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JIS G4304 SUS430LX vs ASTM A240/A240M S43035

Close Alternative — 76.2% match based on chemical composition and mechanical property overlap.

JIS G4304 SUS430LX (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 SUS430LX 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 SUS430LX 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 SUS430LX vs ASTM A240/A240M S43035 is a 89.4% match. As per mechanical properties, the match is 50%. Combined, this makes them a close alternative overall at 76.2%.

Frequently Compared With JIS G4304 SUS430LX:
ASTM A959 .- IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 201L 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
89.4%
MECHANICAL MATCH
50%
OVERALL
76.2%
Specifications
Property JIS G4304 SUS430LX ASTM A240/A240M S43035
Standard JIS G4304:2021 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Si (%) <=0.75 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 16.00-19.00 17.0-19.0
Ni (%) <=0.60 <=0.50
Ti (%) 0.10-1.00 <=1.10
N (%) Not specified <=0.030
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 SUS430LX ASTM A240/A240M S43035
Tensile Strength >=360 MPa >=415 MPa
Yield Strength >=175 MPa >=205 MPa
Elongation >=22% >=22%
Hardness <=183 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 SUS430LX
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 SUS430LX Be Substituted With ASTM A240/A240M S43035?
JIS G4304 SUS430LX 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 SUS430LX
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ASTM A240/A240M S43035
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Frequently Asked Questions
What is the difference between JIS G4304 SUS430LX and ASTM A240/A240M S43035?
ASTM A240/A240M S43035 specifies N, Al which are not specified for JIS G4304 SUS430LX.
Can JIS G4304 SUS430LX be substituted with ASTM A240/A240M S43035?
JIS G4304 SUS430LX 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.