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ASTM A240/A240M S31277 vs EN 10088-1 X1CrNiMoCuN25-25-5

Related Material — 66.2% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S31277 (ASTM A240/A240M:2025) and EN 10088-1 X1CrNiMoCuN25-25-5 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S31277 is defined under ASTM International, originating from United States, while EN 10088-1 X1CrNiMoCuN25-25-5 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S31277 vs EN 10088-1 X1CrNiMoCuN25-25-5 is a 66.2% 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 66.2%.

Frequently Compared With ASTM A240/A240M S31277:
GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 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) 12Cr12Ni2Mo ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
66.2%
MECHANICAL MATCH
No shared data
OVERALL
66.2%
Specifications
Property ASTM A240/A240M S31277 EN 10088-1 X1CrNiMoCuN25-25-5
Standard ASTM A240/A240M:2025 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) <=0.020 <=0.020
Mn (%) <=3.00 <=2.00
P (%) <=0.030 <=0.030
S (%) <=0.010 <=0.010
Si (%) <=0.50 <=0.70
Cr (%) 20.5-23.0 24.0-26.0
Ni (%) 26.0-28.0 24.0-27.0
Mo (%) 6.5-8.0 4.7-5.7
N (%) 0.30-0.40 0.17-0.25
Cu (%) 0.50-1.50 1.00-2.00
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A240/A240M S31277 EN 10088-1 X1CrNiMoCuN25-25-5
Tensile Strength >=770 MPa Not specified
Yield Strength >=360 MPa Not specified
Elongation >=40% Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S31277
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X1CrNiMoCuN25-25-5
Not documented
Can ASTM A240/A240M S31277 Be Substituted With EN 10088-1 X1CrNiMoCuN25-25-5?
ASTM A240/A240M S31277 and EN 10088-1 X1CrNiMoCuN25-25-5 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.
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ASTM A240/A240M S31277
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EN 10088-1 X1CrNiMoCuN25-25-5
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S31277 and EN 10088-1 X1CrNiMoCuN25-25-5?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S31277 be substituted with EN 10088-1 X1CrNiMoCuN25-25-5?
ASTM A240/A240M S31277 and EN 10088-1 X1CrNiMoCuN25-25-5 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.