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IS 6603 X04Cr18Ni12 vs ASTM A959 347

Strong Match — 92% match based on chemical composition and mechanical property overlap.

IS 6603 X04Cr18Ni12 (IS 6603:2024) and ASTM A959 347 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X04Cr18Ni12 is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while ASTM A959 347 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). IS 6603 X04Cr18Ni12 is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 347 is defined under ASTM International, originating from United States.

As per chemical composition, IS 6603 X04Cr18Ni12 vs ASTM A959 347 is a 92% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 92%.

Frequently Compared With IS 6603 X04Cr18Ni12:
GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 ASTM A959 .- 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
92%
MECHANICAL MATCH
No shared data
OVERALL
92%
Specifications
Property IS 6603 X04Cr18Ni12 ASTM A959 347
Standard IS 6603:2024 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.08
Si (%) <=1.00 <=1.00
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Cr (%) 17.0-19.0 17.0-19.0
Ni (%) 10.5-13.0 9.0-12.0
N (%) <=0.10 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 IS 6603 X04Cr18Ni12 ASTM A959 347
Tensile Strength 480-680 MPa Not specified
Yield Strength >=190 MPa Not specified
Elongation >=45% Not specified
Condition Solution annealed, conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal) Not specified
Typical Applications
IS 6603 X04Cr18Ni12
General purposes, semi-finished products, bars, wire rods and bright bars
ASTM A959 347
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 6603 X04Cr18Ni12 Be Substituted With ASTM A959 347?
IS 6603 X04Cr18Ni12 and ASTM A959 347 overlap closely enough on chemistry and mechanical properties that ASTM A959 347 is often considered as a substitute for IS 6603 X04Cr18Ni12 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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IS 6603 X04Cr18Ni12
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ASTM A959 347
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Frequently Asked Questions
What is the difference between IS 6603 X04Cr18Ni12 and ASTM A959 347?
IS 6603 X04Cr18Ni12 specifies N which is not specified for ASTM A959 347.
Can IS 6603 X04Cr18Ni12 be substituted with ASTM A959 347?
IS 6603 X04Cr18Ni12 and ASTM A959 347 overlap closely enough on chemistry and mechanical properties that ASTM A959 347 is often considered as a substitute for IS 6603 X04Cr18Ni12 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.