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ASTM A240/A240M S44725 vs EN 10088-1 X2CrMoSiS18-2-1

Related Material — 67.4% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S44725 (ASTM A240/A240M:2025) and EN 10088-1 X2CrMoSiS18-2-1 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S44725 is defined under ASTM International, originating from United States, while EN 10088-1 X2CrMoSiS18-2-1 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S44725 vs EN 10088-1 X2CrMoSiS18-2-1 is a 67.4% 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 67.4%.

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
67.4%
MECHANICAL MATCH
No shared data
OVERALL
67.4%
Specifications
Property ASTM A240/A240M S44725 EN 10088-1 X2CrMoSiS18-2-1
Standard ASTM A240/A240M:2025 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.015 <=0.030
Mn (%) <=0.40 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.020 0.15-0.35
Si (%) <=0.040 <=2.50
Cr (%) 25.0-28.5 17.5-19.5
Ni (%) <=0.30 <=0.75
Mo (%) 1.5-2.5 1.50-2.50
N (%) <=0.018 Not specified
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 EN 10088-1 X2CrMoSiS18-2-1
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)
EN 10088-1 X2CrMoSiS18-2-1
Not documented
Key Differences
Can ASTM A240/A240M S44725 Be Substituted With EN 10088-1 X2CrMoSiS18-2-1?
ASTM A240/A240M S44725 and EN 10088-1 X2CrMoSiS18-2-1 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 S44725
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EN 10088-1 X2CrMoSiS18-2-1
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S44725 and EN 10088-1 X2CrMoSiS18-2-1?
ASTM A240/A240M S44725 specifies N which is not specified for EN 10088-1 X2CrMoSiS18-2-1.
Can ASTM A240/A240M S44725 be substituted with EN 10088-1 X2CrMoSiS18-2-1?
ASTM A240/A240M S44725 and EN 10088-1 X2CrMoSiS18-2-1 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.