Designation: B 625 – 99 An American National Standard

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Reprinted from the Annual Book of ASTM Standards. Copyright ASTM

Standard Specification for

UNS N08904, UNS N08925, UNS N08031, UNS N08932,
UNS N08926, and UNS R20033 Plate, Sheet, and Strip1
This standard is issued under the fixed designation B 625; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.

1. Scope 3. Terminology
1.1 This specification covers alloys UNS N08904, UNS 3.1 Definitions of Terms Specific to This Standard:
N08925,* UNS N08031, UNS N08932, UNS N08926, and 3.1.1 plate—material 3⁄16 in. (4.76 mm) and over in thick-
UNS R20033 plate, sheet, and strip in the annealed temper. ness and over 10 in. (254 mm) in width.
1.2 The values stated in inch-pound units are to be regarded 3.1.2 sheet—material under 3⁄16 in. (4.76 mm) in thickness
as the standard. The values given in parentheses are for and 24 in. (609.6 mm) and over in width. Material under 3⁄16in.
information only. (4.75 mm) in thickness and in all widths with No. 4 finish.
1.3 The following safety hazards caveat pertains only to 3.1.3 strip—material under 3⁄16 in. (4.76 mm) in thickness
the test methods portion, Section 12, of this specification: This and under 24 in. (609.6 mm) in width.
standard does not purport to address all of the safety concerns,
if any, associated with its use. It is the responsibility of the user 4. Ordering Information
of this standard to establish appropriate safety and health 4.1 Orders for material under this specification shall include
practices and determine the applicability of regulatory limita- the following information:
tions prior to use. 4.1.1 Quantity (weight or number of pieces),
4.1.2 Alloy name or UNS number,
2. Referenced Documents 4.1.3 Form, plate, sheet or strip,
2.1 ASTM Standards: 4.1.4 Dimensions,
E 8 Test Methods for Tension Testing of Metallic Materials2 4.1.5 Type edge required, for strip only (see 7.4.1),
E 10 Test Method for Brinell Hardness of Metallic Materi- 4.1.6 Finish (Section 8)—For sheet with No. 4 finish,
als2 specify whether one or both sides are to be polished,
E 18 Test Methods for Rockwell Hardness and Rockwell 4.1.7 ASTM designation,
Superficial Hardness of Metallic Materials2 4.1.8 Additions to the specification or special requirements,
E 29 Practice for Using Significant Digits in Test Data to 4.1.9 Certification or test reports—State if certification or
Determine Conformance with Specifications3 test reports are required (Section 15), and
E 38 Methods for Chemical Analysis of Nickel-Chromium 4.1.10 Source inspection—State if inspection is required
and Nickel-Chromium-Iron Alloys4 (Section 13).
E 55 Practice for Sampling Wrought Nonferrous Metals and
Alloys for Determination of Chemical Composition5 5. Chemical Composition
E 140 Hardness Conversion Tables for Metals2 5.1 The material sampled, in accordance with 9.2, shall
E 353 Test Methods for Chemical Analysis of Stainless, conform to the composition limits specified in Table 1.
Heat-Resisting, Maraging, and Other Similar Chromium- 5.2 If a product analysis is subsequently made, the material
Nickel-Iron Alloys5 shall conform to the composition limits with the product
analysis variation specified in Table 2.
1
This specification is under the jurisdiction of ASTM Committee B-2 on 6. Mechanical Properties and Other Requirements
Nonferrous Metals and Alloys and is the direct responsibility of Subcommittee
B02.07 on Refined Nickel and Cobalt and Their Alloys.
6.1 Tensile and Hardness Requirements— The material
Current edition approved May 10, 1999. Published June 1999. Originally shall conform to the mechanical property requirements speci-
published as B 625 – 77. Last previous edition B 625 – 95. fied in Table 3.
* New designation established in accordance with Practice E 527 and SAE
J1086, Practice for Numbering Metals and Alloys (UNS). 7. Dimensions and Permissible Variations
2
Annual Book of ASTM Standards, Vol 03.01.
3
Annual Book of ASTM Standards, Vol 14.02. 7.1 Sheet—The material referred to as sheet shall conform
4
Discontinued—See 1989 Annual Book of ASTM Standards, Vol 03.05.
5
Annual Book of ASTM Standards, Vol 03.05.

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 B 625
TABLE 1 Chemical Requirements
Composition,%
Elements
UNS N08904 UNS N08925 UNS N08932 UNS N08031 UNS N08926 UNS R20033
Carbon, max 0.020 0.020 0.020 0.015 0.020 0.015
Manganese, max 2.00 1.00 2.00 2.0 2.00 2.0
Phosphorus, max 0.045 0.045 0.025 0.020 0.03 0.02
Sulfur, max 0.035 0.030 0.010 0.010 0.01 0.01
Silicon, max 1.00 0.50 0.40 0.3 0.5 0.50
Nickel 23.00–28.00 24.00–26.00 24.0–26.0 30.0–32.0 24.00–26.00 30.0–33.0
Chromium 19.00–23.00 19.00–21.00 24.0–26.0 26.0–28.0 19.00–21.00 31.0–35.0
Molybdenum 4.0–5.0 6.0–7.0 4.5–6.5 6.0–7.0 6.0–7.0 0.50–2.0
Copper 1.0–2.0 0.8–1.5 1.0–2.0 1.0–1.4 0.5–1.5 0.30–1.20
Nitrogen ... 0.10–0.20 0.15–0.25 0.15–0.25 0.15–0.25 0.35–0.60
Iron balance balance balance balance balance balance

