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ASTM A959 XM-2 vs BS 970 (Part 1) 303S42

Strong Match — 85.6% match based on chemical composition and mechanical property overlap.

ASTM A959 XM-2 (ASTM A959:2011) and BS 970 (Part 1) 303S42 (BS 970 (Part 1):1991) are both steel grades. Both fall under the Stainless Steel category. ASTM A959 XM-2 is typically used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1), while BS 970 (Part 1) 303S42 is commonly used for austenitic stainless and heat resisting steel (section five). ASTM A959 XM-2 is defined under ASTM International, originating from United States, while BS 970 (Part 1) 303S42 is defined under British Standards (BS), originating from United Kingdom.

As per chemical composition, ASTM A959 XM-2 vs BS 970 (Part 1) 303S42 is a 85.6% 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 85.6%.

Frequently Compared With ASTM A959 XM-2:
ASTM A959 16-8-2H ASTM A959 .- EN 10088-1 1.4301 IS 1570 (Part 7) 11Cr17Ni13W3TiH GB/T 3280 06Cr19Ni10 EN 10088-1 1.4006 EN 10088-1 1.4401 IS 1570 (Part 7) 12Cr12MoVH GOST 5632 06Kh23N28 GOST 5632 08X18H10 EN 10088-1 1.4845 IS 1570 (Part 7) 12Cr12MoH
Match Breakdown
CHEMISTRY MATCH
85.6%
MECHANICAL MATCH
No shared data
OVERALL
85.6%
Specifications
Property ASTM A959 XM-2 BS 970 (Part 1) 303S42
Standard ASTM A959:2011 BS 970 (Part 1):1991
Category Stainless Steel Stainless Steel
Al (%) 0.60-1.00 Not specified
C (%) <=0.15 <=0.12
Cr (%) 17.0-19.0 17.0-19.0
Mn (%) <=2.00 <=2.0
Mo (%) 0.40-0.60 <=1.00
Ni (%) 8.0-10.0 8.0-10.0
P (%) <=0.05 <=0.060
S (%) 0.11-0.16 <=0.060
Si (%) <=1.00 <=1.0
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 XM-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
ASTM A959 XM-2
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
BS 970 (Part 1) 303S42
Austenitic stainless and heat resisting steel (section five)
Key Differences
Can ASTM A959 XM-2 Be Substituted With BS 970 (Part 1) 303S42?
ASTM A959 XM-2 and BS 970 (Part 1) 303S42 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 303S42 is often considered as a substitute for ASTM A959 XM-2 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 XM-2
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BS 970 (Part 1) 303S42
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Frequently Asked Questions
What is the difference between ASTM A959 XM-2 and BS 970 (Part 1) 303S42?
ASTM A959 XM-2 specifies Al which is not specified for BS 970 (Part 1) 303S42.
Can ASTM A959 XM-2 be substituted with BS 970 (Part 1) 303S42?
ASTM A959 XM-2 and BS 970 (Part 1) 303S42 overlap closely enough on chemistry and mechanical properties that BS 970 (Part 1) 303S42 is often considered as a substitute for ASTM A959 XM-2 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.