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Pipe Thickness Tables: Office of Design

This document provides pipe thickness tables for designers, including specifications for nonreinforced circular pipe, reinforced circular pipe, and steel pipe based on AASHTO and ASTM standards. It includes detailed measurements for various pipe sizes and classes, along with notes on special design requirements. The document was originally issued in 2016 and revised in March 2023 to include a new table for steel pipe.

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42 views3 pages

Pipe Thickness Tables: Office of Design

This document provides pipe thickness tables for designers, including specifications for nonreinforced circular pipe, reinforced circular pipe, and steel pipe based on AASHTO and ASTM standards. It includes detailed measurements for various pipe sizes and classes, along with notes on special design requirements. The document was originally issued in 2016 and revised in March 2023 to include a new table for steel pipe.

Uploaded by

sultannesru2030
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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1B-5

Office of Design
Design Manual
Pipe Thickness Tables Chapter 1
General Information
Originally Issued: 09-14-16
Revised: 03-30-23

This section provides pipe thickness tables designers can use for estimation purposes. The values for
concrete pipe are based on the AASHTO specifications in effect at the time of publication of this section.
Refer to DR-202 for concrete arch and elliptical pipe thicknesses.
Table 1: Nonreinforced Circular Pipe
(AASHTO M 86)
inside wall thickness
diameter (inches)
(inches) Class 1 Class 2 Class 3
4 ⅝ ¾ ¾
6 ⅝ ¾ ⅞
8 ¾ ⅞ 1⅛
10 ⅞ 1 1¼
12 1 1⅜ 1¾

Table 2: Reinforced Circular Pipe


Class 1500D to Class 3750D
(ASTM C 76/AASHTO M 170, Wall B)
inside diameter wall thickness
(inches) (inches)
12 2
15 2¼
18 2½
21 2¾
24 3
27 3¼
30 3½
33 3¾
36 4
42 4½
48 5a
54 5½a
60 6a
66 6½a
72 7a
78 7½a,b
84 8a,b
90 8½a,b
96 9a,b
102 9½a,b
108 10a,b
a
3750D Requires special design.
b
3000D Requires special design.

Page 1 of 2
Chapter 1—General Information Section 1B-5—Pipe Thickness Tables

Table 3: Steel Pipe


(Materials IM 440)
nominal diameter nominal thickness
(inches) (inches)
3¾ and under 0.188
14 0.250
16 0.281
18 0.312
20 and 22 0.344
24 0.375
26 0.406
28 0.438
30 0.469
32 0.500
34 and 36 0.531
38 0.562
40 0.594
42 0.626
44 and 46 0.656
48 0.688
50 0.719
52 0.750
54 0.781
56 and 58 0.812
60 0.844
62 0.875
64 0.906
66 and 68 0.938
70 0.969
72 1.000

Page 2 of 2
Chronology of Changes to Design Manual Section:
001B-005 Pipe Thickness Tables
3/30/2023 Revised
Added in table for steel pipe. Changed title.

9/14/2016 NEW
New

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