Table Of Contentइंटरनेट मानक
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in order to promote transparency and accountability in the working of every public authority,
and whereas the attached publication of the Bureau of Indian Standards is of particular interest
to the public, particularly disadvantaged communities and those engaged in the pursuit of
education and knowledge, the attached public safety standard is made available to promote the
timely dissemination of this information in an accurate manner to the public.
“जान1 का अ+धकार, जी1 का अ+धकार” “प0रा1 को छोड न’ 5 तरफ”
Mazdoor Kisan Shakti Sangathan Jawaharlal Nehru
“The Right to Information, The Right to Live” “Step Out From the Old to the New”
IS 6911 (1992): Stainless steel plate, sheet and strip [MTD
16: Alloy Steels and Forgings]
“!ान $ एक न’ भारत का +नम-ण”
Satyanarayan Gangaram Pitroda
““IInnvveenntt aa NNeeww IInnddiiaa UUssiinngg KKnnoowwlleeddggee””
“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता हहहहै””ै”
Bhartṛhari—Nītiśatakam
“Knowledge is such a treasure which cannot be stolen”
IS 6911 : 1992
(Reaffirmed 1998)
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Indian Standard
STAINLESS STEEL PLATE, SHEET AND STRIP
SPECIFICATION
(First Revision)
Third Reprint SEPTEMBER 2001
(Incorporating AmendmentNo.1)
UDC 669.14.018.8.41
<0 BIS 1997
BUREAU OF INDIAN STANDARDS
MANAK BHAVAN, 9 B AHADUR SHAH ZAFAR MARG
NEW DELHI 110002
December 1992 Price Group ()
Alloy Steels and Special Steels Sectional Committee, MTD 16
FOREWORD
This Indian Standard (First Revision) w&\~ adopted by the Bureau of Indian Standards, after the
draft finalized by the Alloy Steels and Special Steels Sectional Committee had been approved by the
Metallurgical EDlIineerio& Division Council.
This standard was first published in 1972. The main modifications made iu this revision are as follows:
a) Hardness values have been added in Rockwell scale along withBrinell scale;
b) Iior tensile strength requirements minimum values have been specified;
c) Only one set ofpercentageelongation values have been given bydifferent ranges ofthicknesses;
d) Erichsen cupping values have been given separately for feritic and austenitic stainless' steels;
e) Surfacefinish 'has been included; and
f) Steel designation based on numerical symbol in line with AISI have been given.
I'his standard keeps in view the manufacturing and trade practices followed in the country in thisfield.
Assistance has also been derived from the following in the formulation of this standard:
ISO/683/13: 1986 Heat treatable steels, alloy steels and free-cutting steels - Part 13 Wrought
stainless steels. International Organization for Standardization.
BS 1449:Part 2 : 1983Steel plate, sheet and strip, Part 4·Stainless and heat-resisting plate, sheet
and strip. British Standards Institution.
AISI Steel Products Manual.' Stainless and heat-resisting steels. American Iron and Steel
Institute.
This standard contains clauses which call for an agreement between the purchaser and the suppuer.
Such clauses are 4.2, 5.2, 5.3,6.1,.8.1, 8.2, 9.0, 9.1.2, 10.3, 11.1, 13.1, 14.1, 14.3, 16.1, 18.1 and.ZO.l.
For the purpose ofdeciding wh-ethera particular requirement ofthisstandard..is complied with,·the final
value, observed or calculated, expressingthe result ofa test or analysis, shall be rounded off H1 accor
dance. with IS!: 1960-Rules-for rounding offnumerical values (revised)'. The number of significant
places retained in the rounded off value should be the same as that of the specified value in this
standard.
IS 691-1 : 1992
Indian Standard
STAINLESS STEEL PLATE, SHEET AND STRIP
SPECIFICATION
( First Revision)
1 SCOPE f) Finish ( in case of ground/polished or any
other special finish to specify whether
1.1 Thisstandard covers the requirements for
finish is requiredon one or bothsurfaces):
stainless and commonly used heat-resisting steel
plate, sheetand strip. g) Method ofmanufacture, ifany specified;
h) Edge condition;
1.2 The requirements of stainless steel sheets
j) lest and test reports;
and strips, for the manufacture of utensils have
been covered in IS 5522 ( under revision ). k) Any other special requirements including
end use; and
1 REFERENCES
In) Specific marking and packing require-
2.1 The Indian Standards listed in Annex A are ments, ifany.
necessary adjuncts to this standard.
