IS 6603:2024 X02Cr22Ni5Mo3N Steel: Specifications & Listings
IS 6603:2024 X02Cr22Ni5Mo3N: X02Cr22Ni5Mo3N: austenitic-ferritic (duplex) corrosion resisting stainless steel, numerical symbol 2205. Specified in IS 6603:2024.
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
<=0.030
<=1.00
<=2.00
<=0.035
<=0.015
21.0-23.0
2.5-3.5
4.5-6.5
0.10-0.22
Mechanical Properties
Tensile Strength
>=650 MPa
Yield Strength
>=450 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 diameter1 size range
Thickness or diameter (mm)
Hardness HB (guidance)
Rp0.2 min (MPa)
Rm min (MPa)
A min (%)
KV2 min (J)
up to 160
290
450
650
25
100
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 annealed5 rows
Thickness or diameter (mm)
Rp0.2 min (MPa)
Rm (MPa)
A5 min (%)
KV2 min (J)
up to 10
650
850 to 1150
12
-
over 10 to 16
650
850 to 1100
12
-
over 16 to 40
450
650 to 1000
15
100
over 40 to 63
450
650 to 1000
15
100
over 63 to 160
450
650 to 880
25
100
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 temperature4 temperatures
Temperature (deg C)
Rp0.2 min (MPa)
100
360
150
335
200
315
250
300
Minimum values, solution annealed (+AT); for guidance only.
Source: IS 6603:2024, Table 11
Hot forming and solution annealingguideline temperatures
Hot forming temperature
1200 to 950 deg C
Cooling after hot forming
air
Heat treatment symbol
+AT
Solution annealing temperature
1020 to 1100 deg C
Cooling after solution annealing
water, air
Informative guideline (Annex A).
Source: IS 6603:2024, Table 21
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