Close Alternative — 79.4% match
based on chemical composition and mechanical property overlap.
JIS G4304 SUS821L1 (JIS G4304:2021) and JIS G4304 SUS323L (JIS G4304:2021) are both steel grades.
Both fall under the Stainless Steel category.
JIS G4304 SUS821L1 is typically used for hot-rolled stainless steel plates and strips, while JIS G4304 SUS323L is commonly used for hot-rolled stainless steel plates and strips.
JIS G4304 SUS821L1 is defined under Japanese Industrial Standards (JIS), originating from Japan, while JIS G4304 SUS323L is defined under Japanese Industrial Standards (JIS), originating from Japan.
As per chemical composition, JIS G4304 SUS821L1 vs JIS G4304 SUS323L is a 69.2% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a close alternative overall at 79.4%.
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 SUS821L1
JIS G4304 SUS323L
Tensile Strength
>=600 MPa
>=600 MPa
Yield Strength
>=400 MPa
>=400 MPa
Elongation
>=20%
>=20%
Hardness
<=290 HB
<=290 HB
Condition
Solution heat treated plate and strip, thickness up to 2.0 mm for elongation; proof strength applies only when specified
Solution heat treated plate and strip, thickness up to 2.0 mm for elongation; proof strength applies only when specified
Typical Applications
JIS G4304 SUS821L1
Hot-rolled stainless steel plates and strips
JIS G4304 SUS323L
Hot-rolled stainless steel plates and strips
Can JIS G4304 SUS821L1 Be Substituted With JIS G4304 SUS323L?
JIS G4304 SUS821L1 and JIS G4304 SUS323L 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.
What is the difference between JIS G4304 SUS821L1 and JIS G4304 SUS323L?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can JIS G4304 SUS821L1 be substituted with JIS G4304 SUS323L?
JIS G4304 SUS821L1 and JIS G4304 SUS323L 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.