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ASTM A959 25-4-4 vs JIS G4304 SUS329J4L

Close Alternative — 71.1% match based on chemical composition and mechanical property overlap.

ASTM A959 25-4-4 (ASTM A959:2011) and JIS G4304 SUS329J4L (JIS G4304:2021) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 25-4-4 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while JIS G4304 SUS329J4L is commonly used for hot-rolled stainless steel plates and strips. ASTM A959 25-4-4 is defined under ASTM International, originating from United States, while JIS G4304 SUS329J4L is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, ASTM A959 25-4-4 vs JIS G4304 SUS329J4L is a 71.1% 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 71.1%.

Frequently Compared With ASTM A959 25-4-4:
ASTM A959 29-4 ASTM A959 2507 ASTM A959 26-3-3 ASTM A959 29-4C ASTM A959 29-4-2 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4401
Match Breakdown
CHEMISTRY MATCH
71.1%
MECHANICAL MATCH
No shared data
OVERALL
71.1%
Specifications
Property ASTM A959 25-4-4 JIS G4304 SUS329J4L
Standard ASTM A959:2011 JIS G4304:2021
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.030
Cr (%) 24.5-26.0 24.00-26.00
Mn (%) <=1.00 <=1.50
Mo (%) 3.5-4.5 2.50-3.50
N (%) <=0.035 0.08-0.30
Ni (%) 3.5-4.5 5.50-7.50
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=0.75 <=1.00
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 25-4-4 JIS G4304 SUS329J4L
Tensile Strength Not specified >=620 MPa
Yield Strength Not specified >=450 MPa
Elongation Not specified >=18%
Hardness Not specified <=302 HB
Condition Not specified Solution heat treated plate and strip; proof strength applies only when specified by the purchaser
Typical Applications
ASTM A959 25-4-4
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
JIS G4304 SUS329J4L
Hot-rolled stainless steel plates and strips
Can ASTM A959 25-4-4 Be Substituted With JIS G4304 SUS329J4L?
ASTM A959 25-4-4 and JIS G4304 SUS329J4L 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 25-4-4
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JIS G4304 SUS329J4L
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Frequently Asked Questions
What is the difference between ASTM A959 25-4-4 and JIS G4304 SUS329J4L?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 25-4-4 be substituted with JIS G4304 SUS329J4L?
ASTM A959 25-4-4 and JIS G4304 SUS329J4L 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.