IS 11169 (Part 1) 38Cr4BT vs IS 1570 (Part 4) 38Cr4BT
Strong Match — 96.4% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 38Cr4BT (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 38Cr4BT (IS 1570 (Part 4):1988) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 38Cr4BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 38Cr4BT is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 38Cr4BT vs IS 1570 (Part 4) 38Cr4BT is a 96.4% 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 96.4%.
Frequently Compared With IS 11169 (Part 1) 38Cr4BT:
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) 38Cr4BT
IS 1570 (Part 4) 38Cr4BT
Hardness, annealed (+AC)
<=200 HBW
Not specified
Typical Applications
IS 11169 (Part 1) 38Cr4BT
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 1570 (Part 4) 38Cr4BT
Not documented
Key Differences
IS 11169 (Part 1) 38Cr4BT specifies Cu, Mo, P, S which are not specified for IS 1570 (Part 4) 38Cr4BT.
Can IS 11169 (Part 1) 38Cr4BT Be Substituted With IS 1570 (Part 4) 38Cr4BT?
IS 11169 (Part 1) 38Cr4BT and IS 1570 (Part 4) 38Cr4BT overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 38Cr4BT is often considered as a substitute for IS 11169 (Part 1) 38Cr4BT 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) 38Cr4BT and IS 1570 (Part 4) 38Cr4BT?
IS 11169 (Part 1) 38Cr4BT specifies Cu, Mo, P, S which are not specified for IS 1570 (Part 4) 38Cr4BT.
Can IS 11169 (Part 1) 38Cr4BT be substituted with IS 1570 (Part 4) 38Cr4BT?
IS 11169 (Part 1) 38Cr4BT and IS 1570 (Part 4) 38Cr4BT overlap closely enough on chemistry and mechanical properties that IS 1570 (Part 4) 38Cr4BT is often considered as a substitute for IS 11169 (Part 1) 38Cr4BT in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.