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IS 6603 X17Cr16Ni2 vs ASTM A959 630

Close Alternative — 78.7% match based on chemical composition and mechanical property overlap.

IS 6603 X17Cr16Ni2 (IS 6603:2024) and ASTM A959 630 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X17Cr16Ni2 is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while ASTM A959 630 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). IS 6603 X17Cr16Ni2 is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 630 is defined under ASTM International, originating from United States.

As per chemical composition, IS 6603 X17Cr16Ni2 vs ASTM A959 630 is a 78.7% 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 78.7%.

Frequently Compared With IS 6603 X17Cr16Ni2:
GB/T 3280 06Cr19Ni10 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 ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
78.7%
MECHANICAL MATCH
No shared data
OVERALL
78.7%
Specifications
Property IS 6603 X17Cr16Ni2 ASTM A959 630
Standard IS 6603:2024 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.12-0.22 <=0.07
Si (%) <=1.00 <=1.00
Mn (%) <=1.50 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 15.0-17.0 15.0-17.0
Ni (%) 1.25-2.50 3.0-5.0
Cb (%) Not specified 0.15-0.45
Cu (%) Not specified 3.0-5.0
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 X17Cr16Ni2 ASTM A959 630
Tensile Strength <=950 MPa Not specified
Hardness <=295 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 X17Cr16Ni2
General purposes, semi-finished products, bars, wire rods and bright bars
ASTM A959 630
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 6603 X17Cr16Ni2 Be Substituted With ASTM A959 630?
IS 6603 X17Cr16Ni2 and ASTM A959 630 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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IS 6603 X17Cr16Ni2
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ASTM A959 630
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Frequently Asked Questions
What is the difference between IS 6603 X17Cr16Ni2 and ASTM A959 630?
ASTM A959 630 specifies Cb, Cu which are not specified for IS 6603 X17Cr16Ni2.
Can IS 6603 X17Cr16Ni2 be substituted with ASTM A959 630?
IS 6603 X17Cr16Ni2 and ASTM A959 630 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.