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