IS 11169 (Part 1) 20C10BT vs IS 11169 (Part 1) 21C10BT
Strong Match — 88.5% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 20C10BT (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 21C10BT (IS 11169 (Part 1):1984) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 20C10BT is typically 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), while IS 11169 (Part 1) 21C10BT is commonly used for cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1).
IS 11169 (Part 1) 20C10BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 21C10BT is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 20C10BT vs IS 11169 (Part 1) 21C10BT is a 88.5% 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 88.5%.
Frequently Compared With IS 11169 (Part 1) 20C10BT:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 11169 (Part 1) 20C10BT
IS 11169 (Part 1) 21C10BT
Hardness, annealed
Not specified
<=160 HB
Typical Applications
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)
IS 11169 (Part 1) 21C10BT
Cold heading and cold extrusion; the standard covers wires, wire rods and bars of 2 to 100 mm diameter (clause 1.1)
Key Differences
IS 11169 (Part 1) 20C10BT specifies P, S which are not specified for IS 11169 (Part 1) 21C10BT.
Can IS 11169 (Part 1) 20C10BT Be Substituted With IS 11169 (Part 1) 21C10BT?
IS 11169 (Part 1) 20C10BT and IS 11169 (Part 1) 21C10BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 21C10BT is often considered as a substitute for IS 11169 (Part 1) 20C10BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between IS 11169 (Part 1) 20C10BT and IS 11169 (Part 1) 21C10BT?
IS 11169 (Part 1) 20C10BT specifies P, S which are not specified for IS 11169 (Part 1) 21C10BT.
Can IS 11169 (Part 1) 20C10BT be substituted with IS 11169 (Part 1) 21C10BT?
IS 11169 (Part 1) 20C10BT and IS 11169 (Part 1) 21C10BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 21C10BT is often considered as a substitute for IS 11169 (Part 1) 20C10BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.