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IS 3748 XT35Cr5MoV1 vs GB/T 1299 4Cr5MoSiV1

Strong Match — 92.5% match based on chemical composition and mechanical property overlap.

IS 3748 XT35Cr5MoV1 (IS 3748:1990) and GB/T 1299 4Cr5MoSiV1 (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. IS 3748 XT35Cr5MoV1 is typically used for hot work tools and dies, such as die-casting dies and hot headers, while GB/T 1299 4Cr5MoSiV1 is commonly used for die casting dies, forging dies, extrusion tools. IS 3748 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 3748 XT35Cr5MoV1 vs GB/T 1299 4Cr5MoSiV1 is a 88.8% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 92.5%.

Frequently Compared With IS 3748 XT35Cr5MoV1:
IS 3748 103T3 IS 3748 118T3 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 IS 3748 133T3 IS 1570 (Part 6) 133T3 GOST 5950 3H2W8F EN ISO 4957 1.2316 IS 1570 (Part 6) 118T3 GB/T 1299 3Cr2W8V
Match Breakdown
CHEMISTRY MATCH
88.8%
MECHANICAL MATCH
100%
OVERALL
92.5%
Specifications
Property IS 3748 XT35Cr5MoV1 GB/T 1299 4Cr5MoSiV1
Standard IS 3748:1990 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
S (%) <=0.035 Not specified
P (%) <=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 3748 XT35Cr5MoV1 GB/T 1299 4Cr5MoSiV1
Hardness <=235 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Hardness HRC (hardened) Not specified 42–54
Hardness HB (annealed) Not specified ≤235
Typical Applications
IS 3748 XT35Cr5MoV1
Hot work tools and dies, such as die-casting dies and hot headers
GB/T 1299 4Cr5MoSiV1
Die casting dies, forging dies, extrusion tools
Key Differences
Can IS 3748 XT35Cr5MoV1 Be Substituted With GB/T 1299 4Cr5MoSiV1?
IS 3748 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 3748 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 3748 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 3748 XT35Cr5MoV1
0 active listings and RFQs →
GB/T 1299 4Cr5MoSiV1
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3748 XT35Cr5MoV1 and GB/T 1299 4Cr5MoSiV1?
IS 3748 XT35Cr5MoV1 specifies S, P which are not specified for GB/T 1299 4Cr5MoSiV1.
Can IS 3748 XT35Cr5MoV1 be substituted with GB/T 1299 4Cr5MoSiV1?
IS 3748 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 3748 XT35Cr5MoV1 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.