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ASTM A959 S30815 vs ASTM A240/A240M S30815

Strong Match — 100% match based on chemical composition and mechanical property overlap.

ASTM A959 S30815 (ASTM A959:2011) and ASTM A240/A240M S30815 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 S30815 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S30815 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 S30815 is defined under ASTM International, originating from United States, while ASTM A240/A240M S30815 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 S30815 vs ASTM A240/A240M S30815 is a 100% 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 100%.

Frequently Compared With ASTM A959 S30815:
IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4401 EN 10088-1 1.4845 ASTM A959 .- IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
No shared data
OVERALL
100%
Specifications
Property ASTM A959 S30815 ASTM A240/A240M S30815
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) 0.05-0.10 0.05-0.10
Ce (%) 0.03-0.08 0.03-0.08
Cr (%) 20.0-22.0 20.0-22.0
Mn (%) <=0.80 <=0.80
N (%) 0.14-0.20 0.14-0.20
Ni (%) 10.0-12.0 10.0-12.0
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) 1.40-2.00 1.40-2.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 S30815 ASTM A240/A240M S30815
Tensile Strength Not specified >=600 MPa
Yield Strength Not specified >=310 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 S30815
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S30815
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A959 S30815 Be Substituted With ASTM A240/A240M S30815?
ASTM A959 S30815 and ASTM A240/A240M S30815 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S30815 is often considered as a substitute for ASTM A959 S30815 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 S30815
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ASTM A240/A240M S30815
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Frequently Asked Questions
What is the difference between ASTM A959 S30815 and ASTM A240/A240M S30815?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 S30815 be substituted with ASTM A240/A240M S30815?
ASTM A959 S30815 and ASTM A240/A240M S30815 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S30815 is often considered as a substitute for ASTM A959 S30815 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.