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EN 10088-3 X2CrNiMnMoN25-18-6-5 vs ASTM A240/A240M S34565

Related Material — 69.1% match based on chemical composition and mechanical property overlap.

EN 10088-3 X2CrNiMnMoN25-18-6-5 (EN 10088-3:2014) and ASTM A240/A240M S34565 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. EN 10088-3 X2CrNiMnMoN25-18-6-5 is typically used for general purposes, semi-finished products, bars, rods, wire, sections and bright products, while ASTM A240/A240M S34565 is commonly used for pressure vessels and general applications (plate, sheet and strip). EN 10088-3 X2CrNiMnMoN25-18-6-5 is defined under European Standard (EN), originating from Europe, while ASTM A240/A240M S34565 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10088-3 X2CrNiMnMoN25-18-6-5 vs ASTM A240/A240M S34565 is a 87% match. As per mechanical properties, the match is 33.3%. Combined, this makes them a related material overall at 69.1%.

Frequently Compared With EN 10088-3 X2CrNiMnMoN25-18-6-5:
GOST 5632 08X18H10 EN 10088-1 1.4301 ASTM A959 .- GOST 5632 06Kh23N28 EN 10088-1 1.4006 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10
Match Breakdown
CHEMISTRY MATCH
87%
MECHANICAL MATCH
33.3%
OVERALL
69.1%
Specifications
Property EN 10088-3 X2CrNiMnMoN25-18-6-5 ASTM A240/A240M S34565
Standard EN 10088-3:2014 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
Mn (%) 5.0-7.0 5.00-7.00
P (%) <=0.030 <=0.030
S (%) <=0.015 <=0.010
Cr (%) 24.0-26.0 23.0-25.0
Mo (%) 4.0-5.0 4.0-5.0
Ni (%) 16.0-19.0 16.0-18.0
N (%) 0.30-0.60 0.40-0.60
Nb (%) <=0.15 <=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 10088-3 X2CrNiMnMoN25-18-6-5 ASTM A240/A240M S34565
Tensile Strength 800-950 MPa >=795 MPa
Yield Strength >=420 MPa >=415 MPa
Elongation >=35% >=35%
Condition Solution annealed (+AT), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 160 mm; Yield Strength is Rp0.2, Elongation is A (longitudinal), hardness for guidance only Plate, sheet and strip; yield by 0.2 percent offset
Hardness Not specified <=241 HB
Typical Applications
EN 10088-3 X2CrNiMnMoN25-18-6-5
General purposes, semi-finished products, bars, rods, wire, sections and bright products
ASTM A240/A240M S34565
Pressure vessels and general applications (plate, sheet and strip)
Can EN 10088-3 X2CrNiMnMoN25-18-6-5 Be Substituted With ASTM A240/A240M S34565?
EN 10088-3 X2CrNiMnMoN25-18-6-5 and ASTM A240/A240M S34565 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
EN 10088-3 X2CrNiMnMoN25-18-6-5
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ASTM A240/A240M S34565
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Frequently Asked Questions
What is the difference between EN 10088-3 X2CrNiMnMoN25-18-6-5 and ASTM A240/A240M S34565?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can EN 10088-3 X2CrNiMnMoN25-18-6-5 be substituted with ASTM A240/A240M S34565?
EN 10088-3 X2CrNiMnMoN25-18-6-5 and ASTM A240/A240M S34565 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.