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JIS G4304 SUS329J3L vs ASTM A959 S31803

Strong Match — 95.6% match based on chemical composition and mechanical property overlap.

JIS G4304 SUS329J3L (JIS G4304:2021) and ASTM A959 S31803 (ASTM A959:2011) 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 A959 S31803 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). JIS G4304 SUS329J3L is defined under Japanese Industrial Standards (JIS), originating from Japan, while ASTM A959 S31803 is defined under ASTM International, originating from United States.

As per chemical composition, JIS G4304 SUS329J3L vs ASTM A959 S31803 is a 95.6% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 95.6%.

Frequently Compared With JIS G4304 SUS329J3L:
ASTM A959 2205 ASTM A959 255 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
95.6%
MECHANICAL MATCH
No shared data
OVERALL
95.6%
Specifications
Property JIS G4304 SUS329J3L ASTM A959 S31803
Standard JIS G4304:2021 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Mn (%) <=2.00 <=2.00
P (%) <=0.040 <=0.030
S (%) <=0.030 <=0.020
Ni (%) 4.50-6.50 4.5-6.5
Cr (%) 21.00-24.00 21.0-23.0
Mo (%) 2.50-3.50 2.5-3.5
N (%) 0.08-0.20 0.08-0.20
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 A959 S31803
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 SUS329J3L
Hot-rolled stainless steel plates and strips
ASTM A959 S31803
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can JIS G4304 SUS329J3L Be Substituted With ASTM A959 S31803?
JIS G4304 SUS329J3L and ASTM A959 S31803 overlap closely enough on chemistry and mechanical properties that ASTM A959 S31803 is often considered as a substitute for JIS G4304 SUS329J3L in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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JIS G4304 SUS329J3L
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ASTM A959 S31803
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Frequently Asked Questions
What is the difference between JIS G4304 SUS329J3L and ASTM A959 S31803?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4304 SUS329J3L be substituted with ASTM A959 S31803?
JIS G4304 SUS329J3L and ASTM A959 S31803 overlap closely enough on chemistry and mechanical properties that ASTM A959 S31803 is often considered as a substitute for JIS G4304 SUS329J3L in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.