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IS 1570 (Part 6) T40Ni6Cr4Mo3 vs GB/T 1299 4Cr5MoSiV1

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

IS 1570 (Part 6) T40Ni6Cr4Mo3 (IS 1570 (Part 6):1996) and GB/T 1299 4Cr5MoSiV1 (GB/T 1299-2014) 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 GB/T 1299 4Cr5MoSiV1 is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, IS 1570 (Part 6) T40Ni6Cr4Mo3 vs GB/T 1299 4Cr5MoSiV1 is a 57% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 1570 (Part 6) T40Ni6Cr4Mo3:
GB/T 1299 3Cr2W8V EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 133T3 GB/T 1299 4Cr5MoSiV GOST 5950 4H5MFS1 IS 1570 (Part 6) 103T3 GOST 5950 4H5MFS IS 1570 (Part 6) 118T3 GOST 5950 3H2W8F
Match Breakdown
CHEMISTRY MATCH
57%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 1570 (Part 6) T40Ni6Cr4Mo3 GB/T 1299 4Cr5MoSiV1
Standard IS 1570 (Part 6):1996 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.35-0.45 0.32–0.45
Si (%) 0.10-0.35 0.80–1.20
Mn (%) 0.40-0.70 0.20–0.50
Ni (%) 1.25-1.75 Not specified
Cr (%) 0.90-1.30 4.75–5.50
Mo (%) 0.20-0.35 1.20–1.75
P (%) <=0.035 Not specified
S (%) <=0.035 Not specified
V (%) Not specified 0.80–1.20
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) T40Ni6Cr4Mo3 GB/T 1299 4Cr5MoSiV1
Hardness HRC (hardened) Not specified 42–54
Hardness HB (annealed) Not specified ≤235
Typical Applications
IS 1570 (Part 6) T40Ni6Cr4Mo3
Not documented
GB/T 1299 4Cr5MoSiV1
Die casting dies, forging dies, extrusion tools
Key Differences
Can IS 1570 (Part 6) T40Ni6Cr4Mo3 Be Substituted With GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) T40Ni6Cr4Mo3 and GB/T 1299 4Cr5MoSiV1 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.
Forms & Sizes Available on M-EX
IS 1570 (Part 6) T40Ni6Cr4Mo3
No active listings currently.
GB/T 1299 4Cr5MoSiV1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2700–4100 mm (106.3–161.42 in)
On M-EX Right Now
IS 1570 (Part 6) T40Ni6Cr4Mo3
0 active listings and RFQs →
GB/T 1299 4Cr5MoSiV1
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 6) T40Ni6Cr4Mo3 and GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) T40Ni6Cr4Mo3 specifies Ni, P, S which are not specified for GB/T 1299 4Cr5MoSiV1. GB/T 1299 4Cr5MoSiV1 specifies V which is not specified for IS 1570 (Part 6) T40Ni6Cr4Mo3.
Can IS 1570 (Part 6) T40Ni6Cr4Mo3 be substituted with GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) T40Ni6Cr4Mo3 and GB/T 1299 4Cr5MoSiV1 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.