EN 10088-1 X2CrNiMo18-15-4 vs ASTM A240/A240M S31703

Strong Match — 88.9% match based on chemical composition and mechanical property overlap.

EN 10088-1 X2CrNiMo18-15-4 (EN 10088-1:2014) and ASTM A240/A240M S31703 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. EN 10088-1 X2CrNiMo18-15-4 is defined under European Standard (EN), originating from Europe, while ASTM A240/A240M S31703 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10088-1 X2CrNiMo18-15-4 vs ASTM A240/A240M S31703 is a 88.9% 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 88.9%.

Frequently Compared With EN 10088-1 X2CrNiMo18-15-4:
EN 10088-1 1.4006 EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH
Match Breakdown
CHEMISTRY MATCH
88.9%
MECHANICAL MATCH
No shared data
OVERALL
88.9%
Specifications
Property EN 10088-1 X2CrNiMo18-15-4 ASTM A240/A240M S31703
Standard EN 10088-1:2014 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Si (%) <=1.00 <=0.75
Mn (%) <=2.00 <=2.00
P (%) <=0.045 <=0.045
S (%) <=0.015 <=0.030
Cr (%) 17.5-19.5 18.0-20.0
Mo (%) 3.0-4.0 3.0-4.0
Ni (%) 13.0-16.0 11.0-15.0
N (%) <=0.10 <=0.10
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 X2CrNiMo18-15-4 ASTM A240/A240M S31703
Tensile Strength Not specified >=515 MPa
Yield Strength Not specified >=205 MPa
Elongation Not specified >=40%
Hardness Not specified <=217 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
EN 10088-1 X2CrNiMo18-15-4
Not documented
ASTM A240/A240M S31703
Pressure vessels and general applications (plate, sheet and strip)
Can EN 10088-1 X2CrNiMo18-15-4 Be Substituted With ASTM A240/A240M S31703?
EN 10088-1 X2CrNiMo18-15-4 and ASTM A240/A240M S31703 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S31703 is often considered as a substitute for EN 10088-1 X2CrNiMo18-15-4 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
EN 10088-1 X2CrNiMo18-15-4
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ASTM A240/A240M S31703
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Frequently Asked Questions
What is the difference between EN 10088-1 X2CrNiMo18-15-4 and ASTM A240/A240M S31703?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10088-1 X2CrNiMo18-15-4 be substituted with ASTM A240/A240M S31703?
EN 10088-1 X2CrNiMo18-15-4 and ASTM A240/A240M S31703 overlap closely enough on chemistry and mechanical properties that ASTM A240/A240M S31703 is often considered as a substitute for EN 10088-1 X2CrNiMo18-15-4 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.