ASTM A240/A240M N08028 vs ASTM A959 317LN

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M N08028 (ASTM A240/A240M:2025) and ASTM A959 317LN (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M N08028 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 317LN is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M N08028 is defined under ASTM International, originating from United States, while ASTM A959 317LN is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M N08028 vs ASTM A959 317LN is a 73% 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 69.9%.

Frequently Compared With ASTM A240/A240M N08028:
ASTM A959 26-3-3 ASTM A959 255 IS 1570 (Part 7) 12Cr12MoH GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
73%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property ASTM A240/A240M N08028 ASTM A959 317LN
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Mn (%) <=2.50 <=2.00
P (%) <=0.030 <=0.045
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 26.0-28.0 18.0-20.0
Ni (%) 30.0-34.0 11.0-14.0
Mo (%) 3.0-4.0 3.0-4.0
Cu (%) 0.6-1.4 Not specified
N (%) Not specified 0.10-0.22
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 N08028 ASTM A959 317LN
Tensile Strength >=500 MPa Not specified
Yield Strength >=214 MPa Not specified
Elongation >=40% Not specified
Hardness <=90 HRBW Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M N08028
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 317LN
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M N08028 Be Substituted With ASTM A959 317LN?
ASTM A240/A240M N08028 and ASTM A959 317LN 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.
On M-EX Right Now
ASTM A240/A240M N08028
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ASTM A959 317LN
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Frequently Asked Questions
What is the difference between ASTM A240/A240M N08028 and ASTM A959 317LN?
ASTM A240/A240M N08028 specifies Cu which is not specified for ASTM A959 317LN. ASTM A959 317LN specifies N which is not specified for ASTM A240/A240M N08028.
Can ASTM A240/A240M N08028 be substituted with ASTM A959 317LN?
ASTM A240/A240M N08028 and ASTM A959 317LN 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.