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ASTM A240/A240M S38815 vs EN 10088-1 X2CrNiMoN21-9-1

Related Material — 64.5% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S38815 (ASTM A240/A240M:2025) and EN 10088-1 X2CrNiMoN21-9-1 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. ASTM A240/A240M S38815 is defined under ASTM International, originating from United States, while EN 10088-1 X2CrNiMoN21-9-1 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A240/A240M S38815 vs EN 10088-1 X2CrNiMoN21-9-1 is a 64.5% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a related material overall at 64.5%.

Frequently Compared With ASTM A240/A240M S38815:
GOST 5632 08X18H10 EN 10088-1 1.4301 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
64.5%
MECHANICAL MATCH
No shared data
OVERALL
64.5%
Specifications
Property ASTM A240/A240M S38815 EN 10088-1 X2CrNiMoN21-9-1
Standard ASTM A240/A240M:2025 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Mn (%) <=2.00 <=2.00
P (%) <=0.040 <=0.045
S (%) <=0.020 <=0.015
Si (%) 5.50-6.50 <=1.00
Cr (%) 13.0-15.0 19.5-21.5
Ni (%) 15.0-17.0 8.0-9.5
Mo (%) 0.75-1.50 0.50-1.50
Cu (%) 0.75-1.50 <=1.00
Al (%) <=0.30 Not specified
N (%) Not specified 0.14-0.25
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 S38815 EN 10088-1 X2CrNiMoN21-9-1
Tensile Strength >=540 MPa Not specified
Yield Strength >=255 MPa Not specified
Elongation >=30% Not specified
Condition Plate, sheet and strip; yield by 0.2 percent offset Not specified
Typical Applications
ASTM A240/A240M S38815
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X2CrNiMoN21-9-1
Not documented
Key Differences
Can ASTM A240/A240M S38815 Be Substituted With EN 10088-1 X2CrNiMoN21-9-1?
ASTM A240/A240M S38815 and EN 10088-1 X2CrNiMoN21-9-1 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
On M-EX Right Now
ASTM A240/A240M S38815
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EN 10088-1 X2CrNiMoN21-9-1
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Frequently Asked Questions
What is the difference between ASTM A240/A240M S38815 and EN 10088-1 X2CrNiMoN21-9-1?
ASTM A240/A240M S38815 specifies Al which is not specified for EN 10088-1 X2CrNiMoN21-9-1. EN 10088-1 X2CrNiMoN21-9-1 specifies N which is not specified for ASTM A240/A240M S38815.
Can ASTM A240/A240M S38815 be substituted with EN 10088-1 X2CrNiMoN21-9-1?
ASTM A240/A240M S38815 and EN 10088-1 X2CrNiMoN21-9-1 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.