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EN 10088-3 X90CrMoV18 vs ASTM A959 440A

Close Alternative — 72.2% match based on chemical composition and mechanical property overlap.

EN 10088-3 X90CrMoV18 (EN 10088-3:2014) and ASTM A959 440A (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. EN 10088-3 X90CrMoV18 is typically used for general purposes, semi-finished products, bars, rods, wire, sections and bright products, while ASTM A959 440A is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). EN 10088-3 X90CrMoV18 is defined under European Standard (EN), originating from Europe, while ASTM A959 440A is defined under ASTM International, originating from United States.

As per chemical composition, EN 10088-3 X90CrMoV18 vs ASTM A959 440A is a 72.2% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 72.2%.

Frequently Compared With EN 10088-3 X90CrMoV18:
GOST 5632 06Kh23N28 GOST 5632 08X18H10 IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H ASTM A959 .- GB/T 3280 06Cr19Ni10 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
Match Breakdown
CHEMISTRY MATCH
72.2%
MECHANICAL MATCH
No shared data
OVERALL
72.2%
Specifications
Property EN 10088-3 X90CrMoV18 ASTM A959 440A
Standard EN 10088-3:2014 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) 0.85-0.95 0.60-0.75
Si (%) <=1.00 <=1.00
Mn (%) <=1.00 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 17.0-19.0 16.0-18.0
Mo (%) 0.90-1.30 <=0.75
V (%) 0.07-0.12 Not specified
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 X90CrMoV18 ASTM A959 440A
Hardness <=265 HB Not specified
Condition Annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 100 mm; hardness for guidance only Not specified
Typical Applications
EN 10088-3 X90CrMoV18
General purposes, semi-finished products, bars, rods, wire, sections and bright products
ASTM A959 440A
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can EN 10088-3 X90CrMoV18 Be Substituted With ASTM A959 440A?
EN 10088-3 X90CrMoV18 and ASTM A959 440A are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
On M-EX Right Now
EN 10088-3 X90CrMoV18
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ASTM A959 440A
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Frequently Asked Questions
What is the difference between EN 10088-3 X90CrMoV18 and ASTM A959 440A?
EN 10088-3 X90CrMoV18 specifies V which is not specified for ASTM A959 440A.
Can EN 10088-3 X90CrMoV18 be substituted with ASTM A959 440A?
EN 10088-3 X90CrMoV18 and ASTM A959 440A are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.