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ASTM A240/A240M S44725 vs ASTM A276/A276M S44627

Close Alternative — 70.5% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44725 (ASTM A240/A240M:2025) and ASTM A276/A276M S44627 (ASTM A276/A276M:2017) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44725 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A276/A276M S44627 is commonly used for stainless steel bars and shapes (hot-finished or cold-finished). ASTM A240/A240M S44725 is defined under ASTM International, originating from United States, while ASTM A276/A276M S44627 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S44725 vs ASTM A276/A276M S44627 is a 68.2% match. As per mechanical properties, the match is 75%. Combined, this makes them a close alternative overall at 70.5%.

Frequently Compared With ASTM A240/A240M S44725:
ASTM A959 26-3-3 ASTM A959 29-4 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
68.2%
MECHANICAL MATCH
75%
OVERALL
70.5%
Specifications
Property ASTM A240/A240M S44725 ASTM A276/A276M S44627
Standard ASTM A240/A240M:2025 ASTM A276/A276M:2017
Category Stainless Steel Stainless Steel
C (%) <=0.015 <=0.010
Mn (%) <=0.40 <=0.40
P (%) <=0.040 <=0.020
S (%) <=0.020 <=0.020
Si (%) <=0.040 <=0.40
Cr (%) 25.0-28.5 25.0-27.5
Ni (%) <=0.30 <=0.50
Mo (%) 1.5-2.5 0.75-1.50
N (%) <=0.018 <=0.015
Cu (%) Not specified <=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 ASTM A240/A240M S44725 ASTM A276/A276M S44627
Tensile Strength >=450 MPa >=450 MPa
Yield Strength >=275 MPa >=275 MPa
Elongation >=20% >=20%
Hardness <=210 HB <=219 HB
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 S44725
Pressure vessels and general applications (plate, sheet and strip)
ASTM A276/A276M S44627
Stainless steel bars and shapes (hot-finished or cold-finished)
Key Differences
Can ASTM A240/A240M S44725 Be Substituted With ASTM A276/A276M S44627?
ASTM A240/A240M S44725 and ASTM A276/A276M S44627 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 S44725
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ASTM A276/A276M S44627
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S44725 and ASTM A276/A276M S44627?
ASTM A276/A276M S44627 specifies Cu, Nb which are not specified for ASTM A240/A240M S44725.
Can ASTM A240/A240M S44725 be substituted with ASTM A276/A276M S44627?
ASTM A240/A240M S44725 and ASTM A276/A276M S44627 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.