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ASTM A959 301L vs ASTM A240/A240M S30103

Strong Match — 97.2% match based on chemical composition and mechanical property overlap.

ASTM A959 301L (ASTM A959:2011) and ASTM A240/A240M S30103 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 301L is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S30103 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 301L is defined under ASTM International, originating from United States, while ASTM A240/A240M S30103 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 301L vs ASTM A240/A240M S30103 is a 97.2% 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 97.2%.

Frequently Compared With ASTM A959 301L:
ASTM A959 201LN ASTM A959 201L IS 1570 (Part 7) 12Cr12MoVH GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
97.2%
MECHANICAL MATCH
No shared data
OVERALL
97.2%
Specifications
Property ASTM A959 301L ASTM A240/A240M S30103
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.03
Cr (%) 16.0-18.0 16.0-18.0
Mn (%) <=2.00 <=2.00
N (%) <=0.20 <=0.20
Ni (%) 5.0-8.0 6.0-8.0
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
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 301L ASTM A240/A240M S30103
Tensile Strength Not specified >=550 MPa
Yield Strength Not specified >=220 MPa
Elongation Not specified >=45%
Hardness Not specified <=241 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
ASTM A959 301L
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S30103
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A959 301L Be Substituted With ASTM A240/A240M S30103?
ASTM A959 301L and ASTM A240/A240M S30103 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S30103 is often considered as a substitute for ASTM A959 301L 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 301L
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ASTM A240/A240M S30103
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Frequently Asked Questions
What is the difference between ASTM A959 301L and ASTM A240/A240M S30103?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 301L be substituted with ASTM A240/A240M S30103?
ASTM A959 301L and ASTM A240/A240M S30103 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S30103 is often considered as a substitute for ASTM A959 301L in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.