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IS 1570 (Part 6) T55Si7 vs GB/T 1299 3Cr2W8V

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

IS 1570 (Part 6) T55Si7 (IS 1570 (Part 6):1996) and GB/T 1299 3Cr2W8V (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. IS 1570 (Part 6) T55Si7 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 1570 (Part 6) T55Si7 vs GB/T 1299 3Cr2W8V is a 58.7% match. Mechanical property data is not available for both grades, so this factor could not be scored. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With IS 1570 (Part 6) T55Si7:
IS 1570 (Part 6) 55T8 EN ISO 683-17 100Cr6 EN ISO 4957 1.2316 GOST 5950 3H2W8F DIN EN ISO 4957 1.2379 IS 1570 (Part 6) 118T3 IS 1570 (Part 6) 133T3 IS 1570 (Part 6) 60T6 IS 1570 (Part 6) 103T3 GB/T 1299 4Cr5MoSiV IS 1570 (Part 6) 50T8 IS 1570 (Part 6) 65T6
Match Breakdown
CHEMISTRY MATCH
58.7%
MECHANICAL MATCH
No shared data
OVERALL
35%
Specifications
Property IS 1570 (Part 6) T55Si7 GB/T 1299 3Cr2W8V
Standard IS 1570 (Part 6):1996 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 0.50-0.60 0.30-0.40
Si (%) 1.50-2.00 0.20-0.40
Mn (%) 0.80-1.00 0.20-0.50
P (%) <=0.035 0.030 max
S (%) <=0.035 0.030 max
Cr (%) Not specified 2.20-2.70
W (%) Not specified 7.50-9.00
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 1570 (Part 6) T55Si7 GB/T 1299 3Cr2W8V
Tensile Strength Not specified 1180-1380 MPa
Yield Strength Not specified 980-1180 MPa
Elongation Not specified 10-14%
Hardness Not specified 48-54 HRC
Typical Applications
IS 1570 (Part 6) T55Si7
Not documented
GB/T 1299 3Cr2W8V
Used for hot forging dies, extrusion dies, die-casting molds, hot punches, and hot shear blades.
Key Differences
Can IS 1570 (Part 6) T55Si7 Be Substituted With GB/T 1299 3Cr2W8V?
IS 1570 (Part 6) T55Si7 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 1570 (Part 6) T55Si7
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 1570 (Part 6) T55Si7
0 active listings and RFQs →
GB/T 1299 3Cr2W8V
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between IS 1570 (Part 6) T55Si7 and GB/T 1299 3Cr2W8V?
GB/T 1299 3Cr2W8V specifies Cr, W, V which are not specified for IS 1570 (Part 6) T55Si7.
Can IS 1570 (Part 6) T55Si7 be substituted with GB/T 1299 3Cr2W8V?
IS 1570 (Part 6) T55Si7 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.