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JIS G4305 SUS631 vs ASTM A959 301

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

JIS G4305 SUS631 (JIS G4305:2012) and ASTM A959 301 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. JIS G4305 SUS631 is typically used for cold-rolled stainless steel plates, sheet and strip, while ASTM A959 301 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). JIS G4305 SUS631 is defined under Japanese Industrial Standards (JIS), originating from Japan, while ASTM A959 301 is defined under ASTM International, originating from United States.

As per chemical composition, JIS G4305 SUS631 vs ASTM A959 301 is a 84.9% 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 JIS G4305 SUS631:
ASTM A959 .- 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
Match Breakdown
CHEMISTRY MATCH
84.9%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property JIS G4305 SUS631 ASTM A959 301
Standard JIS G4305:2012 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.09 <=0.15
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=2.00
P (%) <=0.040 <=0.045
S (%) <=0.030 <=0.030
Ni (%) 6.50-7.75 6.0-8.0
Cr (%) 16.00-18.00 16.0-18.0
Al (%) 0.75-1.50 Not specified
N (%) Not specified <=0.10
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4305 SUS631 ASTM A959 301
Tensile Strength <=1030 MPa Not specified
Yield Strength <=380 MPa Not specified
Hardness <=192 HB Not specified
Condition Solution heat treated plate and strip; proof strength applies only when specified by the purchaser Not specified
Typical Applications
JIS G4305 SUS631
Cold-rolled stainless steel plates, sheet and strip
ASTM A959 301
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can JIS G4305 SUS631 Be Substituted With ASTM A959 301?
JIS G4305 SUS631 and ASTM A959 301 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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JIS G4305 SUS631
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Frequently Asked Questions
What is the difference between JIS G4305 SUS631 and ASTM A959 301?
JIS G4305 SUS631 specifies Al which is not specified for ASTM A959 301. ASTM A959 301 specifies N which is not specified for JIS G4305 SUS631.
Can JIS G4305 SUS631 be substituted with ASTM A959 301?
JIS G4305 SUS631 and ASTM A959 301 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.