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IS 6911:1992 X02Cr19Ni10 Steel: Specifications & Listings

IS 6911:1992 X02Cr19Ni10: Austenitic stainless steel X02Cr19Ni10 (numerical symbol 304 S2) to IS 6911:1992 (reaffirmed 1998), made as plate, sheet and strip and normally supplied solution annealed and descaled. Minimum tensile strength annealed is 440 MPa with 0.2% proof stress of 180 MPa.

Category: Stainless Steel
Grade Details
GradeIS 6911:1992 X02Cr19Ni10
Standard IS 6911:1992
ApplicationsStainless and heat-resisting steel plate, sheet and strip (clause 1.1)
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
IS 1570 (Part 5) X02Cr19Ni10 IS 1570 (Part 5):1985 India No activity yet
IS 11169 (Part 2) X02Cr19Ni10 IS 11169 (Part 2):1989 India No activity yet
ASTM A959 304L ASTM A959:2011 USA No activity yet
ASTM A959 304LN ASTM A959:2011 USA No activity yet
ASTM A959 304LHN ASTM A959:2011 USA No activity yet
BS 970 (Part 3) 304S11 BS 970 (Part 3):1991 UK No activity yet
IS 6603 X02Cr19Ni10 IS 6603:2024 India No activity yet
EN 10088-1 X2CrNi18-9 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-1 X2CrNiN18-10 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 304L ASTM A959:2011 Strong Match
BS 970 (Part 3) 304S11 BS 970 (Part 3):1991 Strong Match
BS 970 (Part 1) 304S11 BS 970 (Part 1):1983 Strong Match
EN 10088-1 X2CrNi18-9 EN 10088-1:2014 Strong Match
EN 10088-1 X2CrNi18-9 EN 10088-1:2023 Strong Match
ASTM A959 304LN ASTM A959:2011 Strong Match
ASTM A959 304LHN ASTM A959:2011 Strong Match
EN 10088-1 X2CrNi19-11 EN 10088-1:2014 Strong Match
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Chemical Composition (%)
C Cr Mn Ni P S Si
<=0.03 17.5-20.0 <=2.0 8.0-12.0 <=0.045 <=0.030 <=1.0
Mechanical Properties
Bend Test (180 deg) Not required
Elongation (50 mm, annealed) >=40%
Hardness (annealed, max) 192 HBS, 88 HRB
Tensile Strength (annealed) >=440 MPa
Yield Strength (0.2% proof, annealed) >=180 MPa

More data from IS 6911:1992

From the standard
Other composition limits from Table 1 and its note
Steel type
Austenitic
Numerical symbol (ISS)
304 S2
Values
Maximum unless a range is given (ladle analysis)
Element not specified, Titanium, max
0.10
Element not specified, Niobium, max
0.20
Element not specified, Molybdenum, max
0.70
Element not specified, Copper, max
0.50
Elements not listed in Table 1 are not added to the steel except to finish the heat, and then only within the limits shown.
Source: IS 6911:1992, Table 1 and its note
Recommended heat treatment Table 3
TreatmentTemperature (deg C)Cooling medium
Softening (solution annealing), S1 000 to 1 120water or oil or air
Recommended heat treatment (clause 8.3). Austenitic steels are supplied solution annealed and descaled; ferritic and martensitic steels annealed and descaled, unless agreed otherwise.
Source: IS 6911:1992, Table 3

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