Strong Match — 92.8% match
based on chemical composition and mechanical property overlap.
IS 3748 55T8 (IS 3748:1990) and IS 3748 65T6 (IS 3748:1990) are both steel grades.
Both fall under the Tool & Die Steels category.
IS 3748 55T8 is typically used for cold work tools and dies for blanking, trimming, chipping and shearing, while IS 3748 65T6 is commonly used for cold work tools and dies for blanking, trimming, chipping and shearing.
IS 3748 55T8 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3748 65T6 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 3748 55T8 vs IS 3748 65T6 is a 89.2% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a strong match overall at 92.8%.
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 55T8
IS 3748 65T6
Hardness
<=220 HB
<=220 HB
Condition
Annealed (maximum Brinell hardness)
Annealed (maximum Brinell hardness)
Typical Applications
IS 3748 55T8
Cold work tools and dies for blanking, trimming, chipping and shearing
IS 3748 65T6
Cold work tools and dies for blanking, trimming, chipping and shearing
Can IS 3748 55T8 Be Substituted With IS 3748 65T6?
IS 3748 55T8 and IS 3748 65T6 overlap closely enough on chemistry and mechanical properties that IS 3748 65T6 is often considered as a substitute for IS 3748 55T8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
What is the difference between IS 3748 55T8 and IS 3748 65T6?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3748 55T8 be substituted with IS 3748 65T6?
IS 3748 55T8 and IS 3748 65T6 overlap closely enough on chemistry and mechanical properties that IS 3748 65T6 is often considered as a substitute for IS 3748 55T8 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.