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IS 3748 T40Ni10Cr3Mo6 vs IS 1570 (Part 6) T40Ni6Cr4Mo3

Close Alternative — 74.1% match based on chemical composition and mechanical property overlap.

IS 3748 T40Ni10Cr3Mo6 (IS 3748:1990) and IS 1570 (Part 6) T40Ni6Cr4Mo3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. IS 3748 T40Ni10Cr3Mo6 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 6) T40Ni6Cr4Mo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 3748 T40Ni10Cr3Mo6 vs IS 1570 (Part 6) T40Ni6Cr4Mo3 is a 74.1% 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 74.1%.

Frequently Compared With IS 3748 T40Ni10Cr3Mo6:
IS 3748 103T3 DIN EN ISO 4957 1.2379 IS 3748 118T3 IS 1570 (Part 6) 103T3 IS 3748 133T3 IS 1570 (Part 6) 133T3 GB/T 1299 3Cr2W8V EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 118T3 GOST 5950 3H2W8F
Match Breakdown
CHEMISTRY MATCH
74.1%
MECHANICAL MATCH
No shared data
OVERALL
74.1%
Specifications
Property IS 3748 T40Ni10Cr3Mo6 IS 1570 (Part 6) T40Ni6Cr4Mo3
Standard IS 3748:1990 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.36-0.44 0.35-0.45
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.40-0.70 0.40-0.70
Ni (%) 2.25-2.75 1.25-1.75
Cr (%) 0.50-0.80 0.90-1.30
Mo (%) 0.40-0.70 0.20-0.35
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 T40Ni10Cr3Mo6 IS 1570 (Part 6) T40Ni6Cr4Mo3
Hardness <=255 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Typical Applications
IS 3748 T40Ni10Cr3Mo6
Cold work tools and dies for blanking, trimming, chipping and shearing
IS 1570 (Part 6) T40Ni6Cr4Mo3
Not documented
Can IS 3748 T40Ni10Cr3Mo6 Be Substituted With IS 1570 (Part 6) T40Ni6Cr4Mo3?
IS 3748 T40Ni10Cr3Mo6 and IS 1570 (Part 6) T40Ni6Cr4Mo3 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 3748 T40Ni10Cr3Mo6
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IS 1570 (Part 6) T40Ni6Cr4Mo3
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Frequently Asked Questions
What is the difference between IS 3748 T40Ni10Cr3Mo6 and IS 1570 (Part 6) T40Ni6Cr4Mo3?
Both grades share a similar composition profile; see the specification table above for the exact chemistry and mechanical property values.
Can IS 3748 T40Ni10Cr3Mo6 be substituted with IS 1570 (Part 6) T40Ni6Cr4Mo3?
IS 3748 T40Ni10Cr3Mo6 and IS 1570 (Part 6) T40Ni6Cr4Mo3 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.