Related Material — 69.9% match
based on chemical composition and mechanical property overlap.
IS 3748 50T8 (IS 3748:1990) and IS 1570 (Part 6) T55Si7 (IS 1570 (Part 6):1996) are both steel grades.
Both fall under the Tool & Die Steels category.
IS 3748 50T8 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 6) T55Si7 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 3748 50T8 vs IS 1570 (Part 6) T55Si7 is a 85.1% 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 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 50T8
IS 1570 (Part 6) T55Si7
Hardness
<=210 HB
Not specified
Condition
Annealed (maximum Brinell hardness)
Not specified
Typical Applications
IS 3748 50T8
Cold work tools and dies for blanking, trimming, chipping and shearing
IS 1570 (Part 6) T55Si7
Not documented
Can IS 3748 50T8 Be Substituted With IS 1570 (Part 6) T55Si7?
IS 3748 50T8 and IS 1570 (Part 6) T55Si7 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 50T8 and IS 1570 (Part 6) T55Si7?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3748 50T8 be substituted with IS 1570 (Part 6) T55Si7?
IS 3748 50T8 and IS 1570 (Part 6) T55Si7 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.