TABLE 2 Product Analysis Tolerances 8.1.1.4 No. 4 Finish—General purpose, polished finish.
Tolerances Over the Max Limit or Under the Min Limit, % Following initial grinding with coarser abrasives, sheets are
Elements UNS N08904 generally finished last with abrasives approximately 120 to 150
UNS N08925 UNS N08031 UNS N08926 UNS R20033 mesh. Sheets can be produced with one or two sides polished.
UNS N08932
When polished on one side only, the other side may be rough
Carbon 0.005 0.005 0.005 0.005 ground in order to obtain the necessary flatness.
Manganese 0.04 0.04 0.04 0.04
Phosphorus 0.005 0.005 0.005 0.005 8.1.1.5 Bright Annealed—Bright finish produced by cold
Sulfur 0.005 0.003 0.003 0.003 rolling to thickness, then annealing in a protective atmosphere.
Silicon 0.05 0.03 0.03 0.05 8.1.2 Strip—The type of finish procurable on cold-rolled
Chromium 0.20 0.30 0.25 0.30
Nickel 0.20 0.30 0.25 0.30 strip shall be as follows:
Molybdenum 0.10 0.15 0.15 0.05 8.1.2.1 No. 1 Finish—Cold rolled to specified thickness,
Copper 0.10 0.04 0.04 0.10 annealed, and pickled (see 8.2). Appearance of this finish is a
Nitrogen ... 0.01 0.01 0.03
dull gray.
8.1.2.2 Bright Annealed—Bright finish produced by cold
rolling to thickness, then annealing in a protective atmosphere.
to the variations in dimensions specified in Tables 4-9, inclu-
8.1.3 Plate—The types of finish procurable on plates shall
sive.
be as follows:
7.2 Cold-Rolled Strip—The material referred to as cold-
8.1.3.1 Hot Rolled, Annealed—Scale not removed.
rolled strip shall conform to the permissible variations in
8.1.3.2 Hot Rolled, Annealed, Descaled— Scale removed
dimensions specified in Tables 10-13, inclusive.
by a blast cleaning or pickling operation.
7.3 Plate—The material referred to as plate shall conform to
8.1.3.3 Cold Rolled, Annealed—Scale not removed.
the permissible variations in dimensions specified in Tables
8.1.3.4 Cold Rolled, Annealed, Descaled— Scale removed
14-19, inclusive.
by a blast cleaning or pickling operation.
7.4 Edges for Cold-Rolled Strip:
8.2 Sheet, Strip, and Plate—Material may be ground to
7.4.1 The various types of edges procurable shall be as
remove surface imperfections, provided such grinding does not
follows:
reduce the thickness or width at any point beyond the permis-
7.4.1.1 No. 1 Edge—Rolled edge, contour as specified.
sible variations in dimensions.
7.4.1.2 No. 3 Edge—An edge produced by slitting.
7.4.1.3 No. 5 Edge—Approximately square edge produced
9. Sampling
by rolling or filling, or both, after slitting.
9.1 Lots for Chemical Analysis and Mechanical Testing:
8. Workmanship, Finish, and Appearance 9.1.1 A lot for chemical analysis shall consist of one heat.
8.1 The material shall be free of injurious imperfections and 9.1.2 Plate—A lot of plate for testing and inspection pur-
shall correspond to the designated finish as described below. poses shall consist of the products resulting from the rolling of
8.1.1 Sheet—The various types of finish procurable on sheet one heat of material in the same condition (temper) and
products shall be as follows: specified thickness.
8.1.1.1 No. 1 Finish—Hot rolled, annealed, and descaled; 9.1.3 Sheet and Strip—A lot of sheet or strip for testing and
produced by hot rolling to specified thicknesses followed by inspection purposes shall consist of material from one heat in
annealing and descaling (see 8.2). the same form (sheet or strip), condition (temper), finish, and
8.1.1.2 No. 2D Finish—Dull, cold-rolled finish; produced specified thickness but in no case more than 25 000 lb (11 340
by cold rolling to the specified thickness, annealing, and kg).
descaling. The dull finish results from the descaling and NOTE 1—Where material cannot be identified by heat, a lot shall consist
pickling operations. of not more than 500 lb (227 kg) of material in the same thickness and
8.1.1.3 No. 2B Finish—Bright, cold-rolled finish; produced condition, except that for plates weighing over 500 lb, only one specimen
by giving a final light cold-rolled pass with polished rolls, to a shall be taken.
sheet which has been annealed and descaled. 9.2 Sampling for Chemical Analysis:

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 B 625
TABLE 3 Mechanical Property Requirements
Tensile Strength, min, Yield Strength (0.2 % offset), min, psi Elongation in 2 in. or 50.8 Rockwell Hardness (or
Alloy Form
ksi (MPa) (MPa) mm, or 4D, min, % equivalent)A
UNS N08904 sheet 71 (490) 31 000 (215) 35 70–90 HRB
strip 71 (490) 31 000 (215) 35 70–90 HRB
plate 71 (490) 31 000 (215) 35 70–90 HRB
UNS N08925 sheet 87 (600) 43 000 (295) 40 ...
strip 87 (600) 43 000 (295) 40 ...
plate 87 (600) 43 000 (295) 40 ...
UNS N08932 plate 87 (600) 44 000 (305) 40 ...
UNS N08031 sheet 94 (650) 40 000 (276) 40 ...
strip 94 (650) 40 000 (276) 40 ...
plate 94 (650) 40 000 (276) 40 ...
UNS N08926 sheet 94 (650) 43 000 (295) 35 ...
strip 94 (650) 43 000 (295) 35 ...
plate 94 (650) 43 000 (295) 35 ...
UNS R20033 sheet 109 (750) 55 000 (380) 40 ...
strip 109 (750) 55 000 (380) 40 ...
plate 109 (750) 55 000 (380) 40 ...
A
Hardness values are shown for information only and shall not constitute a basis for acceptance or rejection as long as the other mechanical properties are met.

