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IS 1570 (Part 6) XT35Cr5MoV1 vs GB/T 1299 4Cr5MoSiV1

Strong Match — 88.8% match based on chemical composition and mechanical property overlap.

IS 1570 (Part 6) XT35Cr5MoV1 (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) XT35Cr5MoV1 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) XT35Cr5MoV1 vs GB/T 1299 4Cr5MoSiV1 is a 88.8% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a strong match overall at 88.8%.

Frequently Compared With IS 1570 (Part 6) XT35Cr5MoV1:
GOST 5950 4H5MFS1 DIN EN ISO 4957 1.2344 GOST 5950 4H5MFS IS 1570 (Part 6) 118T3 EN ISO 4957 1.2316 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 103T3 GB/T 1299 3Cr2W8V GOST 5950 3H2W8F EN ISO 683-17 100Cr6 IS 1570 (Part 6) 133T3
Match Breakdown
CHEMISTRY MATCH
88.8%
MECHANICAL MATCH
No shared data
OVERALL
88.8%
Specifications
Property IS 1570 (Part 6) XT35Cr5MoV1 GB/T 1299 4Cr5MoSiV1
Standard IS 1570 (Part 6):1996 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.30-0.40 0.32–0.45
Si (%) 0.80-1.20 0.80–1.20
Mn (%) 0.25-0.50 0.20–0.50
Cr (%) 4.75-5.50 4.75–5.50
Mo (%) 1.20-1.60 1.20–1.75
V (%) 1.00-1.20 0.80–1.20
P (%) <=0.035 Not specified
S (%) <=0.035 Not specified
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) XT35Cr5MoV1 GB/T 1299 4Cr5MoSiV1
Hardness HRC (hardened) Not specified 42–54
Hardness HB (annealed) Not specified ≤235
Typical Applications
IS 1570 (Part 6) XT35Cr5MoV1
Not documented
GB/T 1299 4Cr5MoSiV1
Die casting dies, forging dies, extrusion tools
Key Differences
Can IS 1570 (Part 6) XT35Cr5MoV1 Be Substituted With GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) XT35Cr5MoV1 and GB/T 1299 4Cr5MoSiV1 overlap closely enough on chemistry and mechanical properties that GB/T 1299 4Cr5MoSiV1 is often considered as a substitute for IS 1570 (Part 6) XT35Cr5MoV1 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.
Forms & Sizes Available on M-EX
IS 1570 (Part 6) XT35Cr5MoV1
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) XT35Cr5MoV1
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) XT35Cr5MoV1 and GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) XT35Cr5MoV1 specifies P, S which are not specified for GB/T 1299 4Cr5MoSiV1.
Can IS 1570 (Part 6) XT35Cr5MoV1 be substituted with GB/T 1299 4Cr5MoSiV1?
IS 1570 (Part 6) XT35Cr5MoV1 and GB/T 1299 4Cr5MoSiV1 overlap closely enough on chemistry and mechanical properties that GB/T 1299 4Cr5MoSiV1 is often considered as a substitute for IS 1570 (Part 6) XT35Cr5MoV1 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.