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JIS G4304 SUS329J3L vs ASTM A240/A240M S32506

Close Alternative — 81.3% match based on chemical composition and mechanical property overlap.

JIS G4304 SUS329J3L (JIS G4304:2021) and ASTM A240/A240M S32506 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. JIS G4304 SUS329J3L is typically used for hot-rolled stainless steel plates and strips, while ASTM A240/A240M S32506 is commonly used for pressure vessels and general applications (plate, sheet and strip). JIS G4304 SUS329J3L is defined under Japanese Industrial Standards (JIS), originating from Japan, while ASTM A240/A240M S32506 is defined under ASTM International, originating from United States.

As per chemical composition, JIS G4304 SUS329J3L vs ASTM A240/A240M S32506 is a 72% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 81.3%.

Frequently Compared With JIS G4304 SUS329J3L:
ASTM A959 255 ASTM A959 2205 ASTM A959 .- 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) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
72%
MECHANICAL MATCH
100%
OVERALL
81.3%
Specifications
Property JIS G4304 SUS329J3L ASTM A240/A240M S32506
Standard JIS G4304:2021 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Si (%) <=1.00 <=0.90
Mn (%) <=2.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.015
Ni (%) 4.50-6.50 5.5-7.2
Cr (%) 21.00-24.00 24.0-26.0
Mo (%) 2.50-3.50 3.0-3.5
N (%) 0.08-0.20 0.08-0.20
W (%) Not specified 0.05-0.30
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 SUS329J3L ASTM A240/A240M S32506
Tensile Strength >=620 MPa >=620 MPa
Yield Strength >=450 MPa >=450 MPa
Elongation >=18% >=18%
Hardness <=302 HB <=302 HB
Condition Solution heat treated plate and strip; proof strength applies only when specified by the purchaser Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
JIS G4304 SUS329J3L
Hot-rolled stainless steel plates and strips
ASTM A240/A240M S32506
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can JIS G4304 SUS329J3L Be Substituted With ASTM A240/A240M S32506?
JIS G4304 SUS329J3L and ASTM A240/A240M S32506 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 SUS329J3L
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ASTM A240/A240M S32506
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Frequently Asked Questions
What is the difference between JIS G4304 SUS329J3L and ASTM A240/A240M S32506?
ASTM A240/A240M S32506 specifies W which is not specified for JIS G4304 SUS329J3L.
Can JIS G4304 SUS329J3L be substituted with ASTM A240/A240M S32506?
JIS G4304 SUS329J3L and ASTM A240/A240M S32506 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.