TABLE 4 Thickness Tolerances for Hot-Rolled and Cold-Rolled Sheets

Specified Thickness,A in. (mm) Tolerance Over and Under, in. (mm)
Over 0.145 (3.68) to less than 3⁄16 (4.76) 0.014 (0.36)
Over 0.130 (3.30) to 0.145 (3.68), incl 0.012 (0.30)
Over 0.114 (2.89) to 0.130 (3.30), incl 0.010 (0.25)
Over 0.098 (2.49) to 0.114 (2.89), incl 0.009 (0.23)
Over 0.083 (2.10) to 0.098 (2.49), incl 0.008 (0.20)
Over 0.072 (1.83) to 0.083 (2.10), incl 0.007 (0.18)
Over 0.058 (1.47) to 0.072 (1.83), incl 0.006 (0.15)
Over 0.040 (1.02) to 0.058 (1.47), incl 0.005 (0.13)
Over 0.026 (0.66) to 0.040 (1.02), incl 0.004 (0.10)
Over 0.016 (0.41) to 0.026 (0.66), incl 0.003 (0.08)
Over 0.007 (0.18) to 0.016 (0.41), incl 0.002 (0.05)
Over 0.005 (0.13) to 0.007 (0.18), incl 0.0015 (0.04)
0.005 (0.13) 0.001 (0.02)
A
Thickness measurements are taken at least 3⁄8 in. (9.5 mm) from the edge of the sheet.

TABLE 5 Width and Length Tolerances for Hot-Rolled and Cold-Rolled Resquared Sheets (Stretcher Levelled Standard of Flatness)A
Tolerance, in. Tolerance, mm
Specified Dimensions
Over Under Over Under
For thicknesses under 0.131 in. (3.33 mm):
Widths up to 48 in. (1.22 m), excl ⁄
1 16 0 1.6 0
Widths 48 in. (1.22 m) and over 18 ⁄ 0 3.2 0
Lengths up to 120 in. (3.05 m), excl ⁄
1 16 0 1.6 0
Lengths 120 in. (3.05 m) and over 18 ⁄ 0 3.2 0
For thicknesses 0.131 in. (3.33 mm) and over:
All widths and lengths 14 ⁄ 0 6.4 0
A
Polished sheets with finishes No. 4 are produced to tolerances given in this table.

9.2.1 A representative sample shall be taken from each heat 10. Number of Tests
during pouring or subsequent processing. 10.1 In the case of sheet or strip supplied in coil form, two
9.2.2 If the manufacturer determines that the material meets or more tension tests (one from each end of each coil) and one
the chemical requirements during pouring or subsequent pro- or more hardness tests shall be made on specimens taken from
cessing, he shall not be required to sample and analyze the each end of the coil. When material is supplied in flat sheet, flat
finished product. strip, or plate, one tension, and one or more hardness tests,
9.2.3 Product analysis, if performed, shall be wholly the shall be made on each 100 or less sheets, strips, or plates of the
responsibility of the purchaser. same lot.
9.3 Sampling for Mechanical Tests: 10.2 If any specimens selected to represent any heat fail to
9.3.1 A sample of the material to provide test specimens for meet any of the test requirements, the material represented by
mechanical tests shall be taken from such a location in each lot such specimens may be reheat-treated and resubmitted for test.
as to be representative of that lot.
9.3.2 When samples are to be taken after delivery, the 11. Specimen Preparation
purchaser of material ordered to cut lengths may request on the 11.1 Tension test specimens from material under 1⁄2 in. (12.7
purchase order additional material of adequate size to provide mm) in thickness shall be of the full thickness of the material
sample coupons for inspection purposes. and machined to the form and dimensions shown for the

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 B 625
TABLE 6 Width, Length, and Camber Tolerances for Hot-Rolled and Cold-Rolled Sheets not Resquared
Width Tolerances
Tolerance for Specified Width
Specified Thickness
24 to 48 in. (0.61 to 1.2 m), excl 48 in. (1.2 m) and over
Less than ⁄ 3 16 in. (4.7 mm) 1⁄16 in. (1.6 mm) 1⁄8in. (3.2 mm)

over, 0 under over, 0 under

Length Tolerances
Tolerance
Specified Length
Over Under
Up to 10 ft (3.0 m), incl 1⁄4 in. (6.4 mm) 0
Over 10 ft (3.0 m) to 20 ft (6.1 m), incl 1⁄2 in. (12.7 mm) 0
Camber TolerancesA
Specified Width Tolerance per Unit Length of
Any 8 ft (2.4 m)
24 in. (0.61 m) to 36 in. (0.9 m), incl 1⁄8 in. (3.17 mm)

Over 36 in. (0.9 m) 3⁄32in. (2.38 mm)

A
Camber is the greatest deviation of a side edge from a straight line, the measurement being taken on the concave side with a straight edge.

TABLE 7 Flatness Tolerances for Hot-Rolled and Cold-Rolled Sheets

Sheets Not Specified to Stretcher Levelled Standard of Flatness (Exclusive of Dead Soft and Deep Drawing Sheets)
Flatness Tolerance (max deviation from a horizontal flat
Specified Thickness Width
surface)
0.062 in. (1.57 mm) and over To 60 in. (1.5 m), incl ⁄
12 in. (12.7 mm)
Over 60 in. (1.5 m) to 72 in. (1.8 m), incl ⁄
34 in. (19.0 mm)
Over 72 in. (1.8 m) 1 in. (25.4 mm)
Under 0.062 in. (1.57 mm) To 36 in. (0.9 m), incl 1⁄2 in. (12.7 mm)
Over 36 in. (0.9 m) to 60 in. (1.5 m), incl 3⁄4 in. (19.0 mm)
Over 60 in. (1.5 m) 1 in. (25.4 mm)
Sheets Specified to Stretcher-Levelled Standard of Flatness
Flatness Tolerance (max deviation
Specified Thickness Width Length
from a horizontal flat surface)
Under ⁄
3 16 in. (4.75 mm) to 48 in. (1.22 m), incl to 96 in. (2.44 m), incl ⁄
18 in. (3.17 mm)
Under ⁄
3 16 in. (4.75 mm) to 48 in. (1.22 m), incl Over 96 in. (2.44 m) ⁄
14 in. (6.35 mm)
Under 3⁄16 in. (4.75 mm) Over 48 in. (1.22 m) to 96 in. (2.44 m), incl 1⁄4 in. (6.35 mm)
Under 3⁄16 in. (4.75 mm) Over 48 in. (1.22 m) Over 96 in. (2.44 m) 1⁄4 in. (6.35 mm)

