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ASTM A959 S20430 vs ASTM A276/A276M S20100

Close Alternative — 80.5% match based on chemical composition and mechanical property overlap.

ASTM A959 S20430 (ASTM A959:2011) and ASTM A276/A276M S20100 (ASTM A276/A276M:2017) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S20430 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A276/A276M S20100 is commonly used for stainless steel bars and shapes (hot-finished or cold-finished). ASTM A959 S20430 is defined under ASTM International, originating from United States, while ASTM A276/A276M S20100 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 S20430 vs ASTM A276/A276M S20100 is a 80.5% 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 80.5%.

Frequently Compared With ASTM A959 S20430:
ASTM A959 201 GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoH EN 10088-1 1.4401 GOST 5632 06Kh23N28 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 202 EN 10088-1 1.4006 EN 10088-1 1.4301 ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
80.5%
MECHANICAL MATCH
No shared data
OVERALL
80.5%
Specifications
Property ASTM A959 S20430 ASTM A276/A276M S20100
Standard ASTM A959:2011 ASTM A276/A276M:2017
Category Stainless Steel Stainless Steel
C (%) <=0.15 <=0.15
Cr (%) 15.5-17.5 16.0-18.0
Cu (%) 2.0-4.0 Not specified
Mn (%) 6.5-9.0 5.5-7.5
N (%) 0.05-0.25 <=0.25
Ni (%) 1.50-3.50 3.5-5.5
P (%) <=0.060 <=0.060
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 S20430 ASTM A276/A276M S20100
Tensile Strength Not specified >=515 MPa
Yield Strength Not specified >=275 MPa
Elongation Not specified >=40%
Condition Not specified Condition A (Annealed), hot-finished or cold-finished, all sizes (first row printed)
Typical Applications
ASTM A959 S20430
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A276/A276M S20100
Stainless steel bars and shapes (hot-finished or cold-finished)
Key Differences
Can ASTM A959 S20430 Be Substituted With ASTM A276/A276M S20100?
ASTM A959 S20430 and ASTM A276/A276M S20100 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 A959 S20430
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ASTM A276/A276M S20100
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Frequently Asked Questions
What is the difference between ASTM A959 S20430 and ASTM A276/A276M S20100?
ASTM A959 S20430 specifies Cu which is not specified for ASTM A276/A276M S20100.
Can ASTM A959 S20430 be substituted with ASTM A276/A276M S20100?
ASTM A959 S20430 and ASTM A276/A276M S20100 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.