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ASTM A276/A276M S44627 vs ASTM A240/A240M S44725

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

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

As per chemical composition, ASTM A276/A276M S44627 vs ASTM A240/A240M S44725 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 A276/A276M S44627:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 29-4 ASTM A959 29-4-2 ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
68.2%
MECHANICAL MATCH
75%
OVERALL
70.5%
Specifications
Property ASTM A276/A276M S44627 ASTM A240/A240M S44725
Standard ASTM A276/A276M:2017 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.010 <=0.015
Mn (%) <=0.40 <=0.40
P (%) <=0.020 <=0.040
S (%) <=0.020 <=0.020
Si (%) <=0.40 <=0.040
Cr (%) 25.0-27.5 25.0-28.5
Ni (%) <=0.50 <=0.30
Mo (%) 0.75-1.50 1.5-2.5
N (%) <=0.015 <=0.018
Cu (%) <=0.20 Not specified
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 A276/A276M S44627 ASTM A240/A240M S44725
Tensile Strength >=450 MPa >=450 MPa
Yield Strength >=275 MPa >=275 MPa
Elongation >=20% >=20%
Hardness <=219 HB <=210 HB
Condition Condition A (Annealed), hot-finished, all sizes (first row printed) Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
ASTM A276/A276M S44627
Stainless steel bars and shapes (hot-finished or cold-finished)
ASTM A240/A240M S44725
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can ASTM A276/A276M S44627 Be Substituted With ASTM A240/A240M S44725?
ASTM A276/A276M S44627 and ASTM A240/A240M S44725 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 A276/A276M S44627
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ASTM A240/A240M S44725
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Frequently Asked Questions
What is the difference between ASTM A276/A276M S44627 and ASTM A240/A240M S44725?
ASTM A276/A276M S44627 specifies Cu, Nb which are not specified for ASTM A240/A240M S44725.
Can ASTM A276/A276M S44627 be substituted with ASTM A240/A240M S44725?
ASTM A276/A276M S44627 and ASTM A240/A240M S44725 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.