5 ·MANUFACTURE
3 TERMINOLOGY
5.1 Unless otherwise agreed in order, the pro
3.1 For the purpose ofthis standard, the defini cesses used in making the steel and the product
tions given in IS 1956 (Part 4 ) : 1975 shall areleft to the discretion ofthe manufacturer.
apply. When so desired, the purchaser shall be inform
ed ofthe steel making process.
4 SUPPLY OF MATERIAL
5.2 Unless otherwise agreed to between the
4.1 General requirements relating to the supply
purchaser and the supplier and stated' in the
ofmaterial shall be in accordance with IS 8910 :
order, material shall be supplied with trimmed
1978.
edges. Material with mill edge may be accepted
4.2 Steels covered by the standard shall be with mutual agreement between the purchaser
ordered and delivered on the basis ofthe follow and the supplier.
ing:
6 )f'REEDOM FROM DEFECTS
a) Chemical composition;
6.1 The material shall be of uniform quality
b) Chemical composition, and hardness and/ consistent with the good manufacturing and
or bend test in the annealed condition; inspection practices. The steel shall not have
c) Chemical composition, hardness, tensile defects ofa nature or degree that will be detri
and bend test (when applicable) in the mental to the intended end usc.
annealed condition; and Material may be supplied in ground condition
d) Chemical composition and mechanical ( ground to remove surface defects) on mutua1
properties in any other condition as agreement between the purchaser and the
agreed to between the purchaser and the supplier provided that the thickness at any
supplier. point does not reduce below allowable thickness
tolerances for the ordered thicknes..
4.3 Information to be Given by the Purchaser
7 CHEMICAL COMPOSITION
4.3.1 Basisfor Order
7.1 Ladle Analysis
While placing an order for the purchase of
material covered by this standard, the purchaser The chemical composition of the steel as deter
sbould specify the following: mined on- the ladle sample for each cast shall
a) Designation ofsteel; conform to the requirementsofTable 1(see a/so
Note ).
b) Form ( plate, sheet or strip );
The analysis of the steel shall be carried out
c) Quantity (mass or number );
according to IS 228 and its relevant parts or
d) Nominal dimensions - thickness, width any other established instrumental/chemical
and length ( for cut lengths ); method. In case ofdispute the procedure given
e) Condition ( hotrolled, cold rolled,anneal in IS 228 and its.relevant parts shall be referee
ed orany other treatment ); method.
1
I)I...IlIA...!
0
Otlaen (11) 0'10-0'3 OS-O-20
Al NO'
PMax (10) 0'040 0°040 0·040 0'040 0·040 0'040 0'045 0'045 0'045 0'045 0'045 0'045 0'045 O'04S
x
SAVa (9) 0'030 0'030 0'030 0'030 0'030 0'030 0'030 0'030 0'030 0'030 0'030 0'030 0'030 0'03
x
o a
M 8) M
(
5
7
0'
oaitio. 2) Cr (7) 11'5·13'5 16'0-18'0 11'~13'S 12·0-14'0 12'0·14·0 12'0-14'0 IS'0-17'0 16'0-18'0 16'0-18'0 16'0-18'0 17'0-19'0 16'0-18'0 17'0-19-0 17·-"201)
p
aicalCoa 1t111tl7. Ni (6) O'SOMGX 1'0Max Max1'0 MaxJ'O Max1'0 1'2S·2'SO O'SOMGX 3'5·5'5 3'S·S·S 4'0-6'0 6°o-a'O S'o-IO'O I-o-Ie-O
Clll "'.
Uiel (Cl" Ma (5) Max1'0 1'0Max Max1'0 Max1'0 Max1°0 1'0Max l'OMGX 1·0Mllx 4'().8'0 10'0-14'0 8'0-10'0 2°0Max 2'OM8% 2'OMG%
T
X
81 MII (4) 1'0 1'0 1'0 1'0 1'0 1·0 1·0 1'0 1'0 1'0 ro 1'0 1'0 1°0
C (3) O'08MG.I 0'12Max 0'08-0'15 0'16-0'25 0'26-0'35 0'35-0'45 0'10-0'20 0'95·1'20 Max0'20 0'12M"x 0-15Mu O'I'MG% MIUO'IS O'DlNu
. -~NumericalSymbolISS (2) 405 430 410 42081 42082 42053 431 440 201 201A 202 301 302 304S1
.
.
