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ASTM A240/A240M S44627 vs JIS G4304 SUS447J1

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

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

As per chemical composition, ASTM A240/A240M S44627 vs JIS G4304 SUS447J1 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 ASTM A240/A240M S44627:
ASTM A959 29-4 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH ASTM A959 29-4-2 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
76.9%
MECHANICAL MATCH
50%
OVERALL
67.9%
Specifications
Property ASTM A240/A240M S44627 JIS G4304 SUS447J1
Standard ASTM A240/A240M:2025 JIS G4304:2021
Category Stainless Steel Stainless Steel
C (%) <=0.010 <=0.010
Mn (%) <=0.40 <=0.40
P (%) <=0.020 <=0.030
S (%) <=0.020 <=0.020
Si (%) <=0.40 <=0.40
Cr (%) 25.0-27.5 28.50-32.00
Ni (%) <=0.50 <=0.50
Mo (%) 0.75-1.50 1.50-2.50
N (%) <=0.015 <=0.015
Cu (%) <=0.20 <=0.20
Nb (%) 0.05-0.20 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M S44627 JIS G4304 SUS447J1
Tensile Strength >=450 MPa >=450 MPa
Yield Strength >=275 MPa >=295 MPa
Elongation >=22% >=22%
Hardness <=187 HB <=207 HB
Condition Plate, sheet and strip; yield by 0.2 percent offset Annealed plate and strip; proof strength applies only when specified by the purchaser
Typical Applications
ASTM A240/A240M S44627
Pressure vessels and general applications (plate, sheet and strip)
JIS G4304 SUS447J1
Hot-rolled stainless steel plates and strips
Key Differences
Can ASTM A240/A240M S44627 Be Substituted With JIS G4304 SUS447J1?
ASTM A240/A240M S44627 and JIS G4304 SUS447J1 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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ASTM A240/A240M S44627
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JIS G4304 SUS447J1
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S44627 and JIS G4304 SUS447J1?
ASTM A240/A240M S44627 specifies Nb which is not specified for JIS G4304 SUS447J1.
Can ASTM A240/A240M S44627 be substituted with JIS G4304 SUS447J1?
ASTM A240/A240M S44627 and JIS G4304 SUS447J1 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.