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ASTM A959 S18235 vs JIS G4304 SUS444

Close Alternative — 81.5% match based on chemical composition and mechanical property overlap.

ASTM A959 S18235 (ASTM A959:2011) and JIS G4304 SUS444 (JIS G4304:2021) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S18235 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while JIS G4304 SUS444 is commonly used for hot-rolled stainless steel plates and strips. ASTM A959 S18235 is defined under ASTM International, originating from United States, while JIS G4304 SUS444 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, ASTM A959 S18235 vs JIS G4304 SUS444 is a 81.5% 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 81.5%.

Frequently Compared With ASTM A959 S18235:
GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 29-4C EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
81.5%
MECHANICAL MATCH
No shared data
OVERALL
81.5%
Specifications
Property ASTM A959 S18235 JIS G4304 SUS444
Standard ASTM A959:2011 JIS G4304:2021
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.025
Cr (%) 17.5-18.5 17.00-20.00
Mn (%) <=0.50 <=1.00
Mo (%) 2.00-2.50 1.75-2.50
N (%) <=0.025 <=0.025
Ni (%) <=1.00 <=0.60
P (%) <=0.040 <=0.040
S (%) 0.15-0.35 <=0.030
Si (%) <=1.00 <=1.00
Ti (%) 0.030-1.00 <=0.80
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 S18235 JIS G4304 SUS444
Tensile Strength Not specified >=410 MPa
Yield Strength Not specified >=245 MPa
Elongation Not specified >=20%
Hardness Not specified <=217 HB
Condition Not specified Annealed plate and strip; proof strength applies only when specified by the purchaser
Typical Applications
ASTM A959 S18235
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
JIS G4304 SUS444
Hot-rolled stainless steel plates and strips
Can ASTM A959 S18235 Be Substituted With JIS G4304 SUS444?
ASTM A959 S18235 and JIS G4304 SUS444 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 S18235
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JIS G4304 SUS444
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Frequently Asked Questions
What is the difference between ASTM A959 S18235 and JIS G4304 SUS444?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 S18235 be substituted with JIS G4304 SUS444?
ASTM A959 S18235 and JIS G4304 SUS444 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.