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ASTM A959 S43940 vs IS 6603 X02Cr18TiNb

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

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

As per chemical composition, ASTM A959 S43940 vs IS 6603 X02Cr18TiNb 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 ASTM A959 S43940:
EN 10088-1 1.4006 ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
94.7%
MECHANICAL MATCH
No shared data
OVERALL
94.7%
Specifications
Property ASTM A959 S43940 IS 6603 X02Cr18TiNb
Standard ASTM A959:2011 IS 6603:2024
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Cr (%) 17.5-18.5 17.5-18.5
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.015 <=0.015
Si (%) <=1.00 <=1.00
Ti (%) 0.10-0.60 0.10-0.60
Nb (%) Not specified <=1.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 S43940 IS 6603 X02Cr18TiNb
Tensile Strength Not specified >=420 MPa
Yield Strength Not specified >=200 MPa
Elongation Not specified >=28%
Hardness Not specified <=200 HB
Condition Not specified Annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 50 mm; Tensile Strength is a minimum as printed
Typical Applications
ASTM A959 S43940
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
IS 6603 X02Cr18TiNb
General purposes, semi-finished products, bars, wire rods and bright bars
Key Differences
Can ASTM A959 S43940 Be Substituted With IS 6603 X02Cr18TiNb?
ASTM A959 S43940 and IS 6603 X02Cr18TiNb overlap closely enough on chemistry and mechanical properties that IS 6603 X02Cr18TiNb is often considered as a substitute for ASTM A959 S43940 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A959 S43940
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IS 6603 X02Cr18TiNb
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Frequently Asked Questions
What is the difference between ASTM A959 S43940 and IS 6603 X02Cr18TiNb?
IS 6603 X02Cr18TiNb specifies Nb which is not specified for ASTM A959 S43940.
Can ASTM A959 S43940 be substituted with IS 6603 X02Cr18TiNb?
ASTM A959 S43940 and IS 6603 X02Cr18TiNb overlap closely enough on chemistry and mechanical properties that IS 6603 X02Cr18TiNb is often considered as a substitute for ASTM A959 S43940 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.