Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
IS 6603 X12Cr13S (IS 6603:2024) and ASTM A959 434 (ASTM A959:2011) are both steel grades.
Both fall under the Stainless Steel category.
IS 6603 X12Cr13S is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while ASTM A959 434 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1).
IS 6603 X12Cr13S is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 434 is defined under ASTM International, originating from United States.
As per chemical composition, IS 6603 X12Cr13S vs ASTM A959 434 is a 72.6% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a related material overall at 69.9%.
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 X12Cr13S
ASTM A959 434
Tensile Strength
<=880 MPa
Not specified
Hardness
<=262 HB
Not specified
Condition
Soft annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, all sizes; hardness as printed
Not specified
Typical Applications
IS 6603 X12Cr13S
General purposes, semi-finished products, bars, wire rods and bright bars
ASTM A959 434
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can IS 6603 X12Cr13S Be Substituted With ASTM A959 434?
IS 6603 X12Cr13S and ASTM A959 434 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between IS 6603 X12Cr13S and ASTM A959 434?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 6603 X12Cr13S be substituted with ASTM A959 434?
IS 6603 X12Cr13S and ASTM A959 434 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.