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IS 3748 XT33W9Cr3V4 vs GB/T 1299 4Cr5MoSiV

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

IS 3748 XT33W9Cr3V4 (IS 3748:1990) and GB/T 1299 4Cr5MoSiV (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. IS 3748 XT33W9Cr3V4 is typically used for hot work tools and dies, such as die-casting dies and hot headers, while GB/T 1299 4Cr5MoSiV is commonly used for die casting dies, extrusion tooling. IS 3748 XT33W9Cr3V4 is defined under Bureau of Indian Standards (IS), originating from India, while GB/T 1299 4Cr5MoSiV is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, IS 3748 XT33W9Cr3V4 vs GB/T 1299 4Cr5MoSiV is a 59.7% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 3748 XT33W9Cr3V4:
GB/T 1299 3Cr2W8V IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 GOST 5950 3H2W8F DIN EN ISO 4957 1.2344 DIN EN ISO 4957 1.2379 EN ISO 683-17 100Cr6 IS 3748 133T3 IS 1570 (Part 6) 133T3 EN ISO 4957 1.2316 IS 3748 103T3 IS 3748 118T3
Match Breakdown
CHEMISTRY MATCH
59.7%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property IS 3748 XT33W9Cr3V4 GB/T 1299 4Cr5MoSiV
Standard IS 3748:1990 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.25-0.40 0.32–0.45
Si (%) 0.10-0.35 0.80–1.20
Mn (%) 0.20-0.40 0.20–0.50
Cr (%) 2.80-3.30 4.75–5.50
V (%) 0.25-0.50 0.30–0.60
W (%) 8.0-10.0 Not specified
S (%) <=0.035 Not specified
P (%) <=0.035 Not specified
Mo (%) Not specified 1.10–1.60
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 XT33W9Cr3V4 GB/T 1299 4Cr5MoSiV
Hardness <=245 HB Not specified
Condition Annealed (maximum Brinell hardness) Not specified
Hardness HRC (hardened) Not specified 40–54
Hardness HB (annealed) Not specified ≤235
Typical Applications
IS 3748 XT33W9Cr3V4
Hot work tools and dies, such as die-casting dies and hot headers
GB/T 1299 4Cr5MoSiV
Die casting dies, extrusion tooling
Key Differences
Can IS 3748 XT33W9Cr3V4 Be Substituted With GB/T 1299 4Cr5MoSiV?
IS 3748 XT33W9Cr3V4 and GB/T 1299 4Cr5MoSiV 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 3748 XT33W9Cr3V4
No active listings currently.
GB/T 1299 4Cr5MoSiV
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–2700 mm (98.43–106.3 in)
On M-EX Right Now
IS 3748 XT33W9Cr3V4
0 active listings and RFQs →
GB/T 1299 4Cr5MoSiV
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3748 XT33W9Cr3V4 and GB/T 1299 4Cr5MoSiV?
IS 3748 XT33W9Cr3V4 specifies W, S, P which are not specified for GB/T 1299 4Cr5MoSiV. GB/T 1299 4Cr5MoSiV specifies Mo which is not specified for IS 3748 XT33W9Cr3V4.
Can IS 3748 XT33W9Cr3V4 be substituted with GB/T 1299 4Cr5MoSiV?
IS 3748 XT33W9Cr3V4 and GB/T 1299 4Cr5MoSiV 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.