. 0
. 2
.A N 4
c.....DeI•LetterSymbolISJ762(He(PartJ») (1) Fnrjt'cS,.II X04Cr12 X07er17MS,.,lIJ1""i'l X12Crl2 X2OCr13 X3OCr13 X4OCr13 X15Crl6Ni2 X108Cr17Mo ~ad'feS.." X10Cr17MD6Ni4 X07CrI1MD12Ni X10Cr18MD9Ni5 XJOCrI7Ni7 X07Cr18Ni9 X94Cr19Ni9
N
51..! i
) ) ot
N N D
+ + all
MI.·'(C MClx-o'80 sMI..(C MGx-o'S Mill-JOC Max-l"O atsband
Ti Ti Ti Ti Nb Nb be
e
h
t
I
D
O'04S 0'045 0'045 O'04S O'04S O"04S 0'045 O'04S finishi
f
o
e
0'030 0'030 0'030 0"030 0'030 0'030 0'030 0'030 purpos
he ~
t ~dm
--- 2'0-3'0 2'0-3'0 20-3'0 herthanfor -Steels Withspecifiemolybdenu 0-10 0"20 0'70
S·Q.12'O17'5-20'0 Jl'0-15'022'0-25'0 18'0-21'0~4'O-26'0 10'0-14'016"0·18'0 10'0-14'016'0-18'0 10'0-14'016'0-18'0 17'0-19'09'0·12'0 17'0-19'09'0·12'0 xceptwhenaddedtoot Limit',--Percent,Max-.A.Austeniticitic..A.Withoutspecifiedmolybdenum 0'10 0'20 0·70 O'SO
Max2'0 MlIz2'0 :!'OMax Max2'0 2'OMG% Max2'0 Max2'0 2'OMa% othesteele ---------FerricandMartensSteels 0"30 0'30
t c
d
e
d
d
a
1'0MDx MaxI'S 2'5Max Max1'0 Max1'0 1'0Max Max1'0 Max1'0 1shallnotbe Constituent Titanium Niobium Molybdenum Copper
e
Q'03 0'20 0'25 0'03 0'08 0'08 0'08 0'08 Tabl
n
i
d
e
82 L Ti cifi
304 309 3JO 316 316 316 321 347 spemits:
notli
g
Ti entswin
2 2 2 mo
02Cr19NilO 15Cr24Ni13 2OCr2SNi20 04CrI7Ni12Mo ~iI2Mo02C&i7.. 04Cr17Ni12Mo 04Cr18NilOTi 04CrI8NilONb NOTE-Elefollexceedthe
X X X X X X X X
w
IS6911 : 1991
7.1 Product ADalysls Table 2 Permissible VariatioD Between
Specified Analysis aDd Product Analysis
In case of product analysis, the permissible
variation from the limits specified in Table 1 ( Clause 7.2)
shall be as given in Table 2.
8 HEAT TREATMENT Element Limit.ofLadle AD8.,sll81 Penal.llble
Shown InTable1, Percent Detlatl.·
8.1 Unless otherwise mutually agreed to be ,-------""--- ~ Percent
tween the purchaserand the supplier, the auste Over Up toand
Including
nitic stainless steels shall be supplied in solution
annealed and descaled condition. C 0'030 + 0·005
0'030 0'20 ±0'01
8.1 Tne ferritic and martensitic stainless steels 0'20 0'60 :1:0"02
shall be supplied in annealed and descaled
0'60 ]'20 ±O'O3
condition unless otherwise agreed between' the
Si J'0 +OOS
purchaser and the supplier.
)'0-2'5 ± 0'10
Martensitic stainless steels can subsequently be Mn J'0 + 0~03
heat treated for use in hardened and tempered 1'0 3"0 ± 0'04
condition. 3"0 6'0 ±0'05
8.3 The recommended beat treatment for steels 6'0 10'0 :i:0'06
covered in this standard are liven in Table 3. 10'0 14'0 ±O'10
AI 0'30 ±O'O5
9 SAMPLING Cr 10'0 15 ± 0'15
lS'O 20 ±0'20
9.0 Unless otherwise agreed between the pur
20'0 30 :1:0'25
chaser and the supplier. the sampling shall be as
follows. Mo 0'60 + 0·03
0"60 J'75 ± 0'05
9.1 Chemical ADalysls
)'75 3"0 ±O'JO
9.1.1 Ladle analysis shall be supplied by the Ni 1'0 + 0·03
supplier. 1'0 S'O ±O·O7
5'0 10'0 ±O'10
9.1.1 Ifthe product analysis is required by the
JO"O 200 :J:0·15
purchaser, the sampling procedure for the
20'0 30'0 ±O'20
product analysis shallbe agreed to between the
purchaserand the supplier. N 0'15 0'25 + 0'02
Ti J"0 ± 0'05
9.1 Sampll.1 for MecbaDical Tests Nb 1'2 ± 0"05
In case ofmaterialannealed in coil form through S 0'040 + 0'005
continuous annealing lines, atleast one sample 0"04 0"20 +0'01
shall be taken from each end ofthe coil for 0'20 0"50 +0'01
carrying out tests. Hardness test is to be carried P 0'040 +0'005
out on samples collected from both ends. 0'040 0'060 +0·010
Atleast one tensile testandone bend test ( when
required ) shall becarried out for each coil. In ·The use of'+,.means that in one cast thedeviation
case, there is a difference in hardness by more nlSY occuroverthe upper valueor under the lower
value of the specified range in the table but not
than 5 HRB between samples collected at both bothat the same time.
ends, tensile properties shall be determined on
both the samples.
