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ASTM A276/A276M S31803 vs ASTM A959 255

Close Alternative — 76.7% match based on chemical composition and mechanical property overlap.

ASTM A276/A276M S31803 (ASTM A276/A276M:2017) and ASTM A959 255 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A276/A276M S31803 is typically used for stainless steel bars and shapes (hot-finished or cold-finished), while ASTM A959 255 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A276/A276M S31803 is defined under ASTM International, originating from United States, while ASTM A959 255 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A276/A276M S31803 vs ASTM A959 255 is a 76.7% 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 76.7%.

Frequently Compared With ASTM A276/A276M S31803:
ASTM A959 2205 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
76.7%
MECHANICAL MATCH
No shared data
OVERALL
76.7%
Specifications
Property ASTM A276/A276M S31803 ASTM A959 255
Standard ASTM A276/A276M:2017 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.04
Mn (%) <=2.00 <=1.50
P (%) <=0.030 <=0.040
S (%) <=0.020 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 21.0-23.0 24.0-27.0
Ni (%) 4.5-6.5 4.5-6.5
Mo (%) 2.5-3.5 2.9-3.9
N (%) 0.08-0.20 0.10-0.25
Cu (%) Not specified 1.50-2.50
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 S31803 ASTM A959 255
Tensile Strength >=620 MPa Not specified
Yield Strength >=448 MPa Not specified
Elongation >=25% Not specified
Hardness <=290 HB Not specified
Condition Condition A (Annealed), hot-finished or cold-finished, all sizes (first row printed) Not specified
Typical Applications
ASTM A276/A276M S31803
Stainless steel bars and shapes (hot-finished or cold-finished)
ASTM A959 255
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A276/A276M S31803 Be Substituted With ASTM A959 255?
ASTM A276/A276M S31803 and ASTM A959 255 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.
On M-EX Right Now
ASTM A276/A276M S31803
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ASTM A959 255
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Frequently Asked Questions
What is the difference between ASTM A276/A276M S31803 and ASTM A959 255?
ASTM A959 255 specifies Cu which is not specified for ASTM A276/A276M S31803.
Can ASTM A276/A276M S31803 be substituted with ASTM A959 255?
ASTM A276/A276M S31803 and ASTM A959 255 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.