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JIS G4304 SUS445J1 vs JIS G4305 SUS444

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

JIS G4304 SUS445J1 (JIS G4304:2021) and JIS G4305 SUS444 (JIS G4305:2012) are both steel grades. Both fall under the Stainless Steel category. JIS G4304 SUS445J1 is typically used for hot-rolled stainless steel plates and strips, while JIS G4305 SUS444 is commonly used for cold-rolled stainless steel plates, sheet and strip. JIS G4304 SUS445J1 is defined under Japanese Industrial Standards (JIS), originating from Japan, while JIS G4305 SUS444 is defined under Japanese Industrial Standards (JIS), originating from Japan.

As per chemical composition, JIS G4304 SUS445J1 vs JIS G4305 SUS444 is a 78.1% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 84.9%.

Frequently Compared With JIS G4304 SUS445J1:
IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006
Match Breakdown
CHEMISTRY MATCH
78.1%
MECHANICAL MATCH
100%
OVERALL
84.9%
Specifications
Property JIS G4304 SUS445J1 JIS G4305 SUS444
Standard JIS G4304:2021 JIS G4305:2012
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.025
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 21.00-24.00 17.00-20.00
Mo (%) 0.70-1.50 1.75-2.50
N (%) <=0.025 <=0.025
Ni (%) <=0.60 <=0.60
Ti (%) Not specified <=0.80
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 SUS445J1 JIS G4305 SUS444
Tensile Strength >=410 MPa >=410 MPa
Yield Strength >=245 MPa >=245 MPa
Elongation >=20% >=20%
Hardness <=217 HB <=217 HB
Condition Annealed plate and strip; proof strength applies only when specified by the purchaser Annealed plate and strip; proof strength applies only when specified by the purchaser
Typical Applications
JIS G4304 SUS445J1
Hot-rolled stainless steel plates and strips
JIS G4305 SUS444
Cold-rolled stainless steel plates, sheet and strip
Key Differences
Can JIS G4304 SUS445J1 Be Substituted With JIS G4305 SUS444?
JIS G4304 SUS445J1 and JIS G4305 SUS444 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 G4305 SUS444
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Frequently Asked Questions
What is the difference between JIS G4304 SUS445J1 and JIS G4305 SUS444?
JIS G4305 SUS444 specifies Ti which is not specified for JIS G4304 SUS445J1.
Can JIS G4304 SUS445J1 be substituted with JIS G4305 SUS444?
JIS G4304 SUS445J1 and JIS G4305 SUS444 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.