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IS 6911:1992 X10Cr18Mn9Ni5 Steel: Specifications & Listings

IS 6911:1992 X10Cr18Mn9Ni5: Austenitic stainless steel X10Cr18Mn9Ni5 (numerical symbol 202) to IS 6911:1992 (reaffirmed 1998), made as plate, sheet and strip and normally supplied solution annealed and descaled. Minimum tensile strength annealed is 620 MPa with 0.2% proof stress of 310 MPa.

Category: Stainless Steel
Grade Details
GradeIS 6911:1992 X10Cr18Mn9Ni5
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
ASTM A959 202 ASTM A959:2011 USA No activity yet
EN 10088-1 X12CrMnNiN18-9-5 EN 10088-1:2014 Europe (CEN) No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
ASTM A959 202 ASTM A959:2011 Strong Match
EN 10088-1 X12CrMnNiN18-9-5 EN 10088-1:2014 Strong Match
EN 10088-1 X12CrMnNiN18-9-5 EN 10088-1:2023 Strong Match
ASTM A959 201 ASTM A959:2011 Close Alternative
ASTM A240/A240M S20200 ASTM A240/A240M:2025 Close Alternative
EN 10088-1 X12CrMnNiN17-7-5 EN 10088-1:2014 Close Alternative
EN 10088-1 X12CrMnNiN17-7-5 EN 10088-1:2023 Close Alternative
EN 10088-1 X9CrMnNiCu17-8-5-2 EN 10088-1:2014 Close Alternative
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
<=0.15 17.0-19.0 8.0-10.0 4.0-6.0 <=0.045 <=0.030 <=1.0
Mechanical Properties
Bend Test (180 deg) Not required
Elongation (50 mm, annealed) >=40%
Hardness (annealed, max) 217 HBS, 95 HRB
Tensile Strength (annealed) >=620 MPa
Yield Strength (0.2% proof, annealed) >=310 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)
202
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

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