Post Stock Login Register

ASTM A240/A240M S31655 vs EN 10088-1 X2CrNiMoN21-9-1

Strong Match — 100% match based on chemical composition and mechanical property overlap.

ASTM A240/A240M S31655 (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 S31655 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 S31655 vs EN 10088-1 X2CrNiMoN21-9-1 is a 100% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 100%.

Frequently Compared With ASTM A240/A240M S31655:
GOST 5632 06Kh23N28 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
100%
MECHANICAL MATCH
No shared data
OVERALL
100%
Specifications
Property ASTM A240/A240M S31655 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 (%) <=0.045 <=0.045
S (%) <=0.015 <=0.015
Si (%) <=1.00 <=1.00
Cr (%) 19.5-21.5 19.5-21.5
Ni (%) 8.0-9.5 8.0-9.5
Mo (%) 0.50-1.50 0.50-1.50
N (%) 0.14-0.25 0.14-0.25
Cu (%) <=1.00 <=1.00
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 S31655 EN 10088-1 X2CrNiMoN21-9-1
Tensile Strength >=635 MPa Not specified
Yield Strength >=310 MPa Not specified
Elongation >=35% 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 S31655
Pressure vessels and general applications (plate, sheet and strip)
EN 10088-1 X2CrNiMoN21-9-1
Not documented
Can ASTM A240/A240M S31655 Be Substituted With EN 10088-1 X2CrNiMoN21-9-1?
ASTM A240/A240M S31655 and EN 10088-1 X2CrNiMoN21-9-1 overlap closely enough on chemistry and mechanical properties that EN 10088-1 X2CrNiMoN21-9-1 is often considered as a substitute for ASTM A240/A240M S31655 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
ASTM A240/A240M S31655
0 active listings and RFQs →
EN 10088-1 X2CrNiMoN21-9-1
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A240/A240M S31655 and EN 10088-1 X2CrNiMoN21-9-1?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A240/A240M S31655 be substituted with EN 10088-1 X2CrNiMoN21-9-1?
ASTM A240/A240M S31655 and EN 10088-1 X2CrNiMoN21-9-1 overlap closely enough on chemistry and mechanical properties that EN 10088-1 X2CrNiMoN21-9-1 is often considered as a substitute for ASTM A240/A240M S31655 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.