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IS 6603 X03Cr13Ni4Mo vs ASTM A959 25-4-4

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

IS 6603 X03Cr13Ni4Mo (IS 6603:2024) and ASTM A959 25-4-4 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. IS 6603 X03Cr13Ni4Mo is typically used for general purposes, semi-finished products, bars, wire rods and bright bars, while ASTM A959 25-4-4 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). IS 6603 X03Cr13Ni4Mo is defined under Bureau of Indian Standards (IS), originating from India, while ASTM A959 25-4-4 is defined under ASTM International, originating from United States.

As per chemical composition, IS 6603 X03Cr13Ni4Mo vs ASTM A959 25-4-4 is a 73% 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%.

Frequently Compared With IS 6603 X03Cr13Ni4Mo:
GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH GOST 5632 08X18H10 ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
73%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property IS 6603 X03Cr13Ni4Mo ASTM A959 25-4-4
Standard IS 6603:2024 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.05 <=0.025
Si (%) <=0.70 <=0.75
Mn (%) 0.50-1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.015 <=0.030
Cr (%) 12.0-14.0 24.5-26.0
Mo (%) 0.30-1.00 3.5-4.5
Ni (%) 3.5-4.5 3.5-4.5
N (%) Not specified <=0.035
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 X03Cr13Ni4Mo ASTM A959 25-4-4
Tensile Strength <=1100 MPa Not specified
Hardness <=320 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 X03Cr13Ni4Mo
General purposes, semi-finished products, bars, wire rods and bright bars
ASTM A959 25-4-4
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can IS 6603 X03Cr13Ni4Mo Be Substituted With ASTM A959 25-4-4?
IS 6603 X03Cr13Ni4Mo and ASTM A959 25-4-4 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.
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IS 6603 X03Cr13Ni4Mo
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ASTM A959 25-4-4
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Frequently Asked Questions
What is the difference between IS 6603 X03Cr13Ni4Mo and ASTM A959 25-4-4?
ASTM A959 25-4-4 specifies N which is not specified for IS 6603 X03Cr13Ni4Mo.
Can IS 6603 X03Cr13Ni4Mo be substituted with ASTM A959 25-4-4?
IS 6603 X03Cr13Ni4Mo and ASTM A959 25-4-4 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.