Close Alternative — 75% match
based on chemical composition and mechanical property overlap.
IS 6911 X30Cr13 (IS 6911:1992) and ASTM A959 431 (ASTM A959:2011) are both steel grades.
Both fall under the Stainless Steel category.
IS 6911 X30Cr13 is typically used for stainless and heat-resisting steel plate, sheet and strip (clause 1.1), while ASTM A959 431 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1).
IS 6911 X30Cr13 is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 431 is defined under ASTM International, originating from United States.
As per chemical composition, IS 6911 X30Cr13 vs ASTM A959 431 is a 75% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a close alternative overall at 75%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 6911 X30Cr13
ASTM A959 431
Elongation (50 mm, annealed)
>=11%
Not specified
Hardness (annealed, max)
235 HBS
Not specified
Hardness (quenched and tempered, min)
500 HV, 49 HRC
Not specified
Tensile Strength (annealed)
>=780 MPa
Not specified
Yield Strength (0.2% proof, annealed)
>=590 MPa
Not specified
Typical Applications
IS 6911 X30Cr13
Stainless and heat-resisting steel plate, sheet and strip (clause 1.1)
ASTM A959 431
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can IS 6911 X30Cr13 Be Substituted With ASTM A959 431?
IS 6911 X30Cr13 and ASTM A959 431 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between IS 6911 X30Cr13 and ASTM A959 431?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 6911 X30Cr13 be substituted with ASTM A959 431?
IS 6911 X30Cr13 and ASTM A959 431 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.