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JIS G4305 SUS443J1 vs ASTM A959 439

Close Alternative — 78.1% match based on chemical composition and mechanical property overlap.

JIS G4305 SUS443J1 (JIS G4305:2012) and ASTM A959 439 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. JIS G4305 SUS443J1 is typically used for cold-rolled stainless steel plates, sheet and strip, while ASTM A959 439 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). JIS G4305 SUS443J1 is defined under Japanese Industrial Standards (JIS), originating from Japan, while ASTM A959 439 is defined under ASTM International, originating from United States.

As per chemical composition, JIS G4305 SUS443J1 vs ASTM A959 439 is a 78.1% 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 78.1%.

Frequently Compared With JIS G4305 SUS443J1:
ASTM A959 .- IS 1570 (Part 7) 11Cr17Ni13W3TiH 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) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
78.1%
MECHANICAL MATCH
No shared data
OVERALL
78.1%
Specifications
Property JIS G4305 SUS443J1 ASTM A959 439
Standard JIS G4305:2012 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.030
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 20.00-23.00 17.0-19.0
N (%) <=0.025 <=0.030
Ni (%) <=0.60 <=0.50
Cu (%) 0.30-0.80 Not specified
Ti (%) <=0.80 Not specified
Al (%) Not specified <=0.15
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 SUS443J1 ASTM A959 439
Tensile Strength >=390 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=22% Not specified
Hardness <=192 HB Not specified
Condition Annealed plate and strip; proof strength applies only when specified by the purchaser Not specified
Typical Applications
JIS G4305 SUS443J1
Cold-rolled stainless steel plates, sheet and strip
ASTM A959 439
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can JIS G4305 SUS443J1 Be Substituted With ASTM A959 439?
JIS G4305 SUS443J1 and ASTM A959 439 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 SUS443J1
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ASTM A959 439
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Frequently Asked Questions
What is the difference between JIS G4305 SUS443J1 and ASTM A959 439?
JIS G4305 SUS443J1 specifies Cu, Ti which are not specified for ASTM A959 439. ASTM A959 439 specifies Al which is not specified for JIS G4305 SUS443J1.
Can JIS G4305 SUS443J1 be substituted with ASTM A959 439?
JIS G4305 SUS443J1 and ASTM A959 439 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.