IS 11169 (Part 1) 37C13BT vs IS 1570 (Part 4) 103Cr4
Related Material — 64.3% match
based on chemical composition and mechanical property overlap.
IS 11169 (Part 1) 37C13BT (IS 11169 (Part 1):2022) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades.
Both fall under the Alloy Steel category.
IS 11169 (Part 1) 37C13BT is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 4) 103Cr4 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 11169 (Part 1) 37C13BT vs IS 1570 (Part 4) 103Cr4 is a 64.3% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a related material overall at 64.3%.
Frequently Compared With IS 11169 (Part 1) 37C13BT:
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) 37C13BT
IS 1570 (Part 4) 103Cr4
Core Hardness (CH)
>=48 HRC up to 16 mm
Not specified
Tensile Strength, annealed (+AC)
<=620 MPa (over 5 to 40 mm)
Not specified
Typical Applications
IS 11169 (Part 1) 37C13BT
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) 103Cr4
Not documented
Key Differences
IS 11169 (Part 1) 37C13BT specifies B, Cu, P, S which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 11169 (Part 1) 37C13BT Be Substituted With IS 1570 (Part 4) 103Cr4?
IS 11169 (Part 1) 37C13BT and IS 1570 (Part 4) 103Cr4 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.
What is the difference between IS 11169 (Part 1) 37C13BT and IS 1570 (Part 4) 103Cr4?
IS 11169 (Part 1) 37C13BT specifies B, Cu, P, S which are not specified for IS 1570 (Part 4) 103Cr4.
Can IS 11169 (Part 1) 37C13BT be substituted with IS 1570 (Part 4) 103Cr4?
IS 11169 (Part 1) 37C13BT and IS 1570 (Part 4) 103Cr4 share some compositional similarity but differ enough that substitution should not be assumed. Review the differences above carefully, and consult the applicable standard or a metallurgist before using one in place of the other.