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ASTM A240/A240M N08332 vs ASTM A959 302

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M N08332 (ASTM A240/A240M:2025) and ASTM A959 302 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M N08332 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 302 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M N08332 is defined under ASTM International, originating from United States, while ASTM A959 302 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M N08332 vs ASTM A959 302 is a 69.9% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 69.9%.

Frequently Compared With ASTM A240/A240M N08332:
IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoH GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
69.9%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A240/A240M N08332 ASTM A959 302
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.05-0.10 <=0.15
Mn (%) <=2.00 <=2.00
P (%) <=0.030 <=0.045
S (%) <=0.030 <=0.030
Si (%) 0.75-1.50 <=1.00
Cr (%) 17.0-20.0 17.0-19.0
Ni (%) 34.0-37.0 8.0-10.0
Cu (%) <=1.00 Not specified
Pb (%) <=0.005 Not specified
Sn (%) <=0.025 Not specified
N (%) Not specified <=0.10
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 N08332 ASTM A959 302
Tensile Strength >=462 MPa Not specified
Yield Strength >=186 MPa Not specified
Elongation >=30% Not specified
Hardness <=88 HRBW Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M N08332
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 302
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M N08332 Be Substituted With ASTM A959 302?
ASTM A240/A240M N08332 and ASTM A959 302 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
On M-EX Right Now
ASTM A240/A240M N08332
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ASTM A959 302
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Frequently Asked Questions
What is the difference between ASTM A240/A240M N08332 and ASTM A959 302?
ASTM A240/A240M N08332 specifies Cu, Pb, Sn which are not specified for ASTM A959 302. ASTM A959 302 specifies N which is not specified for ASTM A240/A240M N08332.
Can ASTM A240/A240M N08332 be substituted with ASTM A959 302?
ASTM A240/A240M N08332 and ASTM A959 302 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.