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IS 1570 (Part 6) T50NiCrMo4 vs IS 3748 T55NiCrMo3

Close Alternative — 73% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) T50NiCrMo4 (IS 1570 (Part 6):1996) and IS 3748 T55NiCrMo3 (IS 3748:1990) are both steel grades. Both fall under the Tool & Die Steels category. IS 1570 (Part 6) T50NiCrMo4 is defined under Bureau of Indian Standards (IS), originating from India, while IS 3748 T55NiCrMo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 6) T50NiCrMo4 vs IS 3748 T55NiCrMo3 is a 73% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a close alternative overall at 73%.

Frequently Compared With IS 1570 (Part 6) T50NiCrMo4:
EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 GB/T 1299 4Cr5MoSiV EN ISO 4957 1.2316 IS 1570 (Part 6) 133T3 GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 118T3 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS GOST 5950 3H2W8F
Match Breakdown
CHEMISTRY MATCH
73%
MECHANICAL MATCH
No shared data
OVERALL
73%
Specifications
Property IS 1570 (Part 6) T50NiCrMo4 IS 3748 T55NiCrMo3
Standard IS 1570 (Part 6):1996 IS 3748:1990
Category Tool & Die Steels Tool & Die Steels
C (%) 0.45-0.55 0.50-0.60
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.50-0.80 0.50-0.80
Ni (%) 0.80-1.00 1.25-1.75
Cr (%) 0.80-1.00 0.50-0.80
Mo (%) 0.30-0.40 0.25-0.35
P (%) <=0.035 <=0.035
S (%) <=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 1570 (Part 6) T50NiCrMo4 IS 3748 T55NiCrMo3
Hardness Not specified <=255 HB
Condition Not specified Annealed (maximum Brinell hardness)
Typical Applications
IS 1570 (Part 6) T50NiCrMo4
Not documented
IS 3748 T55NiCrMo3
Cold work tools and dies for blanking, trimming, chipping and shearing
Can IS 1570 (Part 6) T50NiCrMo4 Be Substituted With IS 3748 T55NiCrMo3?
IS 1570 (Part 6) T50NiCrMo4 and IS 3748 T55NiCrMo3 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.
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IS 1570 (Part 6) T50NiCrMo4
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IS 3748 T55NiCrMo3
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Frequently Asked Questions
What is the difference between IS 1570 (Part 6) T50NiCrMo4 and IS 3748 T55NiCrMo3?
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) T50NiCrMo4 be substituted with IS 3748 T55NiCrMo3?
IS 1570 (Part 6) T50NiCrMo4 and IS 3748 T55NiCrMo3 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.