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ASTM A959 S32001 vs JIS G4304 SUS821L1

Close Alternative — 77.1% match based on chemical composition and mechanical property overlap.

ASTM A959 S32001 (ASTM A959:2011) and JIS G4304 SUS821L1 (JIS G4304:2021) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S32001 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while JIS G4304 SUS821L1 is commonly used for hot-rolled stainless steel plates and strips. ASTM A959 S32001 is defined under ASTM International, originating from United States, while JIS G4304 SUS821L1 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, ASTM A959 S32001 vs JIS G4304 SUS821L1 is a 77.1% 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 77.1%.

Frequently Compared With ASTM A959 S32001:
ASTM A959 2304 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 IS 1570 (Part 7) 12Cr12MoH ASTM A959 26-3-3
Match Breakdown
CHEMISTRY MATCH
77.1%
MECHANICAL MATCH
No shared data
OVERALL
77.1%
Specifications
Property ASTM A959 S32001 JIS G4304 SUS821L1
Standard ASTM A959:2011 JIS G4304:2021
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Cr (%) 19.5-21.5 20.50-21.50
Cu (%) <=1.00 0.50-1.50
Mn (%) 4.0-6.0 2.00-4.00
Mo (%) <=0.60 <=0.60
N (%) 0.05-0.17 0.15-0.20
Ni (%) 1.00-3.00 1.50-2.50
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.020
Si (%) <=1.00 <=0.75
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 S32001 JIS G4304 SUS821L1
Tensile Strength Not specified >=600 MPa
Yield Strength Not specified >=400 MPa
Elongation Not specified >=20%
Hardness Not specified <=290 HB
Condition Not specified Solution heat treated plate and strip, thickness up to 2.0 mm for elongation; proof strength applies only when specified
Typical Applications
ASTM A959 S32001
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
JIS G4304 SUS821L1
Hot-rolled stainless steel plates and strips
Can ASTM A959 S32001 Be Substituted With JIS G4304 SUS821L1?
ASTM A959 S32001 and JIS G4304 SUS821L1 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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ASTM A959 S32001
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JIS G4304 SUS821L1
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Frequently Asked Questions
What is the difference between ASTM A959 S32001 and JIS G4304 SUS821L1?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 S32001 be substituted with JIS G4304 SUS821L1?
ASTM A959 S32001 and JIS G4304 SUS821L1 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.