TABLE 8 Diameter Tolerances for Hot-Rolled and Cold-Rolled Sheets Sheared Circles
Tolerance Over Specified Diameter (No Tolerance Under)
Specified Thickness Diameters Under 30 in. (0.762 m) Diameters 30 to 48 in (0.762 m to 1.219 Diameters Over 48 in. (1.219 m)
m)
0.0972 in. (2.47 mm) and thicker 1⁄8 in. (3.17 mm) 3⁄16 in. (4.76 mm) 1⁄4 in. (6.35 mm)

0.0971 in. (2.47 mm) to 0.0568 in. (1.443 3⁄32 in. (2.38 mm) 5⁄32 in. (3.97 mm) 7⁄32 in. (5.56 mm)

mm), incl
0.0567 in. (1.440 mm) and thinner ⁄ in. (1.59 mm)
1 16 ⁄ in. (3.17 mm)
18 ⁄
3 16 in. (4.75 mm)

TABLE 9 Weight Tolerances for Hot-Rolled and Cold-Rolled 11.3 Tension test specimens shall be taken from material
Sheets after final heat treatment and shall be selected in the transverse
It is not practicable to produce hot-rolled and cold-rolled sheets to exact direction unless prohibited by width.
theoretical weight. Sheets of any one item of a specified thickness and size in
any finish may be overweight to the following extent.
(1) Any item of five sheets or less, or any item estimated to weigh 200 lb 12. Test Methods
(90.7 kg) or less, may actually weigh as much as 10 % over the theoretical 12.1 The chemical composition and mechanical properties
weight.
(2) Any item of more than five sheets and estimated to weigh more than 200 of the material as enumerated in this specification shall, in case
lb (90.7 kg) may actually weigh as much as 7.5 % over the theoretical weight. of disagreement, be determined in accordance with the follow-
The underweight variations for sheets are limited by the under thickness ing methods:
tolerances shown in Table 4.
For determining estimated weights the following factors are used: Test ASTM Designations
41.9 lb/ft2·in. thickness or
19.0 kg/cm2·mm thickness. Chemical Analysis E 38, E 353A,B
Tension E8
Brinell Hardness E 10
sheet-type specimen in Test Methods E 8. Rockwell Hardness E 18
11.2 Tension test specimens from material 1⁄2 in. (12.7 mm) Hardness Conversion E 140
and over shall be of the full thickness of the material, machined Rounding Procedure E 29
Method of Sampling E 55
to the form and dimensions shown for the plate-type specimen A
Iron shall be determined arithmetically by difference.
in Test Methods E 8, or shall be the largest possible round B
Methods E 38 are to be used only for elements not covered by Test Methods
specimen shown in Test Methods E 8. In case of dispute, the E 353.
referee method shall be to use the plate-type specimen. 12.2 For purposes of determining compliance with the

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 B 625
TABLE 10 Thickness Tolerances for Cold-Rolled Strip
Thickness Tolerances for the Thicknesses and Widths Over and Under, in Width, in.
Specified Thickness, in. ⁄ to 1,
34 Over 1 to 3, Over 3 to 6, Over 6 to 9, Over 9 to 12, Over 12 to 16, Over 16 to 20, Over 20 to 24,
incl incl incl incl incl incl incl excl
Thickness Tolerances, in.
Over 0.160 to less than 3⁄16 0.002 0.003 0.004 0.004 0.004 0.005 0.006 0.006
Over 0.099 to 0.160, incl 0.002 0.002 0.003 0.004 0.004 0.004 0.005 0.005
Over 0.068 to 0.099, incl 0.002 0.002 0.003 0.003 0.003 0.004 0.004 0.004
Over 0.049 to 0.068, incl 0.002 0.002 0.003 0.003 0.003 0.003 0.004 0.004
Over 0.039 to 0.049, incl 0.002 0.002 0.0025 0.003 0.003 0.003 0.004 0.004
Over 0.034 to 0.039, incl 0.002 0.002 0.0025 0.003 0.003 0.003 0.003 0.003
Over 0.028 to 0.034, incl 0.0015 0.0015 0.002 0.0025 0.0025 0.0025 0.003 0.003
Over 0.025 to 0.028, incl 0.001 0.0015 0.0015 0.002 0.002 0.002 0.0025 0.003
Over 0.019 to 0.025, incl 0.001 0.001 0.0015 0.002 0.002 0.002 0.0025 0.0025
Over 0.016 to 0.019, incl 0.001 0.001 0.001 0.0015 0.0015 0.002 0.002 0.002
Over 0.012 to 0.016, incl 0.001 0.001 0.001 0.0015 0.0015 0.0015 0.002 0.002
Over 0.011 to 0.012, incl 0.001 0.001 0.001 0.0015 0.0015 0.0015 0.0015 0.0015
Over 0.010 to 0.011, incl 0.001 0.001 0.001 0.001 0.0015 0.0015 0.0015 0.0015
0.010 0.001 0.001 0.001 0.001 0.001 0.001 0.0015 0.0015
Thickness Tolerances for the Thicknesses and Widths Given Over and Under, mm Width, mm
Specified Thickness, mm 19.05 to Over 25.4 to Over 76.2 to Over 152.4 to Over 228.6 to Over 304.8 to Over 406.4 to Over 508.0 to
25.4, incl 76.2, incl 152.4, incl 228.6, incl 304.8, incl 406.4, incl 508.0, incl 609.6, excl
Thickness Tolerance, mm
Over 4.06 to less than 4.76 0.05 0.08 0.10 0.10 0.10 0.13 0.15 0.15
Over 2.51 to 4.06, incl 0.05 0.05 0.08 0.10 0.10 0.10 0.13 0.13
Over 1.73 to 2.51, incl 0.05 0.05 0.08 0.08 0.08 0.10 0.10 0.10
Over 1.24 to 1.73, incl 0.05 0.05 0.08 0.08 0.08 0.08 0.10 0.10
Over 0.99 to 1.24, incl 0.05 0.05 0.06 0.08 0.08 0.08 0.10 0.10
Over 0.86 to 0.99, incl 0.05 0.05 0.06 0.08 0.08 0.08 0.08 0.08
Over 0.71 to 0.86, incl 0.04 0.04 0.05 0.06 0.06 0.06 0.08 0.08
Over 0.64 to 0.71, incl 0.02 0.04 0.04 0.05 0.05 0.05 0.06 0.08
Over 0.48 to 0.64, incl 0.02 0.02 0.04 0.05 0.05 0.05 0.06 0.06
Over 0.41 to 0.48, incl 0.02 0.02 0.02 0.04 0.04 0.05 0.05 0.05
Over 0.30 to 0.41, incl 0.02 0.02 0.02 0.04 0.04 0.04 0.05 0.05
Over 0.28 to 0.30, incl 0.02 0.02 0.02 0.02 0.04 0.04 0.04 0.04
Over 0.25 to 0.28, incl 0.02 0.02 0.02 0.02 0.02 0.04 0.04 0.04
0.25 0.02 0.02 0.02 0.02 0.02 0.02 0.04 0.04

