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ASTM A240/A240M S20433 vs EN 10088-1 X12CrMnNiN18-9-5

Close Alternative — 77.5% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S20433 (ASTM A240/A240M:2025) and EN 10088-1 X12CrMnNiN18-9-5 (EN 10088-1:2014) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S20433 is defined under ASTM International, originating from United States, while EN 10088-1 X12CrMnNiN18-9-5 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S20433 vs EN 10088-1 X12CrMnNiN18-9-5 is a 77.5% 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 77.5%.

Frequently Compared With ASTM A240/A240M S20433:
EN 10088-1 1.4845 GOST 5632 08X18H10 ASTM A959 201 ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
77.5%
MECHANICAL MATCH
No shared data
OVERALL
77.5%
Specifications
Property ASTM A240/A240M S20433 EN 10088-1 X12CrMnNiN18-9-5
Standard ASTM A240/A240M:2025 EN 10088-1:2014
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.15
Mn (%) 5.50-7.50 7.5-10.5
P (%) <=0.045 <=0.045
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=1.00
Cr (%) 17.0-18.0 17.0-19.0
Ni (%) 3.5-5.5 4.0-6.0
N (%) 0.10-0.25 0.05-0.25
Cu (%) 1.50-3.50 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 ASTM A240/A240M S20433 EN 10088-1 X12CrMnNiN18-9-5
Tensile Strength >=550 MPa Not specified
Yield Strength >=240 MPa Not specified
Elongation >=40% Not specified
Hardness <=217 HB Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S20433
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X12CrMnNiN18-9-5
Not documented
Key Differences
Can ASTM A240/A240M S20433 Be Substituted With EN 10088-1 X12CrMnNiN18-9-5?
ASTM A240/A240M S20433 and EN 10088-1 X12CrMnNiN18-9-5 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 S20433
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EN 10088-1 X12CrMnNiN18-9-5
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S20433 and EN 10088-1 X12CrMnNiN18-9-5?
ASTM A240/A240M S20433 specifies Cu which is not specified for EN 10088-1 X12CrMnNiN18-9-5.
Can ASTM A240/A240M S20433 be substituted with EN 10088-1 X12CrMnNiN18-9-5?
ASTM A240/A240M S20433 and EN 10088-1 X12CrMnNiN18-9-5 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.