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IS 1570 (Part 6) 70T3 vs GB/T 1299 4Cr5MoSiV1

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

IS 1570 (Part 6) 70T3 (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) 70T3 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) 70T3 vs GB/T 1299 4Cr5MoSiV1 is a 51.4% 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) 70T3:
IS 1570 (Part 6) 70T6 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 50T8 IS 1570 (Part 6) 65T6 IS 1570 (Part 6) 75T6 EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 55T8 IS 1570 (Part 6) 60T6 DIN EN ISO 4957 1.2379
Match Breakdown
CHEMISTRY MATCH
51.4%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 1570 (Part 6) 70T3 GB/T 1299 4Cr5MoSiV1
Standard IS 1570 (Part 6):1996 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.65-0.75 0.32–0.45
Si (%) 0.10-0.30 0.80–1.20
Mn (%) <=0.40 0.20–0.50
P (%) <=0.035 Not specified
S (%) <=0.035 Not specified
Cr (%) <=0.20 4.75–5.50
Cu (%) <=0.25 Not specified
Ni (%) <=0.25 Not specified
Mo (%) Not specified 1.20–1.75
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) 70T3 GB/T 1299 4Cr5MoSiV1
Hardness HRC (hardened) Not specified 42–54
Hardness HB (annealed) Not specified ≤235
Typical Applications
IS 1570 (Part 6) 70T3
Not documented
GB/T 1299 4Cr5MoSiV1
Die casting dies, forging dies, extrusion tools
Key Differences
Can IS 1570 (Part 6) 70T3 Be Substituted With GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) 70T3 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) 70T3
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) 70T3
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) 70T3 and GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) 70T3 specifies P, S, Cu, Ni which are not specified for GB/T 1299 4Cr5MoSiV1. GB/T 1299 4Cr5MoSiV1 specifies Mo, V which are not specified for IS 1570 (Part 6) 70T3.
Can IS 1570 (Part 6) 70T3 be substituted with GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) 70T3 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.