TABLE 11 Crown Tolerances for Cold-Rolled Strip

NOTE 1—Cold-rolled strip may be thicker at the middle than at the edges by the amounts given in this table.
Additional Thickness, at Middle of Strip Over That Shown in Table 10 for Edge Measurement,
for Widths and Thicknesses Given
Specified Thickness Width
Over 5 in. (127 mm) to 12 in. Over 12 in. (304.8 mm) to
To 5 in. (127 mm), incl
(304.8 mm), incl 24 in. (609.6 mm), excl
0.005 in. (0.13 mm) to 0.010 in. (0.25 mm), incl 0.00075 in. 0.001 in. 0.0015 in.
(0.02 mm) (0.02 mm) (0.04 mm)
Over 0.010 in. (0.25 mm) to 0.025 in. (0.64 mm), incl 0.001 in. 0.0015 in. 0.002 in.
(0.02 mm) (0.04 mm) (0.05 mm)
Over 0.025 in. (0.64 mm) to 0.065 in. (1.65 mm), incl 0.0015 in. 0.002 in. 0.0025 in.
(0.04 mm) (0.05 mm) (0.06 mm)
Over 0.065 in. (1.65 mm) to 3⁄16 in. (4.75 mm), excl 0.002 in. 0.0025 in. 0.003 in.
(0.05 mm) (0.06 mm) (0.08 mm)

limits in this specification, an observed value or a calculated set forth in the purchase contract.
value shall be rounded as indicated in accordance with the
rounding method of Practice E 29. 14. Rejection and Rehearing
Requirements Rounded Unit for Observed 14.1 Rejection:
or Calculated Value
Chemical composition hardness and Nearest unit in the last right-hand place 14.1.1 Any rejection based on tests made by the purchaser
tolerance (when expressed in decimals) of figures of the specified limit in accordance with this specification shall be reported to the
Tensile strength and yield strength Nearest 1000 psi (7 MPa)
Elongation Nearest 1
manufacturer. Disposition of rejected material shall be a matter
of agreement between the manufacturer and purchaser.
13. Inspection 14.1.2 Material that shows injurious imperfections subse-
13.1 Inspection of the material by the purchaser shall be quent to its acceptance at the manufacturer’s works may be
made as agreed upon by the purchaser and the manufacturer as rejected and the manufacturer shall be notified. Such rejection

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TABLE 12 Width Tolerances for Cold-Rolled Strip of Edge Numbers 1, 3, and 5
Edge Numbers 1 and 5
Width Tolerance for Thickness and Width Given
Specified Edge No. Width Thickness
Over Under
1 and 5 ⁄
9 32 in. (7.14 mm) and under ⁄
1 16 in. (1.59 mm) and under 0.005 in. 0.005 in.
(0.13 mm) (0.13 mm)
1 and 5 Over 9⁄32 in. (7.14 mm) to 3⁄4 in. (19.050 mm), ⁄
3 32 in. (2.38 mm) and under 0.005 in. 0.005 in.
incl (0.13 mm) (0.13 mm)
1 and 5 Over 3⁄4 in. (19.050 mm) to 5 in. (127.0 mm), ⁄ in. (3.17 mm) and under
18 0.005 in. 0.005 in.
incl (0.13 mm) (0.13 mm)
5 Over 5 in. (127.0 mm) to 9 in. (228.6 mm), ⁄ in. (3.17 mm) to 0.008 in. (0.20 mm), incl
18 0.010 in. 0.010 in.
incl (0.25 mm) (0.25 mm)
5 Over 9 in. (228.6 mm) to 20 in. (508.0 mm), 0.105 in. (2.667 mm) to 0.015 in. (0.381 mm) 0.010 in. 0.010 in.
incl (0.25 mm) (0.25 mm)
5 Over 20 in. (508.0 mm) to 2315⁄16in. (608.0 0.080 in. (2.032 mm) to 0.023 in. (0.584 mm) 0.015 in. 0.015 in.
mm), incl (0.38 mm) (0.38 mm)
Edge Number 3
Width Tolerance for Thickness and Width Given, Over and Under, in.
Specified Thickness, in.
Under 1⁄2 to 3⁄16, incl ⁄ to 6, incl
12 Over 6 to 9, incl Over 9 to 12, incl Over 12 to 20, incl Over 20 to 24, excl
Under 3⁄16 in. to 0.161, incl ... 0.016 0.020 0.020 0.031 0.031
0.16 to 0.100, incl 0.010 0.010 0.016 0.016 0.020 0.020
0.100 to 0.069, incl 0.008 0.008 0.010 0.010 0.016 0.020
0.068 0.005 0.005 0.005 0.010 0.016 0.020
Width Tolerance for Thickness and Width Given, Over and Under, mm
Specified Thickness, mm Under 12.7 to 4.76, 12.7 to 152.4, Over 152.4 to Over 228.6 to Over 304.8 to Over 508.0 to
incl incl 228.6, incl 304.8, incl 508.0, incl 609.6, excl
Under 4.76 to 4.09, incl ... 0.41 0.51 0.51 0.79 0.79
4.09 to 2.54, incl 0.25 0.25 0.41 0.41 0.51 0.51
2.54 to 1.75, incl 0.20 0.20 0.25 0.25 0.41 0.51
1.75 and under 0.13 0.13 0.13 0.25 0.41 0.51

