IS 11169 (Part 1) 40C15BT vs IS 11169 (Part 1) 35C8BT
Close Alternative — 82% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 40C15BT (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 35C8BT (IS 11169 (Part 1):2022) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 40C15BT 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) 35C8BT 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) 40C15BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 35C8BT is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 40C15BT vs IS 11169 (Part 1) 35C8BT is a 82% 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 82%.
Frequently Compared With IS 11169 (Part 1) 40C15BT:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Typical Applications
IS 11169 (Part 1) 40C15BT
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) 35C8BT
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) 40C15BT Be Substituted With IS 11169 (Part 1) 35C8BT?
IS 11169 (Part 1) 40C15BT and IS 11169 (Part 1) 35C8BT 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.
What is the difference between IS 11169 (Part 1) 40C15BT and IS 11169 (Part 1) 35C8BT?
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) 40C15BT be substituted with IS 11169 (Part 1) 35C8BT?
IS 11169 (Part 1) 40C15BT and IS 11169 (Part 1) 35C8BT 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.