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ASTM A959 310MoLN vs ASTM A240/A240M S31050

Strong Match — 86.1% match based on chemical composition and mechanical property overlap.

ASTM A959 310MoLN (ASTM A959:2011) and ASTM A240/A240M S31050 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 310MoLN is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S31050 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 310MoLN is defined under ASTM International, originating from United States, while ASTM A240/A240M S31050 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 310MoLN vs ASTM A240/A240M S31050 is a 86.1% 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 86.1%.

Frequently Compared With ASTM A959 310MoLN:
IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GOST 5632 06Kh23N28 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr13H
Match Breakdown
CHEMISTRY MATCH
86.1%
MECHANICAL MATCH
No shared data
OVERALL
86.1%
Specifications
Property ASTM A959 310MoLN ASTM A240/A240M S31050
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.020
Cr (%) 24.0-26.0 24.0-26.0
Mn (%) <=2.00 <=2.00
Mo (%) 2.00-3.00 1.60-2.60
N (%) 0.10-0.16 0.09-0.15
Ni (%) 21.0-23.0 20.5-23.5
P (%) <=0.030 <=0.030
S (%) <=0.015 <=0.010
Si (%) <=0.40 <=0.50
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 310MoLN ASTM A240/A240M S31050
Tensile Strength Not specified >=580 MPa
Yield Strength Not specified >=270 MPa
Elongation Not specified >=25%
Hardness Not specified <=217 HB
Condition Not specified t <= 0.25 in. (first condition printed); yield by 0.2 percent offset
Typical Applications
ASTM A959 310MoLN
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S31050
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A959 310MoLN Be Substituted With ASTM A240/A240M S31050?
ASTM A959 310MoLN and ASTM A240/A240M S31050 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S31050 is often considered as a substitute for ASTM A959 310MoLN 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 310MoLN
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ASTM A240/A240M S31050
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Frequently Asked Questions
What is the difference between ASTM A959 310MoLN and ASTM A240/A240M S31050?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 310MoLN be substituted with ASTM A240/A240M S31050?
ASTM A959 310MoLN and ASTM A240/A240M S31050 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S31050 is often considered as a substitute for ASTM A959 310MoLN in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.