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ASTM A959 444 vs EN 10088-1 X2CrMoSiS18-2-1

Strong Match — 86.7% match based on chemical composition and mechanical property overlap.

ASTM A959 444 (ASTM A959:2011) and EN 10088-1 X2CrMoSiS18-2-1 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 444 is defined under ASTM International, originating from United States, while EN 10088-1 X2CrMoSiS18-2-1 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A959 444 vs EN 10088-1 X2CrMoSiS18-2-1 is a 86.7% 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 86.7%.

Frequently Compared With ASTM A959 444:
EN 10088-1 1.4401 ASTM A959 25-4-4 ASTM A959 26-3-3 GOST 5632 08X18H10 EN 10088-1 1.4301 ASTM A959 29-4C GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH GOST 5632 06Kh23N28 ASTM A959 .-
Match Breakdown
CHEMISTRY MATCH
86.7%
MECHANICAL MATCH
No shared data
OVERALL
86.7%
Specifications
Property ASTM A959 444 EN 10088-1 X2CrMoSiS18-2-1
Standard ASTM A959:2011 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.025 <=0.030
Cr (%) 17.5-19.5 17.5-19.5
Mn (%) <=1.00 <=1.00
Mo (%) 1.75-2.50 1.50-2.50
N (%) <=0.035 Not specified
Ni (%) <=1.00 <=0.75
P (%) <=0.040 <=0.040
S (%) <=0.030 0.15-0.35
Si (%) <=1.00 <=2.50
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
ASTM A959 444
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
EN 10088-1 X2CrMoSiS18-2-1
Not documented
Key Differences
Can ASTM A959 444 Be Substituted With EN 10088-1 X2CrMoSiS18-2-1?
ASTM A959 444 and EN 10088-1 X2CrMoSiS18-2-1 overlap closely enough on chemistry and mechanical properties that EN 10088-1 X2CrMoSiS18-2-1 is often considered as a substitute for ASTM A959 444 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
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ASTM A959 444
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EN 10088-1 X2CrMoSiS18-2-1
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Frequently Asked Questions
What is the difference between ASTM A959 444 and EN 10088-1 X2CrMoSiS18-2-1?
ASTM A959 444 specifies N which is not specified for EN 10088-1 X2CrMoSiS18-2-1.
Can ASTM A959 444 be substituted with EN 10088-1 X2CrMoSiS18-2-1?
ASTM A959 444 and EN 10088-1 X2CrMoSiS18-2-1 overlap closely enough on chemistry and mechanical properties that EN 10088-1 X2CrMoSiS18-2-1 is often considered as a substitute for ASTM A959 444 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.