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

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

BS 970 (Part 1) 303S42 (BS 970 (Part 1):1991) and EN 10088-1 X6CrNiCuS18-9-2 (EN 10088-1:2023) are both steel grades. Both fall under the Stainless Steel category. BS 970 (Part 1) 303S42 is defined under British Standards (BS), originating from United Kingdom, while EN 10088-1 X6CrNiCuS18-9-2 is defined under European Standard (EN), originating from Europe.

As per chemical composition, BS 970 (Part 1) 303S42 vs EN 10088-1 X6CrNiCuS18-9-2 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 BS 970 (Part 1) 303S42:
ASTM A959 16-8-2H EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12MoVH ASTM A959 .- GB/T 3280 06Cr19Ni10 GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 11Cr17Ni13W3TiH
Match Breakdown
CHEMISTRY MATCH
84.9%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property BS 970 (Part 1) 303S42 EN 10088-1 X6CrNiCuS18-9-2
Standard BS 970 (Part 1):1991 EN 10088-1:2023
Category Stainless Steel Stainless Steel
C (%) <=0.12 <=0.08
Si (%) <=1.0 <=1.00
Mn (%) <=2.0 <=2.00
P (%) <=0.060 <=0.045
S (%) <=0.060 0.15-0.35
Cr (%) 17.0-19.0 17.0-19.0
Mo (%) <=1.00 <=0.60
Ni (%) 8.0-10.0 8.0-10.0
N (%) Not specified <=0.10
Cu (%) Not specified 1.40-1.80
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property BS 970 (Part 1) 303S42 EN 10088-1 X6CrNiCuS18-9-2
Condition Softened, 1000-1100 deg C Not specified
Tensile Strength 510 MPa min Not specified
Yield Strength 190 MPa min (0.2% proof) Not specified
Elongation 40 % min Not specified
Hardness 183 HB max Not specified
Typical Applications
BS 970 (Part 1) 303S42
Austenitic stainless and heat resisting steel (section five)
EN 10088-1 X6CrNiCuS18-9-2
Not documented
Key Differences
Can BS 970 (Part 1) 303S42 Be Substituted With EN 10088-1 X6CrNiCuS18-9-2?
BS 970 (Part 1) 303S42 and EN 10088-1 X6CrNiCuS18-9-2 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
BS 970 (Part 1) 303S42
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EN 10088-1 X6CrNiCuS18-9-2
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 303S42 and EN 10088-1 X6CrNiCuS18-9-2?
EN 10088-1 X6CrNiCuS18-9-2 specifies N, Cu which are not specified for BS 970 (Part 1) 303S42.
Can BS 970 (Part 1) 303S42 be substituted with EN 10088-1 X6CrNiCuS18-9-2?
BS 970 (Part 1) 303S42 and EN 10088-1 X6CrNiCuS18-9-2 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.