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BS 970 (Part 1) 170H36 vs IS 11169 (Part 1) 20C10BT

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

BS 970 (Part 1) 170H36 (BS 970 (Part 1):1983) and IS 11169 (Part 1) 20C10BT (IS 11169 (Part 1):2022) are both steel grades. Both fall under the Alloy Steel category. BS 970 (Part 1) 170H36 is typically used for through hardening steel for mechanical and allied engineering purposes (table 6 gives composition only; see the hardenability tables)., while IS 11169 (Part 1) 20C10BT 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) 170H36 is defined under British Standards (BS), originating from United Kingdom, while IS 11169 (Part 1) 20C10BT is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, BS 970 (Part 1) 170H36 vs IS 11169 (Part 1) 20C10BT 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) 170H36:
IS 4367 07Cr4Mo6 IS 1570 (Part 7) 10Cr36Mo10H IS 1570 (Part 4) 10Mo6 IS 1570 (Part 7) 10Mo6H IS 11169 (Part 1) 10Ni5Cr4 UNI 11234 100Cr6 IS 1570 (Part 4) 103Cr4 IS 1570 (Part 4) 103Cr6 IS 1570 (Part 4) 10Cr20Mo6 IS 4367 10Cr9Mo10 IS 1570 (Part 4) 07Cr4Mo6 NF A35-565 100C6
Match Breakdown
CHEMISTRY MATCH
84.9%
MECHANICAL MATCH
No shared data
OVERALL
84.9%
Specifications
Property BS 970 (Part 1) 170H36 IS 11169 (Part 1) 20C10BT
Standard BS 970 (Part 1):1983 IS 11169 (Part 1):2022
Category Alloy Steel Alloy Steel
C (%) 0.32-0.39 0.17-0.24
Mn (%) 0.80-1.10 0.80-1.15
B (%) 0.0005-0.005 0.0008-0.005
P (%) <=0.035 <=0.035
S (%) <=0.040 <=0.035
Si (%) Not specified <=0.40
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) 170H36
Through hardening steel for mechanical and allied engineering purposes (Table 6 gives composition only; see the hardenability tables).
IS 11169 (Part 1) 20C10BT
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) 170H36 Be Substituted With IS 11169 (Part 1) 20C10BT?
BS 970 (Part 1) 170H36 and IS 11169 (Part 1) 20C10BT 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) 170H36
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IS 11169 (Part 1) 20C10BT
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Frequently Asked Questions
What is the difference between BS 970 (Part 1) 170H36 and IS 11169 (Part 1) 20C10BT?
IS 11169 (Part 1) 20C10BT specifies Si which is not specified for BS 970 (Part 1) 170H36.
Can BS 970 (Part 1) 170H36 be substituted with IS 11169 (Part 1) 20C10BT?
BS 970 (Part 1) 170H36 and IS 11169 (Part 1) 20C10BT 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.