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ASTM A959 444 vs JIS G4305 SUS444

Strong Match — 87.1% match based on chemical composition and mechanical property overlap.

ASTM A959 444 (ASTM A959:2011) and JIS G4305 SUS444 (JIS G4305:2012) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 444 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while JIS G4305 SUS444 is commonly used for cold-rolled stainless steel plates, sheet and strip. ASTM A959 444 is defined under ASTM International, originating from United States, while JIS G4305 SUS444 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, ASTM A959 444 vs JIS G4305 SUS444 is a 87.1% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 87.1%.

Frequently Compared With ASTM A959 444:
EN 10088-1 1.4401 ASTM A959 25-4-4 ASTM A959 26-3-3 ASTM A959 29-4C GOST 5632 08X18H10 EN 10088-1 1.4301 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GOST 5632 06Kh23N28
Match Breakdown
CHEMISTRY MATCH
87.1%
MECHANICAL MATCH
No shared data
OVERALL
87.1%
Specifications
Property ASTM A959 444 JIS G4305 SUS444
Standard ASTM A959:2011 JIS G4305:2012
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.025
Cr (%) 17.5-19.5 17.00-20.00
Mn (%) <=1.00 <=1.00
Mo (%) 1.75-2.50 1.75-2.50
N (%) <=0.035 <=0.025
Ni (%) <=1.00 <=0.60
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Ti (%) Not specified <=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 444 JIS G4305 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 444
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
JIS G4305 SUS444
Cold-rolled stainless steel plates, sheet and strip
Key Differences
Can ASTM A959 444 Be Substituted With JIS G4305 SUS444?
ASTM A959 444 and JIS G4305 SUS444 overlap closely enough on chemistry and mechanical properties that JIS G4305 SUS444 is often considered as a substitute for ASTM A959 444 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A959 444
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Frequently Asked Questions
What is the difference between ASTM A959 444 and JIS G4305 SUS444?
JIS G4305 SUS444 specifies Ti which is not specified for ASTM A959 444.
Can ASTM A959 444 be substituted with JIS G4305 SUS444?
ASTM A959 444 and JIS G4305 SUS444 overlap closely enough on chemistry and mechanical properties that JIS G4305 SUS444 is often considered as a substitute for ASTM A959 444 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.