IS 11169 (Part 1) 21C10BT vs IS 11169 (Part 1) 26C10BT
Strong Match — 92.4% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 21C10BT (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 26C10BT (IS 11169 (Part 1):2022) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 21C10BT is typically used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c), while IS 11169 (Part 1) 26C10BT is commonly used for cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, annex c).
IS 11169 (Part 1) 21C10BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 26C10BT is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 21C10BT vs IS 11169 (Part 1) 26C10BT is a 88.6% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 92.4%.
Frequently Compared With IS 11169 (Part 1) 21C10BT:
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) 21C10BT
IS 11169 (Part 1) 26C10BT
Core Hardness (CH)
>=40 HRC up to 12 mm
>=40 HRC up to 16 mm
Hardness, annealed (+AC)
<=160 HBW
<=160 HBW
Typical Applications
IS 11169 (Part 1) 21C10BT
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
IS 11169 (Part 1) 26C10BT
Cold heading and cold extrusion of parts that are quenched and tempered; the standard covers bars, wire rods and wires of 2 to 100 mm (clause 1.1, Annex C)
Can IS 11169 (Part 1) 21C10BT Be Substituted With IS 11169 (Part 1) 26C10BT?
IS 11169 (Part 1) 21C10BT and IS 11169 (Part 1) 26C10BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 26C10BT is often considered as a substitute for IS 11169 (Part 1) 21C10BT 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) 21C10BT and IS 11169 (Part 1) 26C10BT?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 11169 (Part 1) 21C10BT be substituted with IS 11169 (Part 1) 26C10BT?
IS 11169 (Part 1) 21C10BT and IS 11169 (Part 1) 26C10BT overlap closely enough on chemistry and mechanical properties that IS 11169 (Part 1) 26C10BT is often considered as a substitute for IS 11169 (Part 1) 21C10BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.