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ASTM A240/A240M S30103 vs EN 10088-1 X4CrNiCu18-7

Close Alternative — 84.2% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S30103 (ASTM A240/A240M:2025) and EN 10088-1 X4CrNiCu18-7 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S30103 is defined under ASTM International, originating from United States, while EN 10088-1 X4CrNiCu18-7 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S30103 vs EN 10088-1 X4CrNiCu18-7 is a 84.2% 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 84.2%.

Frequently Compared With ASTM A240/A240M S30103:
EN 10088-1 1.4006 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4401 EN 10088-1 1.4845 GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
84.2%
MECHANICAL MATCH
No shared data
OVERALL
84.2%
Specifications
Property ASTM A240/A240M S30103 EN 10088-1 X4CrNiCu18-7
Standard ASTM A240/A240M:2025 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.03 <=0.05
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=1.00
Cr (%) 16.0-18.0 17.0-19.0
Ni (%) 6.0-8.0 6.0-8.0
N (%) <=0.20 0.05-0.15
Cu (%) Not specified 0.50-2.00
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 S30103 EN 10088-1 X4CrNiCu18-7
Tensile Strength >=550 MPa Not specified
Yield Strength >=220 MPa Not specified
Elongation >=45% Not specified
Hardness <=241 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S30103
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X4CrNiCu18-7
Not documented
Key Differences
Can ASTM A240/A240M S30103 Be Substituted With EN 10088-1 X4CrNiCu18-7?
ASTM A240/A240M S30103 and EN 10088-1 X4CrNiCu18-7 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 S30103
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EN 10088-1 X4CrNiCu18-7
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S30103 and EN 10088-1 X4CrNiCu18-7?
EN 10088-1 X4CrNiCu18-7 specifies Cu which is not specified for ASTM A240/A240M S30103.
Can ASTM A240/A240M S30103 be substituted with EN 10088-1 X4CrNiCu18-7?
ASTM A240/A240M S30103 and EN 10088-1 X4CrNiCu18-7 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.