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ASTM A240/A240M S34751 vs ASTM A276/A276M S30453

Close Alternative — 82.8% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S34751 (ASTM A240/A240M:2025) and ASTM A276/A276M S30453 (ASTM A276/A276M:2017) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S34751 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A276/A276M S30453 is commonly used for stainless steel bars and shapes (hot-finished or cold-finished). ASTM A240/A240M S34751 is defined under ASTM International, originating from United States, while ASTM A276/A276M S30453 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S34751 vs ASTM A276/A276M S30453 is a 74.2% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 82.8%.

Frequently Compared With ASTM A240/A240M S34751:
EN 10088-1 1.4845 GOST 5632 08X18H10 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28
Match Breakdown
CHEMISTRY MATCH
74.2%
MECHANICAL MATCH
100%
OVERALL
82.8%
Specifications
Property ASTM A240/A240M S34751 ASTM A276/A276M S30453
Standard ASTM A240/A240M:2025 ASTM A276/A276M:2017
Category Stainless Steel Stainless Steel
C (%) 0.005-0.020 <=0.030
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 17.0-19.0 18.0-20.0
Ni (%) 9.0-13.0 8.0-11.0
N (%) 0.06-0.10 0.10-0.16
Nb (%) 0.20-0.50 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 S34751 ASTM A276/A276M S30453
Tensile Strength >=515 MPa >=515 MPa
Yield Strength >=205 MPa >=205 MPa
Elongation >=40% >=40%
Hardness <=201 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Condition A (Annealed), hot-finished, all sizes (first row printed)
Typical Applications
ASTM A240/A240M S34751
Pressure vessels and general applications (plate, sheet and strip)
ASTM A276/A276M S30453
Stainless steel bars and shapes (hot-finished or cold-finished)
Key Differences
Can ASTM A240/A240M S34751 Be Substituted With ASTM A276/A276M S30453?
ASTM A240/A240M S34751 and ASTM A276/A276M S30453 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 A240/A240M S34751
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ASTM A276/A276M S30453
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S34751 and ASTM A276/A276M S30453?
ASTM A240/A240M S34751 specifies Nb which is not specified for ASTM A276/A276M S30453.
Can ASTM A240/A240M S34751 be substituted with ASTM A276/A276M S30453?
ASTM A240/A240M S34751 and ASTM A276/A276M S30453 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.