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IS 3748 T55Si7Mo3 vs IS 3748 103T3

Minimal Match — 35% match based on chemical composition and mechanical property overlap.

IS 3748 T55Si7Mo3 (IS 3748:1990) and IS 3748 103T3 (IS 3748:1990) are both steel grades. Both fall under the Tool & Die Steels category. IS 3748 T55Si7Mo3 is typically used for cold work tools and dies for blanking, trimming, chipping and shearing, while IS 3748 103T3 is commonly used for cold work tools and dies for blanking, trimming, chipping and shearing. IS 3748 T55Si7Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3748 103T3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 3748 T55Si7Mo3 vs IS 3748 103T3 is a 67.6% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 3748 T55Si7Mo3:
IS 1570 (Part 6) 118T3 EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F DIN EN ISO 4957 1.2344 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2379 IS 3748 118T3 IS 3748 133T3 GB/T 1299 4Cr5MoSiV IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
67.6%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 3748 T55Si7Mo3 IS 3748 103T3
Standard IS 3748:1990 IS 3748:1990
Category Tool & Die Steels Tool & Die Steels
C (%) 0.50-0.60 0.95-1.10
Si (%) 1.50-2.00 0.10-0.30
Mn (%) 0.80-1.00 <=0.40
Mo (%) 0.25-0.40 Not specified
V (%) 0.12-0.20 Not specified
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 T55Si7Mo3 IS 3748 103T3
Hardness <=230 HB <=220 HB
Condition Annealed (maximum Brinell hardness) Annealed (maximum Brinell hardness)
Typical Applications
IS 3748 T55Si7Mo3
Cold work tools and dies for blanking, trimming, chipping and shearing
IS 3748 103T3
Cold work tools and dies for blanking, trimming, chipping and shearing
Key Differences
Can IS 3748 T55Si7Mo3 Be Substituted With IS 3748 103T3?
IS 3748 T55Si7Mo3 and IS 3748 103T3 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.
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IS 3748 T55Si7Mo3
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IS 3748 103T3
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Frequently Asked Questions
What is the difference between IS 3748 T55Si7Mo3 and IS 3748 103T3?
IS 3748 T55Si7Mo3 specifies Mo, V which are not specified for IS 3748 103T3.
Can IS 3748 T55Si7Mo3 be substituted with IS 3748 103T3?
IS 3748 T55Si7Mo3 and IS 3748 103T3 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.