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BS 970 (Part 1) 805A17 vs IS 11169 (Part 1) 17Ni2Cr2Mo2

Strong Match — 91.4% match based on chemical composition and mechanical property overlap.

BS 970 (Part 1) 805A17 (BS 970 (Part 1):1983) and IS 11169 (Part 1) 17Ni2Cr2Mo2 (IS 11169 (Part 1):2022) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 805A17 is typically used for case hardening steel for mechanical and allied engineering purposes (table 11 mechanical properties)., while IS 11169 (Part 1) 17Ni2Cr2Mo2 is commonly used for cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex b). BS 970 (Part 1) 805A17 is defined under British Standards (BS), originating from United Kingdom, while IS 11169 (Part 1) 17Ni2Cr2Mo2 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 805A17 vs IS 11169 (Part 1) 17Ni2Cr2Mo2 is a 91.4% 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 91.4%.

Frequently Compared With BS 970 (Part 1) 805A17:
IS 1570 (Part 4) 10Cr20Mo6 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 11169 (Part 1) 10Ni5Cr4 NF A35-565 100C6 IS 1570 (Part 4) 105Cr5 IS 1570 (Part 4) 10Mo6 IS 1570 (Part 4) 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 4367 10Cr9Mo10 IS 4367 07Cr4Mo6
Match Breakdown
CHEMISTRY MATCH
91.4%
MECHANICAL MATCH
No shared data
OVERALL
91.4%
Specifications
Property BS 970 (Part 1) 805A17 IS 11169 (Part 1) 17Ni2Cr2Mo2
Standard BS 970 (Part 1):1983 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.15-0.20 0.15-0.20
Mn (%) 0.70-0.90 0.70-0.90
Cr (%) 0.40-0.60 0.40-0.60
Mo (%) 0.15-0.25 0.15-0.25
Ni (%) 0.40-0.70 0.40-0.70
P (%) <=0.035 <=0.030
S (%) <=0.040 <=0.040
Cu (%) Not specified <=0.35
Si (%) Not specified 0.15-0.35
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) 805A17
Case hardening steel for mechanical and allied engineering purposes (Table 11 mechanical properties).
IS 11169 (Part 1) 17Ni2Cr2Mo2
Cold heading and cold extrusion of parts that are case hardened; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex B)
Key Differences
Can BS 970 (Part 1) 805A17 Be Substituted With IS 11169 (Part 1) 17Ni2Cr2Mo2?
BS 970 (Part 1) 805A17 and IS 11169 (Part 1) 17Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 17Ni2Cr2Mo2 is often considered as a substitute for BS 970 (Part 1) 805A17 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) 805A17
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IS 11169 (Part 1) 17Ni2Cr2Mo2
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 805A17 and IS 11169 (Part 1) 17Ni2Cr2Mo2?
IS 11169 (Part 1) 17Ni2Cr2Mo2 specifies Cu, Si which are not specified for BS 970 (Part 1) 805A17.
Can BS 970 (Part 1) 805A17 be substituted with IS 11169 (Part 1) 17Ni2Cr2Mo2?
BS 970 (Part 1) 805A17 and IS 11169 (Part 1) 17Ni2Cr2Mo2 overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 17Ni2Cr2Mo2 is often considered as a substitute for BS 970 (Part 1) 805A17 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.