TABLE 13 Length and Camber Tolerances for Cold-Rolled Strip

Length Tolerances
Tolerance, Over Specified Length
Specified Length
(No Tolerance Under)
To 5 ft (1.5 m), incl 3⁄8in. (9.52 mm)

Over 5 ft (1.5 m) to 10 ft (3.0 m), incl 1⁄2 in. (12.70 mm)

Over 10 ft (3.0 m) to 20 ft (6.1 m), incl 5⁄8 in. (15.88 mm)

Camber TolerancesA
Tolerance per Unit Length of Any 8 ft
Specified Width, in. (mm)
(2438 mm), in. (mm)
To 11⁄2(38.1), incl 1⁄2 (12.7)

Over 11⁄2 (38.1) to 24 (609.6), excl 1⁄4 (6.4)

A
Camber is the deviation of a side edge from a straight line, and measurement is taken by placing an 8-ft (2.4-m) straightedge on the concave side and measuring the
greatest distance between the strip edge and the straightedge.

TABLE 14 Thickness Tolerances of Plates

NOTE 1—Thickness is measured along the longitudinal edges of the plate at least 3⁄8 in. (9.53 mm) from the edge.
Width,A in. (m)
Tolerance Over Specified Thickness,B in. (mm)
Specified Thickness, in. (mm)
Over 84 to 120 (2.1 to 3.0), Over 120 to 144 (3.0 to
To 84 (2.1), incl Over 144 (3.7)
incl 3.7), incl
⁄ to 3⁄8(4.76 to 9.52), excl
3 16 0.046 (1.17) 0.050 (1.27) ... ...
3⁄8 to 3⁄4 (9.52 to 19.05), excl 0.054 (1.37) 0.058 (1.47) 0.075 (1.90) 0.090 (2.29)
3⁄4 to 1 (19.05 to 25.40), excl 0.060 (1.52) 0.064 (1.63) 0.083 (2.11) 0.100 (2.54)
1 to 2 (25.40 to 50.80), inclC 0.070 (1.78) 0.074 (1.88) 0.095 (2.41) 0.115 (2.92)
A
For circles the above over-thickness tolerances apply to the diameter of the circle corresponding to the width ranges shown. For plates of irregular shape the above
over-thickness tolerances apply to the greatest width corresponding to the width ranges shown.
B
For plates up to 2 in. (50.8 mm), incl, in thickness, the tolerance under specified thickness is 0.01 in. (0.25 mm).
C
Plates over 2 in. (50.8 mm) thick are produced. Thickness tolerances for such plates are not included.

shall be based only upon inherent imperfections present in the 15. Certification
material as received by the purchaser.
15.1 If required by the purchaser in the contract or order, a
14.2 Rehearing—Samples tested in accordance with this
manufacturer’s certification that the material was manufactured
specification that represent rejected material shall be preserved.
and tested in accordance with this specification shall be
In case of dissatisfaction with the results of the test, the
manufacturer may make claim for a rehearing. furnished at the time of shipment.

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 B 625
TABLE 15 Width and Length Tolerances for Plate

Tolerances Over Specified Width and Length for Given Width,

Length, and Thickness, in.A
Width, in. Length, in. Under 3⁄8 in. in ⁄ to 1⁄2in. incl in
38 Over 1⁄2 in. in
Thickness Thickness Thickness
Width Length Width Length Width Length
48 and under 144 and under 18 ⁄ 3 16⁄ ⁄
3 16 14 ⁄ ⁄
5 16 38 ⁄
Over 48 to 60, incl ⁄
3 16 14 ⁄ 14 ⁄ 5 16⁄ 38 ⁄ ⁄
7 16

Over 60 to 84, incl 14 ⁄ 5 16⁄ ⁄

5 16 38 ⁄ ⁄
7 16 12 ⁄
Over 84 to 108, incl ⁄
5 16 38 ⁄ 38 ⁄ 7 16⁄ ⁄
12 ⁄
9 16

Over 108 38 ⁄ 7 16⁄ ⁄

7 16 12 ⁄ 5⁄8 11 16⁄

48 and under Over 144 to 240 ⁄

3 16 38 ⁄ 14 ⁄ ⁄
12 ⁄
5 16 ⁄
58

Over 48 to 60, incl ⁄

14 7 16⁄ ⁄
5 16 ⁄
58 ⁄
38 ⁄
34

Over 60 to 84, incl 3⁄8 12 ⁄ 7⁄16 11⁄16 1⁄2 3⁄4

Over 84 to 108, incl 7⁄16 9 16⁄ 1⁄2 3⁄4 5⁄8 7⁄8

Over 108 1⁄2 58 ⁄ 5⁄8 7⁄8 11⁄16 1

48 and under Over 240 to 360 14⁄ ⁄ 12 ⁄

5 16 ⁄
58 ⁄
38 ⁄
34

Over 48 to 60, incl ⁄

5 16 ⁄ 58 ⁄
38 ⁄
34 ⁄
12 ⁄
34

Over 60 to 84, incl 7⁄16 11⁄16 1⁄2 3⁄4 5⁄8 7⁄8

Over 84 to 108, incl 9⁄16 3⁄4 5⁄8 7⁄8 3⁄4 1

Over 108 5⁄8 7⁄8 11⁄16 1 7⁄8 1

60 and under Over 360 to 480 ⁄

7 16 11⁄8 ⁄
12 11⁄4 ⁄
58 13⁄8
Over 60 to 84, incl 12 ⁄ 11⁄4 ⁄
58 13⁄8 ⁄
34 11⁄2
Over 84 to 108, incl ⁄
9 16 11⁄4 3⁄4 13⁄8 7⁄8 11⁄2
Over 108 34 ⁄ 13⁄8 7⁄8 11⁄2 1 15⁄8

