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ASTM A959 444 vs ASTM A276/A276M S44400

Strong Match — 100% match based on chemical composition and mechanical property overlap.

ASTM A959 444 (ASTM A959:2011) and ASTM A276/A276M S44400 (ASTM A276/A276M:2017) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 444 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A276/A276M S44400 is commonly used for stainless steel bars and shapes (hot-finished or cold-finished). ASTM A959 444 is defined under ASTM International, originating from United States, while ASTM A276/A276M S44400 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 444 vs ASTM A276/A276M S44400 is a 100% 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 100%.

Frequently Compared With ASTM A959 444:
EN 10088-1 1.4401 ASTM A959 25-4-4 ASTM A959 26-3-3 ASTM A959 29-4C GOST 5632 08X18H10 EN 10088-1 1.4301 GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GOST 5632 06Kh23N28
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
No shared data
OVERALL
100%
Specifications
Property ASTM A959 444 ASTM A276/A276M S44400
Standard ASTM A959:2011 ASTM A276/A276M:2017
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.025
Cr (%) 17.5-19.5 17.5-19.5
Mn (%) <=1.00 <=1.00
Mo (%) 1.75-2.50 1.75-2.50
N (%) <=0.035 <=0.035
Ni (%) <=1.00 <=1.00
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 444 ASTM A276/A276M S44400
Tensile Strength Not specified >=415 MPa
Yield Strength Not specified >=310 MPa
Elongation Not specified >=20%
Hardness Not specified <=217 HB
Condition Not specified Condition A (Annealed), hot-finished, all sizes (first row printed)
Typical Applications
ASTM A959 444
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A276/A276M S44400
Stainless steel bars and shapes (hot-finished or cold-finished)
Can ASTM A959 444 Be Substituted With ASTM A276/A276M S44400?
ASTM A959 444 and ASTM A276/A276M S44400 overlap closely enough on chemistry and mechanical properties that ASTM A276/A276M S44400 is often considered as a substitute for ASTM A959 444 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 444
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ASTM A276/A276M S44400
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Frequently Asked Questions
What is the difference between ASTM A959 444 and ASTM A276/A276M S44400?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 444 be substituted with ASTM A276/A276M S44400?
ASTM A959 444 and ASTM A276/A276M S44400 overlap closely enough on chemistry and mechanical properties that ASTM A276/A276M S44400 is often considered as a substitute for ASTM A959 444 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.