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GOST 5950 H12 vs GB/T 1299 3Cr2W8V

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

GOST 5950 H12 (GOST 5950-2000) and GB/T 1299 3Cr2W8V (GB/T 1299-2014) are both steel grades. Both fall under the Tool & Die Steels category. GOST 5950 H12 is typically used for used for cold dies, punches, shear blades, rolls, and forming tools., 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.. GB/T 1299 3Cr2W8V is defined under Guobiao Standards (GB/T) (China).

As per chemical composition, GOST 5950 H12 vs GB/T 1299 3Cr2W8V is a 64.1% match. As per mechanical properties, the match is 1.3%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GOST 5950 H12:
EN ISO 4957 1.2316 GOST 5950 3H2W8F GOST 5950 4H5MFS1 GOST 5950 4H5MFS EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 DIN EN ISO 4957 1.2379 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2344 AISI 52100 IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
64.1%
MECHANICAL MATCH
1.3%
OVERALL
35%
Specifications
Property GOST 5950 H12 GB/T 1299 3Cr2W8V
Standard GOST 5950-2000 GB/T 1299-2014
Category Tool & Die Steels Tool & Die Steels
C (%) 1.9-2.2 0.30-0.40
Cr (%) 11-13 2.20-2.70
Mn (%) 0.2-0.6 0.20-0.50
Si (%) 0.2-0.6 0.20-0.40
W (%) Not specified 7.50-9.00
V (%) Not specified 0.20-0.50
P (%) Not specified 0.030 max
S (%) Not specified 0.030 max
Matched by chemical composition and mechanical properties, not a formal equivalence claim. Always verify against the applicable standard before substitution.
Mechanical Properties
Property GOST 5950 H12 GB/T 1299 3Cr2W8V
Tensile Strength 1000-1200 MPa 1180-1380 MPa
Yield Strength 800 MPa min 980-1180 MPa
Elongation 5% min 10-14%
Hardness 60-64 HRC 48-54 HRC
Typical Applications
GOST 5950 H12
Used for cold dies, punches, shear blades, rolls, and forming tools.
GB/T 1299 3Cr2W8V
Used for hot forging dies, extrusion dies, die-casting molds, hot punches, and hot shear blades.
Key Differences
Can GOST 5950 H12 Be Substituted With GB/T 1299 3Cr2W8V?
GOST 5950 H12 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
GOST 5950 H12
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3600–4000 mm (141.73–157.48 in)
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
GOST 5950 H12
2 active listings and RFQs →
GB/T 1299 3Cr2W8V
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 5950 H12 and GB/T 1299 3Cr2W8V?
GB/T 1299 3Cr2W8V specifies W, V, P, S which are not specified for GOST 5950 H12.
Can GOST 5950 H12 be substituted with GB/T 1299 3Cr2W8V?
GOST 5950 H12 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.