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ASTM A276/A276M S40976 vs ASTM A959 S40977

Close Alternative — 81.5% match based on chemical composition and mechanical property overlap.

ASTM A276/A276M S40976 (ASTM A276/A276M:2017) and ASTM A959 S40977 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A276/A276M S40976 is typically used for stainless steel bars and shapes (hot-finished or cold-finished), while ASTM A959 S40977 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A276/A276M S40976 is defined under ASTM International, originating from United States, while ASTM A959 S40977 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A276/A276M S40976 vs ASTM A959 S40977 is a 81.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 81.5%.

Frequently Compared With ASTM A276/A276M S40976:
GB/T 3280 06Cr19Ni10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4301
Match Breakdown
CHEMISTRY MATCH
81.5%
MECHANICAL MATCH
No shared data
OVERALL
81.5%
Specifications
Property ASTM A276/A276M S40976 ASTM A959 S40977
Standard ASTM A276/A276M:2017 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Mn (%) <=1.00 <=1.50
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=1.00
Cr (%) 10.5-11.7 10.5-12.5
Ni (%) 0.75-1.00 0.30-1.00
N (%) <=0.040 <=0.030
Nb (%) <=0.80 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 S40976 ASTM A959 S40977
Tensile Strength >=415 MPa Not specified
Yield Strength >=140 MPa Not specified
Elongation >=20% Not specified
Hardness <=244 HB Not specified
Condition Condition A (Annealed), hot-finished or cold-finished, all sizes (first row printed) Not specified
Typical Applications
ASTM A276/A276M S40976
Stainless steel bars and shapes (hot-finished or cold-finished)
ASTM A959 S40977
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A276/A276M S40976 Be Substituted With ASTM A959 S40977?
ASTM A276/A276M S40976 and ASTM A959 S40977 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 S40976
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ASTM A959 S40977
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Frequently Asked Questions
What is the difference between ASTM A276/A276M S40976 and ASTM A959 S40977?
ASTM A276/A276M S40976 specifies Nb which is not specified for ASTM A959 S40977.
Can ASTM A276/A276M S40976 be substituted with ASTM A959 S40977?
ASTM A276/A276M S40976 and ASTM A959 S40977 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.