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ASTM A240/A240M S35030 vs ASTM A959 S30815

Related Material — 66% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S35030 (ASTM A240/A240M:2025) and ASTM A959 S30815 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S35030 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 S30815 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S35030 is defined under ASTM International, originating from United States, while ASTM A959 S30815 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S35030 vs ASTM A959 S30815 is a 66% 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 66%.

Frequently Compared With ASTM A240/A240M S35030:
EN 10088-1 1.4401 EN 10088-1 1.4845 GOST 5632 08X18H10 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
66%
MECHANICAL MATCH
No shared data
OVERALL
66%
Specifications
Property ASTM A240/A240M S35030 ASTM A959 S30815
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.05-0.10 0.05-0.10
Mn (%) <=1.50 <=0.80
P (%) <=0.030 <=0.040
S (%) <=0.015 <=0.030
Si (%) 0.5-2.0 1.40-2.00
Cr (%) 18.5-22.5 20.0-22.0
Ni (%) 22.5-27.5 10.0-12.0
N (%) 0.05-0.15 0.14-0.20
Cu (%) 2.5-3.5 Not specified
Nb (%) 0.25-0.75 Not specified
Ce (%) Not specified 0.03-0.08
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 S35030 ASTM A959 S30815
Tensile Strength >=550 MPa Not specified
Yield Strength >=235 MPa Not specified
Elongation >=30% Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S35030
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 S30815
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S35030 Be Substituted With ASTM A959 S30815?
ASTM A240/A240M S35030 and ASTM A959 S30815 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 S35030
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ASTM A959 S30815
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S35030 and ASTM A959 S30815?
ASTM A240/A240M S35030 specifies Cu, Nb which are not specified for ASTM A959 S30815. ASTM A959 S30815 specifies Ce which is not specified for ASTM A240/A240M S35030.
Can ASTM A240/A240M S35030 be substituted with ASTM A959 S30815?
ASTM A240/A240M S35030 and ASTM A959 S30815 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.