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JIS G4304 SUS447J1 vs ASTM A240/A240M S44627

Related Material — 67.9% match based on chemical composition and mechanical property overlap.

JIS G4304 SUS447J1 (JIS G4304:2021) and ASTM A240/A240M S44627 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. JIS G4304 SUS447J1 is typically used for hot-rolled stainless steel plates and strips, while ASTM A240/A240M S44627 is commonly used for pressure vessels and general applications (plate, sheet and strip). JIS G4304 SUS447J1 is defined under Japanese Industrial Standards (JIS), originating from Japan, while ASTM A240/A240M S44627 is defined under ASTM International, originating from United States.

As per chemical composition, JIS G4304 SUS447J1 vs ASTM A240/A240M S44627 is a 76.9% match. As per mechanical properties, the match is 50%. Combined, this makes them a related material overall at 67.9%.

Frequently Compared With JIS G4304 SUS447J1:
ASTM A959 29-4-2 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 29-4
Other Stainless Steel Grades to Compare With JIS G4304 SUS447J1:
ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
76.9%
MECHANICAL MATCH
50%
OVERALL
67.9%
Specifications
Property JIS G4304 SUS447J1 ASTM A240/A240M S44627
Standard JIS G4304:2021 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.010 <=0.010
Si (%) <=0.40 <=0.40
Mn (%) <=0.40 <=0.40
P (%) <=0.030 <=0.020
S (%) <=0.020 <=0.020
Cr (%) 28.50-32.00 25.0-27.5
Mo (%) 1.50-2.50 0.75-1.50
N (%) <=0.015 <=0.015
Ni (%) <=0.50 <=0.50
Cu (%) <=0.20 <=0.20
Nb (%) Not specified 0.05-0.20
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 SUS447J1 ASTM A240/A240M S44627
Tensile Strength >=450 MPa >=450 MPa
Yield Strength >=295 MPa >=275 MPa
Elongation >=22% >=22%
Hardness <=207 HB <=187 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 SUS447J1
Hot-rolled stainless steel plates and strips
ASTM A240/A240M S44627
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can JIS G4304 SUS447J1 Be Substituted With ASTM A240/A240M S44627?
JIS G4304 SUS447J1 and ASTM A240/A240M S44627 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
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Frequently Asked Questions
What is the difference between JIS G4304 SUS447J1 and ASTM A240/A240M S44627?
ASTM A240/A240M S44627 specifies Nb which is not specified for JIS G4304 SUS447J1.
Can JIS G4304 SUS447J1 be substituted with ASTM A240/A240M S44627?
JIS G4304 SUS447J1 and ASTM A240/A240M S44627 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.