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ASTM A240/A240M S20432 vs ASTM A959 XM-1

Close Alternative — 74.7% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S20432 (ASTM A240/A240M:2025) and ASTM A959 XM-1 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S20432 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 XM-1 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S20432 is defined under ASTM International, originating from United States, while ASTM A959 XM-1 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S20432 vs ASTM A959 XM-1 is a 74.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 74.7%.

Frequently Compared With ASTM A240/A240M S20432:
EN 10088-1 1.4006 EN 10088-1 1.4401 GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr13H EN 10088-1 1.4301 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
74.7%
MECHANICAL MATCH
No shared data
OVERALL
74.7%
Specifications
Property ASTM A240/A240M S20432 ASTM A959 XM-1
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.08
Mn (%) 3.00-5.00 5.0-6.5
P (%) <=0.045 <=0.045
S (%) <=0.030 0.18-0.35
Si (%) <=1.00 <=1.00
Cr (%) 17.0-18.0 16.0-18.0
Ni (%) 4.0-6.0 5.0-6.5
N (%) 0.05-0.20 Not specified
Cu (%) 2.00-3.00 1.75-2.25
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 S20432 ASTM A959 XM-1
Tensile Strength >=515 MPa Not specified
Yield Strength >=205 MPa Not specified
Elongation >=40% Not specified
Hardness <=201 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S20432
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 XM-1
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S20432 Be Substituted With ASTM A959 XM-1?
ASTM A240/A240M S20432 and ASTM A959 XM-1 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
ASTM A240/A240M S20432
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ASTM A959 XM-1
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S20432 and ASTM A959 XM-1?
ASTM A240/A240M S20432 specifies N which is not specified for ASTM A959 XM-1.
Can ASTM A240/A240M S20432 be substituted with ASTM A959 XM-1?
ASTM A240/A240M S20432 and ASTM A959 XM-1 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.