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ASTM A240/A240M S30100 vs ASTM A276/A276M S30400

Close Alternative — 84.4% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S30100 (ASTM A240/A240M:2025) and ASTM A276/A276M S30400 (ASTM A276/A276M:2017) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S30100 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A276/A276M S30400 is commonly used for stainless steel bars and shapes (hot-finished or cold-finished). ASTM A240/A240M S30100 is defined under ASTM International, originating from United States, while ASTM A276/A276M S30400 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S30100 vs ASTM A276/A276M S30400 is a 76.7% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 84.4%.

Frequently Compared With ASTM A240/A240M S30100:
IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
76.7%
MECHANICAL MATCH
100%
OVERALL
84.4%
Specifications
Property ASTM A240/A240M S30100 ASTM A276/A276M S30400
Standard ASTM A240/A240M:2025 ASTM A276/A276M:2017
Category Stainless Steel Stainless Steel
C (%) <=0.15 <=0.08
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 16.0-18.0 18.0-20.0
Ni (%) 6.0-8.0 8.0-11.0
N (%) <=0.10 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 S30100 ASTM A276/A276M S30400
Tensile Strength >=515 MPa >=515 MPa
Yield Strength >=205 MPa >=205 MPa
Elongation >=40% >=40%
Hardness <=217 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 S30100
Pressure vessels and general applications (plate, sheet and strip)
ASTM A276/A276M S30400
Stainless steel bars and shapes (hot-finished or cold-finished)
Key Differences
Can ASTM A240/A240M S30100 Be Substituted With ASTM A276/A276M S30400?
ASTM A240/A240M S30100 and ASTM A276/A276M S30400 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 S30100
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ASTM A276/A276M S30400
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S30100 and ASTM A276/A276M S30400?
ASTM A240/A240M S30100 specifies N which is not specified for ASTM A276/A276M S30400.
Can ASTM A240/A240M S30100 be substituted with ASTM A276/A276M S30400?
ASTM A240/A240M S30100 and ASTM A276/A276M S30400 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.