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ASTM A959 440A vs EN 10088-3 X55CrMo14

Close Alternative — 73.9% match based on chemical composition and mechanical property overlap.

ASTM A959 440A (ASTM A959:2011) and EN 10088-3 X55CrMo14 (EN 10088-3:2014) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 440A is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while EN 10088-3 X55CrMo14 is commonly used for general purposes, semi-finished products, bars, rods, wire, sections and bright products. ASTM A959 440A is defined under ASTM International, originating from United States, while EN 10088-3 X55CrMo14 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A959 440A vs EN 10088-3 X55CrMo14 is a 73.9% 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 73.9%.

Frequently Compared With ASTM A959 440A:
GOST 5632 06Kh23N28 EN 10088-1 1.4006 GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH ASTM A959 .- GB/T 3280 06Cr19Ni10 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr13H IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo
Match Breakdown
CHEMISTRY MATCH
73.9%
MECHANICAL MATCH
No shared data
OVERALL
73.9%
Specifications
Property ASTM A959 440A EN 10088-3 X55CrMo14
Standard ASTM A959:2011 EN 10088-3:2014
Category Stainless Steel Stainless Steel
C (%) 0.60-0.75 0.48-0.60
Cr (%) 16.0-18.0 13.0-15.0
Mn (%) <=1.00 <=1.00
Mo (%) <=0.75 0.50-0.80
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Si (%) <=1.00 <=1.00
V (%) Not specified <=0.15
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property ASTM A959 440A EN 10088-3 X55CrMo14
Tensile Strength Not specified <=950 MPa
Hardness Not specified <=280 HB
Condition Not specified Annealed (+A), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 100 mm; hardness for guidance only
Typical Applications
ASTM A959 440A
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
EN 10088-3 X55CrMo14
General purposes, semi-finished products, bars, rods, wire, sections and bright products
Key Differences
Can ASTM A959 440A Be Substituted With EN 10088-3 X55CrMo14?
ASTM A959 440A and EN 10088-3 X55CrMo14 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
ASTM A959 440A
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EN 10088-3 X55CrMo14
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Frequently Asked Questions
What is the difference between ASTM A959 440A and EN 10088-3 X55CrMo14?
EN 10088-3 X55CrMo14 specifies V which is not specified for ASTM A959 440A.
Can ASTM A959 440A be substituted with EN 10088-3 X55CrMo14?
ASTM A959 440A and EN 10088-3 X55CrMo14 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.