Post Stock Login Register

ASTM A240/A240M S44725 vs ASTM A959 XM-27

Close Alternative — 73.8% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44725 (ASTM A240/A240M:2025) and ASTM A959 XM-27 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44725 is typically used for pressure vessels and general applications (plate, sheet and strip), while ASTM A959 XM-27 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). ASTM A240/A240M S44725 is defined under ASTM International, originating from United States, while ASTM A959 XM-27 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A240/A240M S44725 vs ASTM A959 XM-27 is a 73.8% 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 73.8%.

Frequently Compared With ASTM A240/A240M S44725:
ASTM A959 26-3-3 ASTM A959 29-4 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) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
73.8%
MECHANICAL MATCH
No shared data
OVERALL
73.8%
Specifications
Property ASTM A240/A240M S44725 ASTM A959 XM-27
Standard ASTM A240/A240M:2025 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.015 <=0.010
Mn (%) <=0.40 <=0.40
P (%) <=0.040 <=0.020
S (%) <=0.020 <=0.020
Si (%) <=0.040 <=0.40
Cr (%) 25.0-28.5 25.0-27.5
Ni (%) <=0.30 <=0.50
Mo (%) 1.5-2.5 0.75-1.50
N (%) <=0.018 <=0.015
Cb (%) Not specified 0.05-0.20
Cu (%) Not specified <=0.20
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 S44725 ASTM A959 XM-27
Tensile Strength >=450 MPa Not specified
Yield Strength >=275 MPa Not specified
Elongation >=20% Not specified
Hardness <=210 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S44725
Pressure vessels and general applications (plate, sheet and strip)
ASTM A959 XM-27
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can ASTM A240/A240M S44725 Be Substituted With ASTM A959 XM-27?
ASTM A240/A240M S44725 and ASTM A959 XM-27 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 S44725
0 active listings and RFQs →
ASTM A959 XM-27
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A240/A240M S44725 and ASTM A959 XM-27?
ASTM A959 XM-27 specifies Cb, Cu which are not specified for ASTM A240/A240M S44725.
Can ASTM A240/A240M S44725 be substituted with ASTM A959 XM-27?
ASTM A240/A240M S44725 and ASTM A959 XM-27 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.