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ASTM A959 XM-29 vs ASTM A240/A240M S24000

Strong Match — 98.6% match based on chemical composition and mechanical property overlap.

ASTM A959 XM-29 (ASTM A959:2011) and ASTM A240/A240M S24000 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 XM-29 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while ASTM A240/A240M S24000 is commonly used for pressure vessels and general applications (plate, sheet and strip). ASTM A959 XM-29 is defined under ASTM International, originating from United States, while ASTM A240/A240M S24000 is defined under ASTM International, originating from United States.

As per chemical composition, ASTM A959 XM-29 vs ASTM A240/A240M S24000 is a 98.6% 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 98.6%.

Frequently Compared With ASTM A959 XM-29:
IS 1570 (Part 7) 12Cr13H ASTM A959 205 IS 1570 (Part 7) 12Cr12MoH GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4301
Match Breakdown
CHEMISTRY MATCH
98.6%
MECHANICAL MATCH
No shared data
OVERALL
98.6%
Specifications
Property ASTM A959 XM-29 ASTM A240/A240M S24000
Standard ASTM A959:2011 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.08
Cr (%) 17.0-19.0 17.0-19.0
Mn (%) 11.5-14.5 11.50-14.50
N (%) 0.20-0.40 0.20-0.40
Ni (%) 2.3-3.7 2.3-3.7
P (%) <=0.060 <=0.060
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=0.75
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 XM-29 ASTM A240/A240M S24000
Tensile Strength Not specified >=690 MPa
Yield Strength Not specified >=415 MPa
Elongation Not specified >=40%
Hardness Not specified <=241 HB
Condition Not specified Sheet and strip (first condition printed); yield by 0.2 percent offset
Typical Applications
ASTM A959 XM-29
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
ASTM A240/A240M S24000
Pressure vessels and general applications (plate, sheet and strip)
Can ASTM A959 XM-29 Be Substituted With ASTM A240/A240M S24000?
ASTM A959 XM-29 and ASTM A240/A240M S24000 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S24000 is often considered as a substitute for ASTM A959 XM-29 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 XM-29
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ASTM A240/A240M S24000
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Frequently Asked Questions
What is the difference between ASTM A959 XM-29 and ASTM A240/A240M S24000?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 XM-29 be substituted with ASTM A240/A240M S24000?
ASTM A959 XM-29 and ASTM A240/A240M S24000 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S24000 is often considered as a substitute for ASTM A959 XM-29 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.