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IS 3748 T140W15Cr2 vs GB/T 1299 3Cr2W8V

Minimal Match — 43.9% match based on chemical composition and mechanical property overlap.

IS 3748 T140W15Cr2 (IS 3748:1990) and GB/T 1299 3Cr2W8V (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. IS 3748 T140W15Cr2 is typically used for cold work tools and dies for blanking, trimming, chipping and shearing, while GB/T 1299 3Cr2W8V is commonly used for used for hot forging dies, extrusion dies, die-casting molds, hot punches, and hot shear blades.. IS 3748 T140W15Cr2 is defined under Bureau of Indian Standards (IS), originating from India, while GB/T 1299 3Cr2W8V is defined under Guobiao Standards (GB/T), originating from China.

As per chemical composition, IS 3748 T140W15Cr2 vs GB/T 1299 3Cr2W8V is a 65.9% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 43.9%.

Frequently Compared With IS 3748 T140W15Cr2:
IS 3748 118T3 GOST 5950 3H2W8F EN ISO 4957 1.2316 EN ISO 683-17 100Cr6 IS 3748 103T3 IS 1570 (Part 6) 103T3 IS 1570 (Part 6) 118T3 IS 3748 133T3 IS 1570 (Part 6) 133T3 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2344
Match Breakdown
CHEMISTRY MATCH
65.9%
MECHANICAL MATCH
0%
OVERALL
43.9%
Specifications
Property IS 3748 T140W15Cr2 GB/T 1299 3Cr2W8V
Standard IS 3748:1990 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 1.30-1.50 0.30-0.40
Si (%) 0.10-0.35 0.20-0.40
Mn (%) 0.25-0.50 0.20-0.50
Cr (%) 0.30-0.70 2.20-2.70
W (%) 3.50-4.20 7.50-9.00
S (%) <=0.035 0.030 max
P (%) <=0.035 0.030 max
V (%) Not specified 0.20-0.50
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 T140W15Cr2 GB/T 1299 3Cr2W8V
Hardness <=250 HB 48-54 HRC
Condition Annealed (maximum Brinell hardness) Not specified
Tensile Strength Not specified 1180-1380 MPa
Yield Strength Not specified 980-1180 MPa
Elongation Not specified 10-14%
Typical Applications
IS 3748 T140W15Cr2
Cold work tools and dies for blanking, trimming, chipping and shearing
GB/T 1299 3Cr2W8V
Used for hot forging dies, extrusion dies, die-casting molds, hot punches, and hot shear blades.
Key Differences
Can IS 3748 T140W15Cr2 Be Substituted With GB/T 1299 3Cr2W8V?
IS 3748 T140W15Cr2 and GB/T 1299 3Cr2W8V 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 T140W15Cr2
No active listings currently.
GB/T 1299 3Cr2W8V
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–2900 mm (110.24–114.17 in)
On M-EX Right Now
IS 3748 T140W15Cr2
0 active listings and RFQs →
GB/T 1299 3Cr2W8V
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 3748 T140W15Cr2 and GB/T 1299 3Cr2W8V?
GB/T 1299 3Cr2W8V specifies V which is not specified for IS 3748 T140W15Cr2.
Can IS 3748 T140W15Cr2 be substituted with GB/T 1299 3Cr2W8V?
IS 3748 T140W15Cr2 and GB/T 1299 3Cr2W8V 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.