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AMENDMENT NO. 3 December 2021

TO

IS 6911 : 2017 STAINLESS STEEL PLATE, SHEET

AND STRIP — SPECIFICATION
( Second Revision )

(Amendment No. 2, Page 4, Table 1, Sl No. 9 under Austenitic Steels) —

Insert the following new row after Sl No. 9 and renumber the subsequent serial
numbers:

10 X11Cr19Ni8Mn6 N 202 0.07 0.50 5.0 6.5 17.5 _ 0.01 0.03 0.20 _ _
S1 -0.15 -1.00 -7.5 -8.5 -19.5 5 0 -0.30

(Amendment No. 2, Page 5, Table 1, Sl No. 26, col 13) — Substitute ‘1.5-3.0’
for ‘—’.

(Amendment No. 2, Page 5, Table 1, Sl No. 27, col 12) — Substitute ‘0.10’
for ‘—’.

(Amendment No. 2, Page 5, Table 1, Sl No. 27, col 13) — Substitute ‘1.5-2.5’
for ‘—’.

(Amendment No. 2, Page 8, Table 1, Sl No. 8 under Duplex) — Insert the

following new row after Sl No. 8 and renumber the subsequent serial numbers:

9 X02Cr25Ni6Mo3 WN 2506 0.0 0.9 1.0 5.5 24.0 3.0 0.01 0.04 0.0 _ W
30 0 0 -7.2 - 26.0 -3.5 5 0 8 -0.20 0.05
-0.30

Price Group 1
1
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(Amendment No. 2, Page 8, Table 1) — Delete the entire text and limits of
titanium, niobium, molybdenum and copper given in Table 1.

(Amendment No. 2, Page 8, Table 1) — Insert the following note at the end:
‘NOTE — Incidental element — Elements not quoted in Table 1 shall not be intentionally added
to stainless steel without the agreement of the purchaser, other than for the purpose of finishing
the heat. All reasonable precautions shall be taken to prevent the addition from scrap or other
materials used in manufacture of such elements which affect the hardenability, mechanical
properties and applicability.’

(Amendment No. 2, Page 11, Table 3, Sl No. 9 under Austenitic steels) —

Insert the following new row after Sl No. 9 and renumber the subsequent serial
numbers:

10 X11Cr19Ni8Mn6N 202 SA 1000 to w,a _ _ _ _

S1 1120

(Amendment No. 2, Page 12, Table 3, Sl No. 8 under Duplex) — Insert the
following new row after Sl No. 8 and renumber the subsequent serial numbers:

9 X02Cr25Ni6Mo3WN 2506 SA 1020 to w,a _ _ _ _

1120

(Amendment No. 2, Page 13, Table 4, Sl No. 3 under Martensitic steels,

col 7) — Substitute ‘620’ for ‘620 Max’.

(Amendment No. 2, Page 13, Table 4, Sl No. 3 under Martensitic steels,

col 8) — Substitute ‘795’ for ‘795 Max’.

(Amendment No. 2, Page 14, Table 4, Sl No. 9 under Austenitic steels) —

Insert the following new row after Sl No. 9 and renumber the subsequent serial
numbers:

10 X11Cr19Ni8Mn6N 202 _ _ _ 340 750- 35 Not

S1 950 required

2
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(Amendment No. 2, Page 16, Table 4, Sl No. 8 under Duplex) — Insert

the following new row after Sl No. 8 and renumber the subsequent the serial
numbers:

9 X02Cr25Ni6Mo3WN 2506 293 32HRC 303 450 620 18 Not

required

(Page 9, clause 15.3) — Insert the following new clause after 15.3:

‘15.4 In case of modified texture/ special finishes, as mutually agreed

between supplier and customer, the mechanical properties shall be checked on
the base metal only.’

(Page 12, Table 12) — Substitute the following for the existing table:
Table 12 Permissible Variation in width and Length of
Hot Rolled plate produced by Arc cutting
( Clause 17.1 )
All Dimensions in millimetres

Thickness Tolerance on Width Tolerance on Length

Upto and including 50 +30 +30
-0 -0

(Page 9, clause 17.2) — Insert the following new clause after 17.2:

‘17.3 For specified thicknesses and width other than mentioned in Table 9
to 19, the tolerances shall be supplied on mutual agreement between customer
and manufacturer/ supplier.’

(Page 10, Table 8, col 2) — For mill finishes 0 substitute ‘Hot rolled
and/or annealed’ for ‘Hot rolled, annealed’.

3
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(Page 13, Table 17) — Substitute the following for the existing table:
Table 17 Permissible Variations in Width of Cold Rolled
Strip in Coils and Cut Length
( Clause 17.1 )
All dimensions in millimeters

Sl Thickness Tolerance on Width

No.
<250 250 to 500 to 1 000 to 1 250 to
<500 <1 000 <1 250 ≤ 2 000
(1) (2) (3) (4) (5) (6) (7)
i) Less than 0.6 +0.4,-0 +0.6,-0 +1.0,-0 +2.0,-0 +2.0,-0
ii) From 0.6 to less than 1.00 +0.5,-0 +0.6,0 +1.0,0 +2.0,-0 +2.0,-0
iii) From 1.00 to less than 1.50 +0.6,-0 +0.8,0 +1.2,-0 +2.4,-0 +2.4,-0
iv) From 1.50 to less than 2.50 +0.8,0 +1.0,0 +1.4,-0 +2.8,-0 +2.8,-0
v) From 2.50 to less than 4.00 +0.8,0 +1.0,0 +1.6,-0 +3.2,-0 +3.2,-0
vi) From 4.00 to less than 5.00 +1.0,0 +1.4,-0 +2.00,-0 +4.0,0 +4.0,0
NOTES:
1 For thicknesses of 5 mm and above, tolerances shall be agreed to between the purchaser and
the manufacturer/seller.
2 Tolerance for the mill edge shall be as agreed to between the purchaser and the manufacturer/
seller.

[Page 14, Table 19, Sl No. (i), Col 2] — Substitute ‘Less than 50’ for ‘Greater
than 50’.

[Page 14, Table 19, Sl No. (ii), Col 2] — Substitute ‘from 50 to less than 250’
for ‘Less than 250’.

(MTD 16)
Publication Unit, BIS, New Delhi, India