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IS 6603:2024 X02Cr21Mn5Ni1N Steel: Specifications & Listings

IS 6603:2024 X02Cr21Mn5Ni1N: X02Cr21Mn5Ni1N: austenitic-ferritic (duplex) corrosion resisting stainless steel, numerical symbol 2101. Specified in IS 6603:2024.

Category: Stainless Steel
Grade Details
GradeIS 6603:2024 X02Cr21Mn5Ni1N
Standard IS 6603:2024
ApplicationsGeneral purposes, semi-finished products, bars, wire rods and bright bars
Equivalent / Similar Grades
Grade Standard Region Live on M-EX
ASTM A959 S32101 ASTM A959:2011 USA No activity yet
EN 10088-1 X2CrMnNiN21-5-1 EN 10088-1:2014 Europe (CEN) No activity yet
EN 10088-3 X2CrMnNiN21-5-1 EN 10088-3:2014 Europe No activity yet
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
EN 10088-1 X2CrMnNiN21-5-1 EN 10088-1:2014 Strong Match
EN 10088-1 X2CrMnNiN21-5-1 EN 10088-1:2023 Strong Match
ASTM A959 S32101 ASTM A959:2011 Strong Match
EN 10088-3 X2CrMnNiN21-5-1 EN 10088-3:2014 Strong Match
ASTM A276/A276M S32101 ASTM A276/A276M:2017 Close Alternative
ASTM A959 S32001 ASTM A959:2011 Close Alternative
EN 10088-1 X2CrMnNiMoN21-5-3 EN 10088-1:2014 Close Alternative
EN 10088-1 X2CrMnNiMoN21-5-3 EN 10088-1:2023 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 Si Mn P S Cr Mo Ni N Cu
<=0.040 <=1.00 4.0-6.0 <=0.040 <=0.015 21.0-22.0 0.10-0.80 1.35-1.90 0.20-0.25 0.10-0.80
Mechanical Properties
Tensile Strength >=650 MPa
Yield Strength >=400 MPa
Elongation >=25%
Hardness <=290 HB
Condition Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Tensile Strength is a minimum as printed, hardness for guidance only

More data from IS 6603:2024

From the standard
Mechanical properties by thickness or diameter 1 size range
Thickness or diameter (mm)Hardness HB (guidance)Rp0.2 min (MPa)Rm min (MPa)A min (%)KV2 min (J)
up to 1602904006502560
Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D; for rods only the tensile strength values apply.
Source: IS 6603:2024, Table 6
Bright bars, solution annealed 4 rows
Thickness or diameter (mm)Rp0.2 min (MPa)Rm (MPa)A5 min (%)KV2 min (J)
up to 10500700 to 105015-
over 10 to 16500700 to 105020-
over 16 to 40500700 to 105020-
over 40 to 160450650 to 8503060
Bright bars, conditions 2H, 2B, 2G or 2P; A5 valid for 5 mm and above.
Source: IS 6603:2024, Table 16
Proof strength at elevated temperature 4 temperatures
Temperature (deg C)Rp0.2 min (MPa)
100365
150325
200295
250275
Minimum values, solution annealed (+AT); for guidance only.
Source: IS 6603:2024, Table 11
Hot forming and solution annealing guideline temperatures
Hot forming temperature
1100 to 900 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
1020 to 1080 deg C
Cooling after solution annealing
water, air
Informative guideline (Annex A).
Source: IS 6603:2024, Table 21

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