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EN 10088-1 X9CrMnNiCu17-8-5-2 vs ASTM A240/A240M S20200

Close Alternative — 79.4% match based on chemical composition and mechanical property overlap.

EN 10088-1 X9CrMnNiCu17-8-5-2 (EN 10088-1:2023) and ASTM A240/A240M S20200 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. EN 10088-1 X9CrMnNiCu17-8-5-2 is defined under European Standard (EN), originating from Europe, while ASTM A240/A240M S20200 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10088-1 X9CrMnNiCu17-8-5-2 vs ASTM A240/A240M S20200 is a 79.4% 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 79.4%.

Frequently Compared With EN 10088-1 X9CrMnNiCu17-8-5-2:
ASTM A959 201 ASTM A959 202 GB/T 3280 06Cr19Ni10 ASTM A959 .- GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH GOST 5632 06Kh23N28 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
79.4%
MECHANICAL MATCH
No shared data
OVERALL
79.4%
Specifications
Property EN 10088-1 X9CrMnNiCu17-8-5-2 ASTM A240/A240M S20200
Standard EN 10088-1:2023 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.10 <=0.15
Si (%) <=1.00 <=1.00
Mn (%) 5.5-9.5 7.50-10.00
P (%) <=0.070 <=0.060
S (%) <=0.010 <=0.030
Cr (%) 16.5-18.5 17.0-19.0
Ni (%) 4.5-5.5 4.0-6.0
N (%) <=0.15 <=0.25
Cu (%) 1.00-2.50 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 EN 10088-1 X9CrMnNiCu17-8-5-2 ASTM A240/A240M S20200
Tensile Strength Not specified >=620 MPa
Yield Strength Not specified >=260 MPa
Elongation Not specified >=40%
Hardness Not specified <=241 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
EN 10088-1 X9CrMnNiCu17-8-5-2
Not documented
ASTM A240/A240M S20200
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can EN 10088-1 X9CrMnNiCu17-8-5-2 Be Substituted With ASTM A240/A240M S20200?
EN 10088-1 X9CrMnNiCu17-8-5-2 and ASTM A240/A240M S20200 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
EN 10088-1 X9CrMnNiCu17-8-5-2
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ASTM A240/A240M S20200
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Frequently Asked Questions
What is the difference between EN 10088-1 X9CrMnNiCu17-8-5-2 and ASTM A240/A240M S20200?
EN 10088-1 X9CrMnNiCu17-8-5-2 specifies Cu which is not specified for ASTM A240/A240M S20200.
Can EN 10088-1 X9CrMnNiCu17-8-5-2 be substituted with ASTM A240/A240M S20200?
EN 10088-1 X9CrMnNiCu17-8-5-2 and ASTM A240/A240M S20200 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.