Close Alternative — 84.9% match
based on chemical composition and mechanical property overlap.
IS 3748 55T8 (IS 3748:1990) and IS 3748 70T6 (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 70T6 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 70T6 is defined under Bureau of Indian Standards (IS), originating from India.
As per chemical composition, IS 3748 55T8 vs IS 3748 70T6 is a 89.2% match.
As per mechanical properties, the match is 100%.
Combined, this makes them a close alternative overall at 84.9%.
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 55T8
IS 3748 70T6
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 70T6
Cold work tools and dies for blanking, trimming, chipping and shearing
Can IS 3748 55T8 Be Substituted With IS 3748 70T6?
IS 3748 55T8 and IS 3748 70T6 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.
What is the difference between IS 3748 55T8 and IS 3748 70T6?
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 70T6?
IS 3748 55T8 and IS 3748 70T6 are a close alternative rather than a direct substitute. Some properties overlap well, but check the specific chemistry and mechanical rows above against your application's requirements before treating them as interchangeable.