IS 11169 (Part 1) 38C8BT vs IS 11169 (Part 1) 30C10BT
Close Alternative — 74.6% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 38C8BT (IS 11169 (Part 1):2022) and IS 11169 (Part 1) 30C10BT (IS 11169 (Part 1):2022) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 38C8BT 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) 30C10BT 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) 38C8BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 11169 (Part 1) 30C10BT is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 38C8BT vs IS 11169 (Part 1) 30C10BT is a 86.9% match.
As per mechanical properties, the match is 50%.
Combined, this makes them a close alternative overall at 74.6%.
Frequently Compared With IS 11169 (Part 1) 38C8BT:
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) 38C8BT
IS 11169 (Part 1) 30C10BT
Core Hardness (CH)
>=48 HRC up to 11 mm
>=44 HRC up to 14 mm
Tensile Strength, annealed (+AC)
<=570 MPa (over 5 to 40 mm)
<=570 MPa (over 5 to 40 mm)
Typical Applications
IS 11169 (Part 1) 38C8BT
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) 30C10BT
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) 38C8BT Be Substituted With IS 11169 (Part 1) 30C10BT?
IS 11169 (Part 1) 38C8BT and IS 11169 (Part 1) 30C10BT 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) 38C8BT and IS 11169 (Part 1) 30C10BT?
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) 38C8BT be substituted with IS 11169 (Part 1) 30C10BT?
IS 11169 (Part 1) 38C8BT and IS 11169 (Part 1) 30C10BT 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.