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ASTM A240/A240M S44600 vs ASTM A959 442

Close Alternative — 83% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44600 (ASTM A240/A240M:2025) and ASTM A959 442 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44600 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 442 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S44600 is defined under ASTM International, originating from United States, while ASTM A959 442 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S44600 vs ASTM A959 442 is a 83% 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 83%.

Frequently Compared With ASTM A240/A240M S44600:
GOST 5632 06Kh23N28 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
83%
MECHANICAL MATCH
No shared data
OVERALL
83%
Specifications
Property ASTM A240/A240M S44600 ASTM A959 442
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.20 <=0.20
Mn (%) <=1.50 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.040
Si (%) <=1.00 <=1.00
Cr (%) 23.0-27.0 18.0-23.0
Ni (%) <=0.75 <=0.60
N (%) <=0.25 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 A240/A240M S44600 ASTM A959 442
Tensile Strength >=515 MPa Not specified
Yield Strength >=275 MPa Not specified
Elongation >=20% Not specified
Hardness <=217 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S44600
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 442
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S44600 Be Substituted With ASTM A959 442?
ASTM A240/A240M S44600 and ASTM A959 442 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 A240/A240M S44600
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ASTM A959 442
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S44600 and ASTM A959 442?
ASTM A240/A240M S44600 specifies N which is not specified for ASTM A959 442.
Can ASTM A240/A240M S44600 be substituted with ASTM A959 442?
ASTM A240/A240M S44600 and ASTM A959 442 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.