60 and under Over 480 to 600 ⁄

7 16 11⁄4 ⁄
12 11⁄2 ⁄
58 15⁄8
Over 60 to 84, incl ⁄
12 13⁄8 ⁄
58 11⁄2 ⁄
34 15⁄8
Over 84 to 108, incl 5⁄8 13⁄8 3⁄4 11⁄2 7⁄8 15⁄8
Over 108 3⁄4 11⁄2 7⁄8 15⁄8 1 13⁄4

60 and under Over 600 ⁄

12 13⁄4 ⁄
58 17⁄8 ⁄
34 17⁄8
Over 60 to 84, incl ⁄
58 13⁄4 ⁄
34 17⁄8 ⁄
78 17⁄8
Over 84 to 108, incl 5⁄8 13⁄4 3⁄4 17⁄8 7⁄8 17⁄8
Over 108 7⁄8 13⁄4 1 2 1 ⁄8
1 21⁄4
A
The tolerance under specified width and length is 1⁄4 in. (6.35 mm).

15.2 If required by the purchaser in the contract or order, a name of the manufacturer. When specified, marking shall be by
copy of the test results shall be furnished at the time of die stamping on plates 1⁄4 in. (6.35 mm) or thicker.
shipment.
17. Keywords
16. Product Marking
16.1 Each piece (plate, sheet, strip, or coil) or each con- 17.1 plate; sheet; strip; UNS N08031; UNS N08904; UNS
tainer or bundle (where applicable) shall be marked legibly N08925; UNS N08926; UNS N08932; UNS R20033
with the specification number, grade, heat number, and the

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 B 625
TABLE 15 Width and Length Tolerances for Plate
(continued)

Tolerances Over Specified Width and Length for Given Width,

Length, and Thickness, in.A
Width, in. Length, in. Under 3⁄8 in. in ⁄ to 1⁄2in. incl in
38 Over 1⁄2 in. in
Thickness Thickness ThicknessB
Width Length Width Length Width Length
1.21 and under 3.66 and under 3.2 4.8 4.8 6.4 7.9 9.5
Over 1.21 to 1.52, incl 4.8 6.4 6.4 7.9 9.5 11.1
Over 1.52 to 2.13, incl 6.4 7.9 7.9 9.5 11.1 12.7
Over 2.13 to 2.74, incl 7.9 9.5 9.5 11.1 12.7 14.3
Over 2.74 9.5 11.1 11.1 12.7 15.9 17.5

1.21 and under Over 3.66 to 6.10 4.8 9.5 6.4 12.7 7.9 15.9
Over 1.21 to 1.52, incl 6.4 11.1 7.9 15.9 9.5 19.0
Over 1.52 to 2.13, incl 9.5 12.7 11.1 17.5 12.7 19.0
Over 2.13 to 2.74, incl 11.1 14.3 12.7 19.0 15.9 22.2
Over 2.74 12.7 15.9 15.9 22.2 17.5 25.4

1.21 and under Over 6.10 to 9.14 6.4 12.7 7.9 15.9 9.5 19.0
Over 1.21 to 1.52, incl 7.9 15.9 9.5 19.0 12.7 19.0
Over 1.52 to 2.13, incl 11.1 17.5 12.7 19.0 15.9 22.2
Over 2.13 to 2.74, incl 14.3 19.0 15.9 22.2 19.0 25.4
Over 2.74 15.9 22.2 17.5 25.4 22.2 25.4

1.52 and under 11.1 28.6 12.7 31.8 15.9 34.9

Over 1.52 to 2.13, incl Over 9.14 to 12.19 12.7 31.8 15.9 34.9 19.0 38.1
Over 2.13 to 2.74, incl 14.3 31.8 19.0 34.9 22.2 38.1
Over 2.74 19.0 34.9 22.2 38.1 25.4 41.3

1.52 and under Over 12.19 to 15.24 11.1 31.8 12.7 38.1 15.9 41.3
Over 1.52 to 2.13, incl 12.7 34.9 15.9 38.1 19.0 41.3
Over 2.13 to 2.74, incl 15.9 34.9 19.0 38.1 22.2 41.3
Over 2.74 19.0 38.1 22.2 41.3 25.4 44.4

1.52 and under Over 15.24 12.7 44.4 15.9 47.6 19.0 47.6
Over 1.52 to 2.13, incl 15.9 44.4 19.0 47.6 22.2 47.6
Over 2.13 to 2.74, incl 15.9 44.4 19.0 47.6 22.2 47.6
Over 2.74 22.2 44.4 25.4 50.8 28.6 57.2
A
The tolerance under specified width and length is 1⁄4 in. (6.35 mm).
B
Rectangular plates over 1 in. (25.4 mm) in thickness are not commonly sheared and are machined or otherwise cut to length and width or produced in the size as rolled,
uncropped.

TABLE 16 Camber Tolerance for Plates

Maximum camberA 5 1⁄8 in. (3.2 mm) in any 5 ft (1.5 m)
A
Camber is the deviation of a side edge from a straight line, and measurement is taken by placing a 5-ft (1.5-m) straightedge on the concave side and measuring the
greatest distance between the plate and the straightedge.

