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ASTM A959 310HCbN vs ASTM A240/A240M S31009

Strong Match — 92.9% match based on chemical composition and mechanical property overlap.

ASTM A959 310HCbN (ASTM A959:2011) and ASTM A240/A240M S31009 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 310HCbN is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S31009 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 310HCbN is defined under ASTM International, originating from United States, while ASTM A240/A240M S31009 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 310HCbN vs ASTM A240/A240M S31009 is a 92.9% 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 92.9%.

Frequently Compared With ASTM A959 310HCbN:
EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH GB/T 3280 06Cr19Ni10 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H GOST 5632 06Kh23N28 EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH GOST 5632 08X18H10 EN 10088-1 1.4845
Match Breakdown
CHEMISTRY MATCH
92.9%
MECHANICAL MATCH
No shared data
OVERALL
92.9%
Specifications
Property ASTM A959 310HCbN ASTM A240/A240M S31009
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) 0.04-0.10 0.04-0.10
Cb (%) 0.20-0.60 Not specified
Cr (%) 24.0-26.0 24.0-26.03
Mn (%) <=2.00 <=2.00
N (%) 0.15-0.35 Not specified
Ni (%) 19.0-22.0 19.0-22.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=0.75
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 310HCbN ASTM A240/A240M S31009
Tensile Strength Not specified >=515 MPa
Yield Strength Not specified >=205 MPa
Elongation Not specified >=40%
Hardness Not specified <=217 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
ASTM A959 310HCbN
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S31009
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can ASTM A959 310HCbN Be Substituted With ASTM A240/A240M S31009?
ASTM A959 310HCbN and ASTM A240/A240M S31009 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S31009 is often considered as a substitute for ASTM A959 310HCbN 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 310HCbN
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ASTM A240/A240M S31009
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Frequently Asked Questions
What is the difference between ASTM A959 310HCbN and ASTM A240/A240M S31009?
ASTM A959 310HCbN specifies Cb, N which are not specified for ASTM A240/A240M S31009.
Can ASTM A959 310HCbN be substituted with ASTM A240/A240M S31009?
ASTM A959 310HCbN and ASTM A240/A240M S31009 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S31009 is often considered as a substitute for ASTM A959 310HCbN in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.