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EN 10088-1 X6CrNiCuS18-9-2 vs BS 970 (Part 1) 303S31

Strong Match — 87.6% match based on chemical composition and mechanical property overlap.

EN 10088-1 X6CrNiCuS18-9-2 (EN 10088-1:2023) and BS 970 (Part 1) 303S31 (BS 970 (Part 1):1983) are both steel grades. Both fall under the Stainless Steel category. EN 10088-1 X6CrNiCuS18-9-2 is defined under European Standard (EN), originating from Europe, while BS 970 (Part 1) 303S31 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, EN 10088-1 X6CrNiCuS18-9-2 vs BS 970 (Part 1) 303S31 is a 87.6% 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 87.6%.

Frequently Compared With EN 10088-1 X6CrNiCuS18-9-2:
GOST 5632 06Kh23N28 IS 1570 (Part 7) 12Cr12MoH 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) 12Cr12MoVH IS 1570 (Part 7) 12Cr12Ni2Mo ASTM A959 .- GB/T 3280 06Cr19Ni10 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
87.6%
MECHANICAL MATCH
No shared data
OVERALL
87.6%
Specifications
Property EN 10088-1 X6CrNiCuS18-9-2 BS 970 (Part 1) 303S31
Standard EN 10088-1:2023 BS 970 (Part 1):1983
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.12
Si (%) <=1.00 <=1.0
Mn (%) <=2.00 <=2.0
P (%) <=0.045 <=0.060
S (%) 0.15-0.35 0.15-0.35
Cr (%) 17.0-19.0 17.0-19.0
Mo (%) <=0.60 <=1.00
Ni (%) 8.0-10.0 8.0-10.0
N (%) <=0.10 Not specified
Cu (%) 1.40-1.80 Not specified
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
EN 10088-1 X6CrNiCuS18-9-2
Not documented
BS 970 (Part 1) 303S31
Austenitic stainless and heat resisting steel for mechanical and allied engineering purposes (Table 14, with Table 15 for the cold drawn condition).
Key Differences
Can EN 10088-1 X6CrNiCuS18-9-2 Be Substituted With BS 970 (Part 1) 303S31?
EN 10088-1 X6CrNiCuS18-9-2 and BS 970 (Part 1) 303S31 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 303S31 is often considered as a substitute for EN 10088-1 X6CrNiCuS18-9-2 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
EN 10088-1 X6CrNiCuS18-9-2
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BS 970 (Part 1) 303S31
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Frequently Asked Questions
What is the difference between EN 10088-1 X6CrNiCuS18-9-2 and BS 970 (Part 1) 303S31?
EN 10088-1 X6CrNiCuS18-9-2 specifies N, Cu which are not specified for BS 970 (Part 1) 303S31.
Can EN 10088-1 X6CrNiCuS18-9-2 be substituted with BS 970 (Part 1) 303S31?
EN 10088-1 X6CrNiCuS18-9-2 and BS 970 (Part 1) 303S31 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 303S31 is often considered as a substitute for EN 10088-1 X6CrNiCuS18-9-2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.