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BS 970 (Part 1) 403S17 vs ASTM A959 405

Strong Match — 94.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 403S17 (BS 970 (Part 1):1983) and ASTM A959 405 (ASTM A959:2011) are both steel grades. Both fall under the Stainless Steel category. BS 970 (Part 1) 403S17 is typically used for stainless and heat resisting steel for mechanical and allied engineering purposes (table 13)., while ASTM A959 405 is commonly used for wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1). BS 970 (Part 1) 403S17 is defined under British Standards (BS), originating from United Kingdom, while ASTM A959 405 is defined under ASTM International, originating from United States.

As per chemical composition, BS 970 (Part 1) 403S17 vs ASTM A959 405 is a 94.4% 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 94.4%.

Frequently Compared With BS 970 (Part 1) 403S17:
GOST 5632 06Kh23N28 ASTM A959 .- EN 10088-1 1.4301 EN 10088-1 1.4845 IS 1570 (Part 7) 11Cr17Ni13W3TiH IS 1570 (Part 7) 12Cr12MoH IS 1570 (Part 7) 12Cr12Ni2Mo IS 1570 (Part 7) 12Cr13H GB/T 3280 06Cr19Ni10 GOST 5632 08X18H10 EN 10088-1 1.4006 EN 10088-1 1.4401
Match Breakdown
CHEMISTRY MATCH
94.4%
MECHANICAL MATCH
No shared data
OVERALL
94.4%
Specifications
Property BS 970 (Part 1) 403S17 ASTM A959 405
Standard BS 970 (Part 1):1983 ASTM A959:2011
Category Stainless Steel Stainless Steel
C (%) <=0.08 <=0.08
Si (%) <=1.0 <=1.00
Mn (%) <=1.0 <=1.00
P (%) <=0.040 <=0.040
S (%) <=0.030 <=0.030
Cr (%) 12.0-14.0 11.5-14.5
Ni (%) <=0.50 <=0.50
Al (%) Not specified 0.10-0.30
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
BS 970 (Part 1) 403S17
Stainless and heat resisting steel for mechanical and allied engineering purposes (Table 13).
ASTM A959 405
Wrought stainless steel products; recommended composition limits for adoption by product standards (clause 1.1)
Key Differences
Can BS 970 (Part 1) 403S17 Be Substituted With ASTM A959 405?
BS 970 (Part 1) 403S17 and ASTM A959 405 overlap closely enough on chemistry and mechanical properties that ASTM A959 405 is often considered as a substitute for BS 970 (Part 1) 403S17 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
BS 970 (Part 1) 403S17
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ASTM A959 405
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 403S17 and ASTM A959 405?
ASTM A959 405 specifies Al which is not specified for BS 970 (Part 1) 403S17.
Can BS 970 (Part 1) 403S17 be substituted with ASTM A959 405?
BS 970 (Part 1) 403S17 and ASTM A959 405 overlap closely enough on chemistry and mechanical properties that ASTM A959 405 is often considered as a substitute for BS 970 (Part 1) 403S17 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.