IS 1570 (Part 4) 35Mn6Mo3 vs IS 1570 (Part 4) 103Cr4
Minimal Match — 35% match
based on chemical composition and mechanical property overlap.
IS 1570 (Part 4) 35Mn6Mo3 (IS 1570 (Part 4):1988) and IS 1570 (Part 4) 103Cr4 (IS 1570 (Part 4):1988) are both steel grades.
Both fall under the Alloy Steel category.
IS 1570 (Part 4) 35Mn6Mo3 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 1570 (Part 4) 35Mn6Mo3 vs IS 1570 (Part 4) 103Cr4 is a 68.6% match.
Mechanical property data is not available for both grades, so this factor could not be scored.
Combined, this makes them a minimal match overall at 35%.
Frequently Compared With IS 1570 (Part 4) 35Mn6Mo3:
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 1570 (Part 4) 35Mn6Mo3
IS 1570 (Part 4) 103Cr4
Tensile Strength
990-1140 MPa
Not specified
Yield Strength
>=750 MPa (0.2 % proof stress)
Not specified
Elongation
>=10%
Not specified
Izod Impact
>=48 J
Not specified
Hardness
285-341 HBS (guidance only)
Not specified
Condition
Bars and forgings, hardened and tempered (oil hardened unless stated), limiting ruling section 30 mm
Not specified
Key Differences
IS 1570 (Part 4) 35Mn6Mo3 specifies Mo which is not specified for IS 1570 (Part 4) 103Cr4.
IS 1570 (Part 4) 103Cr4 specifies Cr which is not specified for IS 1570 (Part 4) 35Mn6Mo3.
Can IS 1570 (Part 4) 35Mn6Mo3 Be Substituted With IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 4) 35Mn6Mo3 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 1570 (Part 4) 35Mn6Mo3 and IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 4) 35Mn6Mo3 specifies Mo which is not specified for IS 1570 (Part 4) 103Cr4. IS 1570 (Part 4) 103Cr4 specifies Cr which is not specified for IS 1570 (Part 4) 35Mn6Mo3.
Can IS 1570 (Part 4) 35Mn6Mo3 be substituted with IS 1570 (Part 4) 103Cr4?
IS 1570 (Part 4) 35Mn6Mo3 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.