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JIS G4304 SUS329J4L vs ASTM A959 25-4-4

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

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

As per chemical composition, JIS G4304 SUS329J4L vs ASTM A959 25-4-4 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 JIS G4304 SUS329J4L:
ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845
Match Breakdown
CHEMISTRY MATCH
71.1%
MECHANICAL MATCH
No shared data
OVERALL
71.1%
Specifications
Property JIS G4304 SUS329J4L ASTM A959 25-4-4
Standard JIS G4304:2021 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.025
Si (%) <=1.00 <=0.75
Mn (%) <=1.50 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Ni (%) 5.50-7.50 3.5-4.5
Cr (%) 24.00-26.00 24.5-26.0
Mo (%) 2.50-3.50 3.5-4.5
N (%) 0.08-0.30 <=0.035
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 SUS329J4L ASTM A959 25-4-4
Tensile Strength >=620 MPa Not specified
Yield Strength >=450 MPa Not specified
Elongation >=18% Not specified
Hardness <=302 HB Not specified
Condition Solution heat treated plate and strip; proof strength applies only when specified by the purchaser Not specified
Typical Applications
JIS G4304 SUS329J4L
Hot-rolled stainless steel plates and strips
ASTM A959 25-4-4
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can JIS G4304 SUS329J4L Be Substituted With ASTM A959 25-4-4?
JIS G4304 SUS329J4L and ASTM A959 25-4-4 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 G4304 SUS329J4L
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ASTM A959 25-4-4
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Frequently Asked Questions
What is the difference between JIS G4304 SUS329J4L and ASTM A959 25-4-4?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4304 SUS329J4L be substituted with ASTM A959 25-4-4?
JIS G4304 SUS329J4L and ASTM A959 25-4-4 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.