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ASTM A240/A240M N08904 vs EN 10088-1 X1NiCrMoCu25-20-5

Close Alternative — 83.8% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M N08904 (ASTM A240/A240M:2025) and EN 10088-1 X1NiCrMoCu25-20-5 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M N08904 is defined under ASTM International, originating from United States, while EN 10088-1 X1NiCrMoCu25-20-5 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M N08904 vs EN 10088-1 X1NiCrMoCu25-20-5 is a 83.8% 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 83.8%.

Frequently Compared With ASTM A240/A240M N08904:
GB/T 3280 06Cr19Ni10 ASTM A959 .- IS 1570 (Part 7) 11Cr17Ni13W3TiH GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GOST 5632 06Kh23N28 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
83.8%
MECHANICAL MATCH
No shared data
OVERALL
83.8%
Specifications
Property ASTM A240/A240M N08904 EN 10088-1 X1NiCrMoCu25-20-5
Standard ASTM A240/A240M:2025 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.020 <=0.020
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.030
S (%) <=0.035 <=0.010
Si (%) <=1.00 <=0.70
Cr (%) 19.0-23.0 19.0-21.0
Ni (%) 23.0-28.0 24.0-26.0
Mo (%) 4.00-5.00 4.0-5.0
N (%) <=0.10 <=0.15
Cu (%) 1.00-2.00 1.20-2.00
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 N08904 EN 10088-1 X1NiCrMoCu25-20-5
Tensile Strength >=490 MPa Not specified
Yield Strength >=220 MPa Not specified
Elongation >=35% Not specified
Hardness <=90 HRBW Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M N08904
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X1NiCrMoCu25-20-5
Not documented
Can ASTM A240/A240M N08904 Be Substituted With EN 10088-1 X1NiCrMoCu25-20-5?
ASTM A240/A240M N08904 and EN 10088-1 X1NiCrMoCu25-20-5 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 N08904
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EN 10088-1 X1NiCrMoCu25-20-5
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Frequently Asked Questions
What is the difference between ASTM A240/A240M N08904 and EN 10088-1 X1NiCrMoCu25-20-5?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M N08904 be substituted with EN 10088-1 X1NiCrMoCu25-20-5?
ASTM A240/A240M N08904 and EN 10088-1 X1NiCrMoCu25-20-5 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.