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EN 10088-1 X2CrAlSiNb18 vs ASTM A240/A240M S44400

Related Material — 69.9% match based on chemical composition and mechanical property overlap.

EN 10088-1 X2CrAlSiNb18 (EN 10088-1:2014) and ASTM A240/A240M S44400 (ASTM A240/A240M:2025) are both steel grades. Both fall under the Stainless Steel category. EN 10088-1 X2CrAlSiNb18 is defined under European Standard (EN), originating from Europe, while ASTM A240/A240M S44400 is defined under ASTM International, originating from United States.

As per chemical composition, EN 10088-1 X2CrAlSiNb18 vs ASTM A240/A240M S44400 is a 70.7% 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 69.9%.

Frequently Compared With EN 10088-1 X2CrAlSiNb18:
ASTM A959 .- IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4301 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
Match Breakdown
CHEMISTRY MATCH
70.7%
MECHANICAL MATCH
No shared data
OVERALL
69.9%
Specifications
Property EN 10088-1 X2CrAlSiNb18 ASTM A240/A240M S44400
Standard EN 10088-1:2014 ASTM A240/A240M:2025
Category Stainless Steel Stainless Steel
C (%) <=0.030 <=0.025
Si (%) 0.20-1.50 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.050 <=0.040
S (%) <=0.050 <=0.030
Cr (%) 17.5-18.5 17.5-19.5
Mo (%) <=0.50 1.75-2.50
Ni (%) <=0.50 <=1.00
Al (%) 0.20-1.50 Not specified
Cu (%) <=0.50 Not specified
N (%) Not specified <=0.035
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 X2CrAlSiNb18 ASTM A240/A240M S44400
Tensile Strength Not specified >=415 MPa
Yield Strength Not specified >=275 MPa
Elongation Not specified >=20%
Hardness Not specified <=217 HB
Condition Not specified Plate, sheet and strip; yield by 0.2 percent offset
Typical Applications
EN 10088-1 X2CrAlSiNb18
Not documented
ASTM A240/A240M S44400
Pressure vessels and general applications (plate, sheet and strip)
Key Differences
Can EN 10088-1 X2CrAlSiNb18 Be Substituted With ASTM A240/A240M S44400?
EN 10088-1 X2CrAlSiNb18 and ASTM A240/A240M S44400 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 10088-1 X2CrAlSiNb18
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ASTM A240/A240M S44400
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Frequently Asked Questions
What is the difference between EN 10088-1 X2CrAlSiNb18 and ASTM A240/A240M S44400?
EN 10088-1 X2CrAlSiNb18 specifies Al, Cu which are not specified for ASTM A240/A240M S44400. ASTM A240/A240M S44400 specifies N which is not specified for EN 10088-1 X2CrAlSiNb18.
Can EN 10088-1 X2CrAlSiNb18 be substituted with ASTM A240/A240M S44400?
EN 10088-1 X2CrAlSiNb18 and ASTM A240/A240M S44400 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.