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ASTM A240/A240M N08367 vs ASTM A959 904L

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

ASTM A240/A240M N08367 (ASTM A240/A240M:2025) and ASTM A959 904L (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M N08367 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 904L is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M N08367 is defined under ASTM International, originating from United States, while ASTM A959 904L is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M N08367 vs ASTM A959 904L is a 71.4% 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 N08367:
IS 1570 (Part 7) 12Cr12MoH 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) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
71.4%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A240/A240M N08367 ASTM A959 904L
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.020
Mn (%) <=2.00 <=2.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 20.0-22.0 19.0-23.0
Ni (%) 23.5-25.5 23.0-28.0
Mo (%) 6.0-7.0 4.0-5.0
N (%) 0.18-0.25 <=0.10
Cu (%) <=0.75 1.00-2.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M N08367 ASTM A959 904L
Tensile Strength >=690 MPa Not specified
Yield Strength >=310 MPa Not specified
Elongation >=30% Not specified
Hardness <=100 HRBW Not specified
Condition Sheet and strip (first condition printed); yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M N08367
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 904L
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Can ASTM A240/A240M N08367 Be Substituted With ASTM A959 904L?
ASTM A240/A240M N08367 and ASTM A959 904L 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.
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ASTM A240/A240M N08367
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ASTM A959 904L
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Frequently Asked Questions
What is the difference between ASTM A240/A240M N08367 and ASTM A959 904L?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M N08367 be substituted with ASTM A959 904L?
ASTM A240/A240M N08367 and ASTM A959 904L 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.