Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
IS 3748 103T3 (IS 3748:1990) and IS 3748 70T3 (IS 3748:1990) are both steel grades.
Both fall under the Tool & Die Steels category.
IS 3748 103T3 is typically used for cold work tools and dies for blanking, trimming, chipping and shearing, while IS 3748 70T3 is commonly used for cold work tools and dies for blanking, trimming, chipping and shearing.
IS 3748 103T3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3748 70T3 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 3748 103T3 vs IS 3748 70T3 is a 91.9% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a related material overall at 69.9%.
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property
IS 3748 103T3
IS 3748 70T3
Hardness
<=220 HB
<=220 HB
Condition
Annealed (maximum Brinell hardness)
Annealed (maximum Brinell hardness)
Typical Applications
IS 3748 103T3
Cold work tools and dies for blanking, trimming, chipping and shearing
IS 3748 70T3
Cold work tools and dies for blanking, trimming, chipping and shearing
Can IS 3748 103T3 Be Substituted With IS 3748 70T3?
IS 3748 103T3 and IS 3748 70T3 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 3748 103T3 and IS 3748 70T3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3748 103T3 be substituted with IS 3748 70T3?
IS 3748 103T3 and IS 3748 70T3 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.