Post Stock Login Register

IS 3748 T55Cr3 vs IS 3748 T45Cr5Si3

Close Alternative — 84.1% match based on chemical composition and mechanical property overlap.

IS 3748 T55Cr3 (IS 3748:1990) and IS 3748 T45Cr5Si3 (IS 3748:1990) are both steel grades. Both fall under the Tool & Die Steels category. IS 3748 T55Cr3 is typically used for cold work tools and dies for blanking, trimming, chipping and shearing, while IS 3748 T45Cr5Si3 is commonly used for cold work tools and dies for blanking, trimming, chipping and shearing. IS 3748 T55Cr3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3748 T45Cr5Si3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 3748 T55Cr3 vs IS 3748 T45Cr5Si3 is a 76.2% match. As per mechanical properties, the match is 100%. Combined, this makes them a close alternative overall at 84.1%.

Frequently Compared With IS 3748 T55Cr3:
EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 IS 3748 118T3 IS 1570 (Part 6) 133T3 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 IS 3748 103T3 IS 1570 (Part 6) 118T3 IS 3748 133T3
Match Breakdown
CHEMISTRY MATCH
76.2%
MECHANICAL MATCH
100%
OVERALL
84.1%
Specifications
Property IS 3748 T55Cr3 IS 3748 T45Cr5Si3
Standard IS 3748:1990 IS 3748:1990
Category Tool & Die Steels Tool & Die Steels
C (%) 0.50-0.60 0.40-0.50
Si (%) 0.10-0.35 0.80-1.10
Mn (%) 0.60-0.80 0.55-0.75
Cr (%) 0.60-0.80 1.20-1.60
S (%) <=0.035 <=0.035
P (%) <=0.035 <=0.035
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 T55Cr3 IS 3748 T45Cr5Si3
Hardness <=230 HB <=230 HB
Condition Annealed (maximum Brinell hardness) Annealed (maximum Brinell hardness)
Typical Applications
IS 3748 T55Cr3
Cold work tools and dies for blanking, trimming, chipping and shearing
IS 3748 T45Cr5Si3
Cold work tools and dies for blanking, trimming, chipping and shearing
Can IS 3748 T55Cr3 Be Substituted With IS 3748 T45Cr5Si3?
IS 3748 T55Cr3 and IS 3748 T45Cr5Si3 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.
On M-EX Right Now
IS 3748 T55Cr3
0 active listings and RFQs →
IS 3748 T45Cr5Si3
0 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3748 T55Cr3 and IS 3748 T45Cr5Si3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3748 T55Cr3 be substituted with IS 3748 T45Cr5Si3?
IS 3748 T55Cr3 and IS 3748 T45Cr5Si3 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.