TABLE 17 Diameter Tolerances for Circular Plates

Tolerance Over Specified Diameter for Given Diameter and Thickness
(No Tolerance Under), in. (mm)
Specified Diameter, in. (m)
To 3⁄8 (9.5), excl in ⁄ to 5⁄8 (9.5 to 15.9), excl,
38 ⁄ (15.9) and Over in
58

Thickness in Thickness ThicknessA

To 60, (1.5), excl ⁄ (6.4)
14 3⁄8(9.5) 12⁄ (12.7)
60 to 84 (1.5 to 2.1), excl ⁄ (7.9)
5 16 ⁄ (11.1)
7 16 ⁄
9 16 (14.3)
84 to 108 (2.1 to 2.7), excl 3⁄8(9.5) 1⁄2 (12.7) 5⁄8 (15.9)

108 to 130 (2.7 to 3.3), excl 7⁄16(11.1) 9⁄16 (14.3) 11⁄16 (17.5)

A
Circular and sketch plates over 5⁄8 in. (15.9 mm) in thickness are not commonly sheared and are machined or otherwise cut.

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 B 625
TABLE 18 Flatness Tolerances for Annealed Plates

NOTE 1—Tolerances in this table apply to plates up to 15 ft. (4.6 m) in length, or to any 15 ft. (4.6 m) of longer plates.
NOTE 2—If the longer dimension is under 36 in. (0.9 m), the tolerance shall not be greater than 1⁄4in. (6.4 mm).
NOTE 3—The shorter dimension specified is considered the width and the flatness deviation across the width shall not exceed the tabular amount for
that dimension.
NOTE 4—The maximum deviation from a horizontal flat surface shall not exceed the tabular tolerance for the longer dimension specified.
Flatness Tolerance (Deviation from a Horizontal Flat Surface), for Thicknesses and Width Given, in.

Specified Thickness, in. Width, in.

Over 48 to 60 to 72, 72 to 84, 84 to 96, 96 to 108, 108 to 120, 120 to 144,
48 and Under 144 and Over
60, excl excl excl excl excl excl excl
⁄ to 1⁄4, excl
3 16 ⁄
34 11⁄16 11⁄4 13⁄8 15⁄8 15⁄8 17⁄8 2 ...
⁄ to 3⁄8, excl
14 ⁄
11 16 3⁄4 ⁄
15 16 11⁄8 13⁄8 17⁄16 19⁄16 17⁄8 ...
3⁄8to 1⁄2, excl 1⁄2 9⁄16 11⁄16 3⁄4 15⁄16 11⁄8 11⁄4 17⁄16 13⁄4
1⁄2to 3⁄4, excl 1⁄2 9⁄16 5⁄8 5⁄8 13⁄16 11⁄8 11⁄8 11⁄8 13⁄8
3⁄4to 1, excl 1⁄2 9⁄16 5⁄8 5⁄8 3⁄4 13⁄16 15⁄16 1 11⁄8
1 to 11⁄2, excl 1⁄2 9⁄16 9⁄16 9⁄16 11⁄16 11⁄16 11⁄16 3⁄4 1
11⁄2 to 4, excl 3⁄16 5⁄16 3⁄8 7⁄16 1⁄2 9⁄16 5⁄8 3⁄4 7⁄8

4 to 6, excl 1⁄4 3⁄8 1⁄2 9⁄16 5⁄8 3⁄4 7⁄8 1 11⁄8

Flatness Tolerance (Deviation from a Horizontal Flat Surface) for Thicknesses and
Width Given, mm
Specified Thickness, mm Width, m
1.2 and Over 1.2 to 1.5 to 1.8, 1.8 to 2.1, 2.1 to 2.4, 2.4 to 2.7, 2.7 to 3.0, 3.0 to 3.6,
3.6 and Over
Under 1.5, excl excl excl excl excl excl excl
4.8 to 6.4, excl 19.0 27.0 31.8 34.9 41.3 41.3 47.6 50.8 ...
6.4 to 9.5, excl 17.5 19.0 23.8 28.6 34.9 36.5 39.7 47.6 ...
9.5 to 12.7, excl 12.7 14.3 17.5 19.0 23.8 28.6 31.8 36.5 44.4
12.7 to 19.0, excl 12.7 14.3 15.9 15.9 20.6 28.6 28.6 28.6 34.9
19.0 to 25.4, excl 12.7 14.3 15.9 15.9 19.0 20.6 23.8 25.4 28.6
25.4 to 38.1, excl 12.7 14.3 14.3 14.3 17.5 17.5 17.5 19.0 25.4
38.1 to 101.6, excl 4.8 7.9 9.5 11.1 12.7 14.3 15.9 19.0 22.2
101.6 to 152.4, excl 6.4 9.5 12.7 14.3 15.9 19.0 22.2 25.4 28.6

TABLE 19 Recommended Plate Flame-Cutting Allowances to

Clean Up in Machining
Machine Allowance per Edge, in.
Specified Thickness, in. (mm)
(mm)
2 (50.8) and under ⁄ (6.4)
14

Over 2 (50.8) to 3 (76.2), incl 38⁄ (9.5)

Over 3 (76.2) to 6 (152.4), inclA 1⁄2 (12.7)

A
Cutting allowances for plates over 6 in. (152.4 mm) thick are not included
herein.

The American Society for Testing and Materials takes no position respecting the validity of any patent rights asserted in connection
with any item mentioned in this standard. Users of this standard are expressly advised that determination of the validity of any such
patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and
if not revised, either reapproved or withdrawn. Your comments are invited either for revision of this standard or for additional standards
and should be addressed to ASTM Headquarters. Your comments will receive careful consideration at a meeting of the responsible
technical committee, which you may attend. If you feel that your comments have not received a fair hearing you should make your
views known to the ASTM Committee on Standards, 100 Barr Harbor Drive, West Conshohocken, PA 19428.

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