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EN 10088-1 X6CrNiCuS18-9-2 vs BS 970 (Part 1) 303S42

Close Alternative — 84.9% match based on chemical composition and mechanical property overlap.

EN 10088-1 X6CrNiCuS18-9-2 (EN 10088-1:2023) and BS 970 (Part 1) 303S42 (BS 970 (Part 1):1991) 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) 303S42 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) 303S42 is a 84.9% 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 84.9%.

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
84.9%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property EN 10088-1 X6CrNiCuS18-9-2 BS 970 (Part 1) 303S42
Standard EN 10088-1:2023 BS 970 (Part 1):1991
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 <=0.060
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.
Mechanical Properties
Property EN 10088-1 X6CrNiCuS18-9-2 BS 970 (Part 1) 303S42
Condition Not specified Softened, 1000-1100 deg C
Tensile Strength Not specified 510 MPa min
Yield Strength Not specified 190 MPa min (0.2% proof)
Elongation Not specified 40 % min
Hardness Not specified 183 HB max
Typical Applications
EN 10088-1 X6CrNiCuS18-9-2
Not documented
BS 970 (Part 1) 303S42
Austenitic stainless and heat resisting steel (section five)
Key Differences
Can EN 10088-1 X6CrNiCuS18-9-2 Be Substituted With BS 970 (Part 1) 303S42?
EN 10088-1 X6CrNiCuS18-9-2 and BS 970 (Part 1) 303S42 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 10088-1 X6CrNiCuS18-9-2
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BS 970 (Part 1) 303S42
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Frequently Asked Questions
What is the difference between EN 10088-1 X6CrNiCuS18-9-2 and BS 970 (Part 1) 303S42?
EN 10088-1 X6CrNiCuS18-9-2 specifies N, Cu which are not specified for BS 970 (Part 1) 303S42.
Can EN 10088-1 X6CrNiCuS18-9-2 be substituted with BS 970 (Part 1) 303S42?
EN 10088-1 X6CrNiCuS18-9-2 and BS 970 (Part 1) 303S42 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.