IS 6603:2024 X04Cr12Nb Steel: Specifications & Listings

IS 6603:2024 X04Cr12Nb: X04Cr12Nb: ferritic corrosion resisting stainless steel, numerical symbol 409Nb. Specified in IS 6603:2024.

Category: Stainless Steel
Grade Details
GradeIS 6603:2024 X04Cr12Nb
Standard IS 6603:2024
ApplicationsGeneral purposes, semi-finished products, bars, wire rods and bright bars
Grade ComparisonCompare With a Specific Grade →
Grade Standard Match
BS 970 (Part 1) 416S41 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 3) 416S41 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 416S41 BS 970 (Part 1):1983 Close Alternative
BS 970 (Part 1) 416S21 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 1) 416S29 BS 970 (Part 1):1991 Close Alternative
BS 970 (Part 3) 416S21 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 3) 416S29 BS 970 (Part 3):1991 Close Alternative
BS 970 (Part 1) 416S21 BS 970 (Part 1):1983 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 Cu Nb
<=0.08 <=1.00 <=0.80 <=0.04 <=0.03 10.5-13.5 <=0.50 <=0.60 <=0.75 <=0.75
Mechanical Properties
Tensile Strength >=380 MPa
Yield Strength >=170 MPa
Elongation >=20%
Hardness <=179 HB
Condition Annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 100 mm; Tensile Strength is a minimum as printed

More data from IS 6603:2024

From the standard
Mechanical properties by thickness or diameter 1 size range
Thickness or diameter (mm)Hardness HBRp0.2 min (MPa)Rm min (MPa)A min (%)
up to 10017917038020
Annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D; for larger thicknesses the values have to be agreed.
Source: IS 6603:2024, Table 7
Bright bars, annealed 1 rows
Thickness or diameter (mm)Rp0.2 min (MPa)Rm (MPa)A5 min (%)
all sizes14041520
Bright bars, conditions 2H, 2B, 2G or 2P; A5 valid for 5 mm and above.
Source: IS 6603:2024, Table 17

Active IS 6603:2024 X04Cr12Nb Listings on M-EX (For Sale)

+ Create a Listing for this grade

No active IS 6603:2024 X04Cr12Nb listings at this time.

Register for Alerts

Buyer RFQs for IS 6603:2024 X04Cr12Nb

+ Post an RFQ for this grade

No open buyer requirements for IS 6603:2024 X04Cr12Nb at this time.

Register for Alerts