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IS 6603 X14Cr17S vs ASTM A959 434

Close Alternative — 79.7% match based on chemical composition and mechanical property overlap.

IS 6603 X14Cr17S (IS 6603:2024) and ASTM A959 434 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X14Cr17S 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 X14Cr17S 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 X14Cr17S vs ASTM A959 434 is a 79.7% 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 79.7%.

Frequently Compared With IS 6603 X14Cr17S:
ASTM A959 .- EN 10088-1 1.4006 EN 10088-1 1.4301 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
79.7%
MECHANICAL MATCH
No shared data
OVERALL
79.7%
Specifications
Property IS 6603 X14Cr17S ASTM A959 434
Standard IS 6603:2024 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.10-0.17 <=0.12
Si (%) <=1.00 <=1.00
Mn (%) <=1.50 <=1.00
P (%) <=0.040 <=0.040
S (%) >=0.15 <=0.030
Cr (%) 16.0-18.0 16.0-18.0
Mo (%) <=0.60 0.75-1.25
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 X14Cr17S ASTM A959 434
Tensile Strength <=730 MPa Not specified
Hardness <=220 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 X14Cr17S
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 X14Cr17S Be Substituted With ASTM A959 434?
IS 6603 X14Cr17S and ASTM A959 434 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 X14Cr17S
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ASTM A959 434
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Frequently Asked Questions
What is the difference between IS 6603 X14Cr17S 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 X14Cr17S be substituted with ASTM A959 434?
IS 6603 X14Cr17S and ASTM A959 434 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.