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ASTM A959 440A vs ASTM A276/A276M S44003

Strong Match — 91.7% match based on chemical composition and mechanical property overlap.

ASTM A959 440A (ASTM A959:2011) and ASTM A276/A276M S44003 (ASTM A276/A276M:2017) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 440A is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A276/A276M S44003 is commonly used for stainless steel bars and shapes (hot-finished or cold-finished). ASTM A959 440A is defined under ASTM International, originating from United States, while ASTM A276/A276M S44003 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 440A vs ASTM A276/A276M S44003 is a 91.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 91.7%.

Frequently Compared With ASTM A959 440A:
GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4845 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoH EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
91.7%
MECHANICAL MATCH
No shared data
OVERALL
91.7%
Specifications
Property ASTM A959 440A ASTM A276/A276M S44003
Standard ASTM A959:2011 ASTM A276/A276M:2017
Category Stainless Steel Stainless Steel
C (%) 0.60-0.75 0.75-0.95
Cr (%) 16.0-18.0 16.0-18.0
Mn (%) <=1.00 <=1.00
Mo (%) <=0.75 <=0.75
P (%) <=0.040 <=0.040
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 440A ASTM A276/A276M S44003
Hardness Not specified <=269 HB
Condition Not specified Condition A (Annealed), hot-finished, all sizes (first row printed)
Typical Applications
ASTM A959 440A
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A276/A276M S44003
Stainless steel bars and shapes (hot-finished or cold-finished)
Can ASTM A959 440A Be Substituted With ASTM A276/A276M S44003?
ASTM A959 440A and ASTM A276/A276M S44003 overlap closely enough on chemistry and mechanical properties that ASTM A276/A276M S44003 is often considered as a substitute for ASTM A959 440A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A959 440A
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ASTM A276/A276M S44003
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Frequently Asked Questions
What is the difference between ASTM A959 440A and ASTM A276/A276M S44003?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 440A be substituted with ASTM A276/A276M S44003?
ASTM A959 440A and ASTM A276/A276M S44003 overlap closely enough on chemistry and mechanical properties that ASTM A276/A276M S44003 is often considered as a substitute for ASTM A959 440A in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.