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IS 6603 X02Cr18TiNb vs ASTM A959 S43940

Strong Match — 94.7% match based on chemical composition and mechanical property overlap.

IS 6603 X02Cr18TiNb (IS 6603:2024) and ASTM A959 S43940 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X02Cr18TiNb is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while ASTM A959 S43940 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). IS 6603 X02Cr18TiNb is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 S43940 is defined under ASTM International, originating from United States.

As per chemical composition, IS 6603 X02Cr18TiNb vs ASTM A959 S43940 is a 94.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 94.7%.

Frequently Compared With IS 6603 X02Cr18TiNb:
ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4301 EN 10088-1 1.4401 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
94.7%
MECHANICAL MATCH
No shared data
OVERALL
94.7%
Specifications
Property IS 6603 X02Cr18TiNb ASTM A959 S43940
Standard IS 6603:2024 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.015 <=0.015
Cr (%) 17.5-18.5 17.5-18.5
Ti (%) 0.10-0.60 0.10-0.60
Nb (%) <=1.00 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property IS 6603 X02Cr18TiNb ASTM A959 S43940
Tensile Strength >=420 MPa Not specified
Yield Strength >=200 MPa Not specified
Elongation >=28% Not specified
Hardness <=200 HB Not specified
Condition Annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 50 mm; Tensile Strength is a minimum as printed Not specified
Typical Applications
IS 6603 X02Cr18TiNb
General purposes, semi-finished products, bars, wire rods and bright bars
ASTM A959 S43940
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 6603 X02Cr18TiNb Be Substituted With ASTM A959 S43940?
IS 6603 X02Cr18TiNb and ASTM A959 S43940 overlap closely enough on chemistry and mechanical properties that ASTM A959 S43940 is often considered as a substitute for IS 6603 X02Cr18TiNb in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
IS 6603 X02Cr18TiNb
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ASTM A959 S43940
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Frequently Asked Questions
What is the difference between IS 6603 X02Cr18TiNb and ASTM A959 S43940?
IS 6603 X02Cr18TiNb specifies Nb which is not specified for ASTM A959 S43940.
Can IS 6603 X02Cr18TiNb be substituted with ASTM A959 S43940?
IS 6603 X02Cr18TiNb and ASTM A959 S43940 overlap closely enough on chemistry and mechanical properties that ASTM A959 S43940 is often considered as a substitute for IS 6603 X02Cr18TiNb in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.