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IS 3748 XT35Cr5Mo1V3 vs GB/T 1299 4Cr5MoSiV1

Strong Match — 90.7% match based on chemical composition and mechanical property overlap.

IS 3748 XT35Cr5Mo1V3 (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 XT35Cr5Mo1V3 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 XT35Cr5Mo1V3 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 XT35Cr5Mo1V3 vs GB/T 1299 4Cr5MoSiV1 is a 86.1% match. As per mechanical properties, the match is 100%. Combined, this makes them a strong match overall at 90.7%.

Frequently Compared With IS 3748 XT35Cr5Mo1V3:
GB/T 1299 4Cr5MoSiV EN ISO 683-17 100Cr6 IS 1570 (Part 6) 103T3 IS 3748 118T3 IS 1570 (Part 6) 133T3 GB/T 1299 3Cr2W8V EN ISO 4957 1.2316 DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 IS 3748 103T3 IS 1570 (Part 6) 118T3 IS 3748 133T3
Match Breakdown
CHEMISTRY MATCH
86.1%
MECHANICAL MATCH
100%
OVERALL
90.7%
Specifications
Property IS 3748 XT35Cr5Mo1V3 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 (%) 0.20-0.40 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 XT35Cr5Mo1V3 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 XT35Cr5Mo1V3
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 XT35Cr5Mo1V3 Be Substituted With GB/T 1299 4Cr5MoSiV1?
IS 3748 XT35Cr5Mo1V3 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 XT35Cr5Mo1V3 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 XT35Cr5Mo1V3
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 XT35Cr5Mo1V3
0 active listings and RFQs →
GB/T 1299 4Cr5MoSiV1
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3748 XT35Cr5Mo1V3 and GB/T 1299 4Cr5MoSiV1?
IS 3748 XT35Cr5Mo1V3 specifies S, P which are not specified for GB/T 1299 4Cr5MoSiV1.
Can IS 3748 XT35Cr5Mo1V3 be substituted with GB/T 1299 4Cr5MoSiV1?
IS 3748 XT35Cr5Mo1V3 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 XT35Cr5Mo1V3 in many applications. Always confirm the specific property range your application needs before substituting, and check with your supplier's mill certificate.