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ASTM A240/A240M S82121 vs EN 10088-1 X2CrCuNiN23-2-2

Close Alternative — 71.9% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S82121 (ASTM A240/A240M:2025) and EN 10088-1 X2CrCuNiN23-2-2 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S82121 is defined under ASTM International, originating from United States, while EN 10088-1 X2CrCuNiN23-2-2 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S82121 vs EN 10088-1 X2CrCuNiN23-2-2 is a 71.9% 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 71.9%.

Frequently Compared With ASTM A240/A240M S82121:
ASTM A959 2304 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
71.9%
MECHANICAL MATCH
No shared data
OVERALL
71.9%
Specifications
Property ASTM A240/A240M S82121 EN 10088-1 X2CrCuNiN23-2-2
Standard ASTM A240/A240M:2025 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) <=0.035 <=0.045
Mn (%) 1.00-2.50 1.00-3.00
P (%) <=0.040 <=0.040
S (%) <=0.010 <=0.030
Si (%) <=1.00 <=1.00
Cr (%) 21.0-23.0 21.5-24.0
Ni (%) 2.0-4.0 1.00-3.00
Mo (%) 0.30-1.30 <=0.50
N (%) 0.15-0.25 0.12-0.20
Cu (%) 0.20-1.20 1.60-3.00
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 S82121 EN 10088-1 X2CrCuNiN23-2-2
Tensile Strength >=650 MPa Not specified
Yield Strength >=450 MPa Not specified
Elongation >=25% Not specified
Hardness <=286 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S82121
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X2CrCuNiN23-2-2
Not documented
Can ASTM A240/A240M S82121 Be Substituted With EN 10088-1 X2CrCuNiN23-2-2?
ASTM A240/A240M S82121 and EN 10088-1 X2CrCuNiN23-2-2 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 S82121
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EN 10088-1 X2CrCuNiN23-2-2
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S82121 and EN 10088-1 X2CrCuNiN23-2-2?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S82121 be substituted with EN 10088-1 X2CrCuNiN23-2-2?
ASTM A240/A240M S82121 and EN 10088-1 X2CrCuNiN23-2-2 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.