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ASTM A959 420FSe vs IS 6603 X12Cr13S

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

ASTM A959 420FSe (ASTM A959:2011) and IS 6603 X12Cr13S (IS 6603:2024) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 420FSe is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while IS 6603 X12Cr13S is commonly used for general purposes, semi-finished products, bars, wire rods and bright bars. ASTM A959 420FSe is defined under ASTM International, originating from United States, while IS 6603 X12Cr13S is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, ASTM A959 420FSe vs IS 6603 X12Cr13S is a 85.6% 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 84.9%.

Frequently Compared With ASTM A959 420FSe:
EN 10088-1 1.4006 EN 10088-1 1.4401 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr13H GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
85.6%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property ASTM A959 420FSe IS 6603 X12Cr13S
Standard ASTM A959:2011 IS 6603:2024
Category Stainless Steel Stainless Steel
C (%) 0.20-0.40 0.08-0.15
Cr (%) 12.0-14.0 12.0-14.0
Mn (%) <=1.25 <=1.50
Mo (%) <=0.50 <=0.60
P (%) <=0.06 <=0.040
S (%) <=0.06 >=0.15
Se (%) >=0.15 Not specified
Si (%) <=1.00 <=1.00
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 420FSe IS 6603 X12Cr13S
Tensile Strength Not specified <=880 MPa
Hardness Not specified <=262 HB
Condition Not specified Soft annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, all sizes; hardness as printed
Typical Applications
ASTM A959 420FSe
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
IS 6603 X12Cr13S
General purposes, semi-finished products, bars, wire rods and bright bars
Key Differences
Can ASTM A959 420FSe Be Substituted With IS 6603 X12Cr13S?
ASTM A959 420FSe and IS 6603 X12Cr13S 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 420FSe
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IS 6603 X12Cr13S
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Frequently Asked Questions
What is the difference between ASTM A959 420FSe and IS 6603 X12Cr13S?
ASTM A959 420FSe specifies Se which is not specified for IS 6603 X12Cr13S.
Can ASTM A959 420FSe be substituted with IS 6603 X12Cr13S?
ASTM A959 420FSe and IS 6603 X12Cr13S 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.