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JIS G4304 SUS443J1 vs ASTM A240/A240M S43035

Close Alternative — 71.2% match based on chemical composition and mechanical property overlap.

JIS G4304 SUS443J1 (JIS G4304:2021) and ASTM A240/A240M S43035 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. JIS G4304 SUS443J1 is typically used for hot-rolled stainless steel plates and strips, while ASTM A240/A240M S43035 is commonly used for pressure vessels and general applications (plate, sheet and strip). JIS G4304 SUS443J1 is defined under Japanese Industrial Standards (JIS), originating from Japan, while ASTM A240/A240M S43035 is defined under ASTM International, originating from United States.

As per chemical composition, JIS G4304 SUS443J1 vs ASTM A240/A240M S43035 is a 81.8% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 71.2%.

Frequently Compared With JIS G4304 SUS443J1:
ASTM A959 .- EN 10088-1 1.4006 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 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
Match Breakdown
CHEMISTRY MATCH
81.8%
MECHANICAL MATCH
50%
OVERALL
71.2%
Specifications
Property JIS G4304 SUS443J1 ASTM A240/A240M S43035
Standard JIS G4304:2021 ASTM A240/A240M:2025
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 <=1.10
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 G4304 SUS443J1 ASTM A240/A240M S43035
Tensile Strength >=390 MPa >=415 MPa
Yield Strength >=205 MPa >=205 MPa
Elongation >=22% >=22%
Hardness <=192 HB <=183 HB
Condition Annealed 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 SUS443J1
Hot-rolled stainless steel plates and strips
ASTM A240/A240M S43035
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can JIS G4304 SUS443J1 Be Substituted With ASTM A240/A240M S43035?
JIS G4304 SUS443J1 and ASTM A240/A240M S43035 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 SUS443J1
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ASTM A240/A240M S43035
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Frequently Asked Questions
What is the difference between JIS G4304 SUS443J1 and ASTM A240/A240M S43035?
JIS G4304 SUS443J1 specifies Cu which is not specified for ASTM A240/A240M S43035. ASTM A240/A240M S43035 specifies Al which is not specified for JIS G4304 SUS443J1.
Can JIS G4304 SUS443J1 be substituted with ASTM A240/A240M S43035?
JIS G4304 SUS443J1 and ASTM A240/A240M S43035 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.