Post Stock Login Register

ASTM A959 631 vs EN 10088-3 X7CrNiAl17-7

Strong Match — 96.1% match based on chemical composition and mechanical property overlap.

ASTM A959 631 (ASTM A959:2011) and EN 10088-3 X7CrNiAl17-7 (EN 10088-3:2014) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 631 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while EN 10088-3 X7CrNiAl17-7 is commonly used for general purposes, semi-finished products, bars, rods, wire, sections and bright products. ASTM A959 631 is defined under ASTM International, originating from United States, while EN 10088-3 X7CrNiAl17-7 is defined under European Standard (EN), originating from Europe.

As per chemical composition, ASTM A959 631 vs EN 10088-3 X7CrNiAl17-7 is a 96.1% 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 96.1%.

Frequently Compared With ASTM A959 631:
ASTM A959 .- IS 1570 (Part 7) 12Cr12MoH EN 10088-1 1.4006 GOST 5632 08X18H10 EN 10088-1 1.4301 EN 10088-1 1.4401 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28
Match Breakdown
CHEMISTRY MATCH
96.1%
MECHANICAL MATCH
No shared data
OVERALL
96.1%
Specifications
Property ASTM A959 631 EN 10088-3 X7CrNiAl17-7
Standard ASTM A959:2011 EN 10088-3:2014
Category Stainless Steel Stainless Steel
Al (%) 0.75-1.50 0.70-1.50
C (%) <=0.09 <=0.09
Cr (%) 16.0-18.0 16.0-18.0
Mn (%) <=1.00 <=1.00
Ni (%) 6.5-7.7 6.5-7.8
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.015
Si (%) <=1.00 <=0.70
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 631 EN 10088-3 X7CrNiAl17-7
Tensile Strength Not specified <=850 MPa
Hardness Not specified <=255 HB
Condition Not specified Solution annealed (+AT), conditions 1C, 1E, 1D, 1X, 1G and 2D, thickness or diameter up to 30 mm; hardness for guidance only
Typical Applications
ASTM A959 631
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
EN 10088-3 X7CrNiAl17-7
General purposes, semi-finished products, bars, rods, wire, sections and bright products
Can ASTM A959 631 Be Substituted With EN 10088-3 X7CrNiAl17-7?
ASTM A959 631 and EN 10088-3 X7CrNiAl17-7 overlap closely enough on chemistry and mechanical properties that EN 10088-3 X7CrNiAl17-7 is often considered as a substitute for ASTM A959 631 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
On M-EX Right Now
ASTM A959 631
0 active listings and RFQs →
EN 10088-3 X7CrNiAl17-7
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between ASTM A959 631 and EN 10088-3 X7CrNiAl17-7?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can ASTM A959 631 be substituted with EN 10088-3 X7CrNiAl17-7?
ASTM A959 631 and EN 10088-3 X7CrNiAl17-7 overlap closely enough on chemistry and mechanical properties that EN 10088-3 X7CrNiAl17-7 is often considered as a substitute for ASTM A959 631 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.