10.2 Hardoess Test
In case of material annealed in pieces, one
tensile test, one bend test ( when required) and The hardness test shall be carried out in accor
one or more hardness tests shall be carried out dance with IS 1500 : 1983, IS 1501 (Part t ) :
on each 100or less number of pieces of the 1984, IS 1586 : 1988or IS 5072 : 1988.
same cast and same nominal thickness annealed
as a lot or annealed continuously. 10.3 Bend test, if required, shall be carried cut
in accordance with IS 1599 : 1985.
10 MECHANICALPROPERTJES
10.3.1 Bend test piece shall be cut so that the
10.1 TeasileTest
axis of the bend is parallel to the direction of
The tensiletest shall be carried out in accor rolling, that is, the longer axis ofthe test piece
dance with IS 1663: 1972and IS 1608 : 197 2. shall be at 90 deg to the direction ofrolling,
4
IS '911 : 1991
The test piece shall be bent cold through 180 treatments are liven in Table s.
del around a mandrel with diameter Dma as
liven in Table 4. The test piece shall be deemed 10.5 If agreed between the purchaser and the
supplier matenal can be supplied in cold rolled
to have passed the test, if the outer convex
surface i.free from cracks. .( work hardened) condition with higher
strength and hardness characteristics.
10.4 The material supplied in annealed condi
Mechanical propertiesfor certain work harden
tion and tested as per 10.1 shall conform to the
ed austenitic grades of stainless steels shall be
requirements ofTable 4.
in accordance with Table 6 or any other value
Indicative hardness values for martensitic stain mutuallyagreed between the purchaser and the
less steels (cutlery steels) a:ter suitable heat supplier.
Table 3 Recommended HeatTreatment for StainlessSteels
( Clause 8.3 )
GradeDeslgnatioD Symbols· ABnealinl Quenching Symbols· HardentDi Queneblna Tempering
~-------~------~ orSoftening Mediat for Tempera. Mediatfor Tempera-
Letter SymboI Numerical Tempera- Ahnealin~ tare QaeDcblnK ture
[seeIS 1762 Symbol ture or Sol'teD- ~C
(Part1)J ISS °c ing
PerritlcSttels
X04Cr12 405 A 750 to 800 t.a
X07Crl7 430 A 7S0to 8S0 a, W
MQrt~"$;ticSt~e',
T:
X 12Cr12 410 Al 700to 780 a Q + 950to 1000 O,a 700to7S0
A2 770to 870 f
X2OCr13 42081 A 770to 870 f Q+T 980to 1030 0,a 6S0 to 770
soc-u
X 42082 A 770to870 f Q + TJ 980to I 030 o,a 630 to 700
Q + T2§ 980to 1030 o, a 100to 2S0
X40Cr13 42083 A 770to 870 f Q +T 1000to 1OSO o,a 100to250
X ISCrl6Ni2 431 A 7S0 to 800 a Q+T 980to 1030 0, a 630to 700
620 to 610 a
X J08Cr17Mo 440 780to 880 f Q+T J000to J030 100to250
AusteniticSteels
X IOCrl7Mn6Ni4N20 201 S I 000to 1120 w,o,a
X 10Cr17Ni7 301 S 1000 to 1120 W, 0, a
X07Cr18Ni9 302 S 1000to 1120 w,o.a
X04Crl9Ni9 30481 S 1000to 1J20 w,o.a
X02Cr19Nil0 30482 8 1000to 1120 W,O,ll
X04Cr17Nil2M02 3J6 S 1000to J120 w,o~a
XOZCr17Ni12Mo2 316L S 1000to 1120 w.o.a
X04Cr17Ni12Mo2Ti 316 T2 S 1000to 1120 W,O, a
X04Crl8NilOTi 321 S 1000to 1120 w, 0, a
X 04CrI8NiIONb 347 8 I000to 1120 w,o,a
• A - aDnealiol.Q - quenching, T - tempering, and S == softening.
t f - furnace, a - air, 0 - oil, and w=- water.
~ Applicablefor the propertiesliveD in Table 4.
§ AppJicable for thepropertiesliven in Table5.
