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ASTM A959 635 vs IS 6603 X07Cr17Ni7Al

Close Alternative — 81.9% match based on chemical composition and mechanical property overlap.

ASTM A959 635 (ASTM A959:2011) and IS 6603 X07Cr17Ni7Al (IS 6603:2024) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 635 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while IS 6603 X07Cr17Ni7Al is commonly used for general purposes, semi-finished products, bars, wire rods and bright bars. ASTM A959 635 is defined under ASTM International, originating from United States, while IS 6603 X07Cr17Ni7Al is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A959 635 vs IS 6603 X07Cr17Ni7Al is a 81.9% 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 81.9%.

Frequently Compared With ASTM A959 635:
GB/T 3280 06Cr19Ni10 ASTM A959 .- GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 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
81.9%
MECHANICAL MATCH
No shared data
OVERALL
81.9%
Specifications
Property ASTM A959 635 IS 6603 X07Cr17Ni7Al
Standard ASTM A959:2011 IS 6603:2024
Category Stainless Steel Stainless Steel
Al (%) <=0.40 0.70-1.50
C (%) <=0.08 <=0.09
Cr (%) 16.0-17.5 16.0-18.0
Mn (%) <=1.00 <=1.00
Ni (%) 6.0-7.5 6.5-7.8
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=0.70
Ti (%) 0.40-1.20 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 ASTM A959 635 IS 6603 X07Cr17Ni7Al
Tensile Strength Not specified <=850 MPa
Hardness Not specified <=255 HB
Condition Not specified Solution annealed (+AT), conditions 1C, 1E, 1D, 1X, 1G and 2D; hardness as printed
Typical Applications
ASTM A959 635
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
IS 6603 X07Cr17Ni7Al
General purposes, semi-finished products, bars, wire rods and bright bars
Key Differences
Can ASTM A959 635 Be Substituted With IS 6603 X07Cr17Ni7Al?
ASTM A959 635 and IS 6603 X07Cr17Ni7Al 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.
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ASTM A959 635
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IS 6603 X07Cr17Ni7Al
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Frequently Asked Questions
What is the difference between ASTM A959 635 and IS 6603 X07Cr17Ni7Al?
ASTM A959 635 specifies Ti which is not specified for IS 6603 X07Cr17Ni7Al.
Can ASTM A959 635 be substituted with IS 6603 X07Cr17Ni7Al?
ASTM A959 635 and IS 6603 X07Cr17Ni7Al 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.