Post Stock Login Register

JIS G4304 SUS440A vs ASTM A959 S44025

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

JIS G4304 SUS440A (JIS G4304:2021) and ASTM A959 S44025 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. JIS G4304 SUS440A is typically used for hot-rolled stainless steel plates and strips, while ASTM A959 S44025 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). JIS G4304 SUS440A is defined under Japanese Industrial Standards (JIS), originating from Japan, while ASTM A959 S44025 is defined under ASTM International, originating from United States.

As per chemical composition, JIS G4304 SUS440A vs ASTM A959 S44025 is a 77.1% 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 JIS G4304 SUS440A:
GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Other Stainless Steel Grades to Compare With JIS G4304 SUS440A:
ASTM A959 .- EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
77.1%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property JIS G4304 SUS440A ASTM A959 S44025
Standard JIS G4304:2021 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.60-0.75 0.95-1.10
Si (%) <=1.00 0.30-1.00
Mn (%) <=1.00 0.30-1.00
P (%) <=0.040 <=0.025
S (%) <=0.030 <=0.025
Cr (%) 16.00-18.00 16.0-18.0
Mo (%) <=0.75 0.40-0.65
Ni (%) <=0.60 <=0.75
Cu (%) Not specified <=0.50
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property JIS G4304 SUS440A ASTM A959 S44025
Tensile Strength >=590 MPa Not specified
Yield Strength >=245 MPa Not specified
Elongation >=15% Not specified
Hardness <=255 HB Not specified
Condition Annealed plate and strip; proof strength applies only when specified by the purchaser Not specified
Typical Applications
JIS G4304 SUS440A
Hot-rolled stainless steel plates and strips
ASTM A959 S44025
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can JIS G4304 SUS440A Be Substituted With ASTM A959 S44025?
JIS G4304 SUS440A and ASTM A959 S44025 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.
On M-EX Right Now
JIS G4304 SUS440A
0 active listings and RFQs →
ASTM A959 S44025
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between JIS G4304 SUS440A and ASTM A959 S44025?
ASTM A959 S44025 specifies Cu which is not specified for JIS G4304 SUS440A.
Can JIS G4304 SUS440A be substituted with ASTM A959 S44025?
JIS G4304 SUS440A and ASTM A959 S44025 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.