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ASTM A240/A240M S44800 vs ASTM A276/A276M S44800

Close Alternative — 77.8% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44800 (ASTM A240/A240M:2025) and ASTM A276/A276M S44800 (ASTM A276/A276M:2017) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44800 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A276/A276M S44800 is commonly used for stainless steel bars and shapes (hot-finished or cold-finished). ASTM A240/A240M S44800 is defined under ASTM International, originating from United States, while ASTM A276/A276M S44800 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S44800 vs ASTM A276/A276M S44800 is a 100% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a close alternative overall at 77.8%.

Frequently Compared With ASTM A240/A240M S44800:
ASTM A959 29-4 ASTM A959 29-4-2 ASTM A959 29-4C EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GB/T 3280 06Cr19Ni10
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
33.3%
OVERALL
77.8%
Specifications
Property ASTM A240/A240M S44800 ASTM A276/A276M S44800
Standard ASTM A240/A240M:2025 ASTM A276/A276M:2017
Category Stainless Steel Stainless Steel
C (%) <=0.010 <=0.010
Mn (%) <=0.30 <=0.30
P (%) <=0.025 <=0.025
S (%) <=0.020 <=0.020
Si (%) <=0.20 <=0.20
Cr (%) 28.0-30.0 28.0-30.0
Ni (%) 2.00-2.50 2.00-2.50
Mo (%) 3.5-4.2 3.5-4.2
N (%) <=0.020 <=0.020
Cu (%) <=0.15 <=0.15
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 S44800 ASTM A276/A276M S44800
Tensile Strength >=550 MPa >=480 MPa
Yield Strength >=415 MPa >=380 MPa
Elongation >=20% >=20%
Hardness <=223 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 S44800
Pressure vessels and general applications (plate, sheet and strip)
ASTM A276/A276M S44800
Stainless steel bars and shapes (hot-finished or cold-finished)
Can ASTM A240/A240M S44800 Be Substituted With ASTM A276/A276M S44800?
ASTM A240/A240M S44800 and ASTM A276/A276M S44800 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 S44800
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ASTM A276/A276M S44800
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S44800 and ASTM A276/A276M S44800?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S44800 be substituted with ASTM A276/A276M S44800?
ASTM A240/A240M S44800 and ASTM A276/A276M S44800 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.