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IS 1570 (Part 6) T40Ni6Cr4Mo3 vs IS 1570 (Part 6) T55Ni6Cr3Mo3

Close Alternative — 78.4% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) T40Ni6Cr4Mo3 (IS 1570 (Part 6):1996) and IS 1570 (Part 6) T55Ni6Cr3Mo3 (IS 1570 (Part 6):1996) are both steel grades. Both fall under the Tool & Die Steels category. IS 1570 (Part 6) T40Ni6Cr4Mo3 is defined under Bureau of Indian Standards (IS), originating from India, while IS 1570 (Part 6) T55Ni6Cr3Mo3 is defined under Bureau of Indian Standards (IS), originating from India.

As per chemical composition, IS 1570 (Part 6) T40Ni6Cr4Mo3 vs IS 1570 (Part 6) T55Ni6Cr3Mo3 is a 78.4% 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 78.4%.

Frequently Compared With IS 1570 (Part 6) T40Ni6Cr4Mo3:
GB/T 1299 3Cr2W8V GB/T 1299 4Cr5MoSiV1 EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 133T3 GOST 5950 4H5MFS1 GOST 5950 4H5MFS IS 1570 (Part 6) 118T3
Match Breakdown
CHEMISTRY MATCH
78.4%
MECHANICAL MATCH
No shared data
OVERALL
78.4%
Specifications
Property IS 1570 (Part 6) T40Ni6Cr4Mo3 IS 1570 (Part 6) T55Ni6Cr3Mo3
Standard IS 1570 (Part 6):1996 IS 1570 (Part 6):1996
Category Tool & Die Steels Tool & Die Steels
C (%) 0.35-0.45 0.50-0.60
Si (%) 0.10-0.35 0.10-0.35
Mn (%) 0.40-0.70 0.50-0.80
Ni (%) 1.25-1.75 1.25-1.75
Cr (%) 0.90-1.30 0.50-0.80
Mo (%) 0.20-0.35 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.
Can IS 1570 (Part 6) T40Ni6Cr4Mo3 Be Substituted With IS 1570 (Part 6) T55Ni6Cr3Mo3?
IS 1570 (Part 6) T40Ni6Cr4Mo3 and IS 1570 (Part 6) T55Ni6Cr3Mo3 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) T40Ni6Cr4Mo3
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IS 1570 (Part 6) T55Ni6Cr3Mo3
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Frequently Asked Questions
What is the difference between IS 1570 (Part 6) T40Ni6Cr4Mo3 and IS 1570 (Part 6) T55Ni6Cr3Mo3?
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) T40Ni6Cr4Mo3 be substituted with IS 1570 (Part 6) T55Ni6Cr3Mo3?
IS 1570 (Part 6) T40Ni6Cr4Mo3 and IS 1570 (Part 6) T55Ni6Cr3Mo3 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.