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GOST 5950 H12 vs GOST 5950 3H2W8F

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

GOST 5950 H12 (GOST 5950-2000) and GOST 5950 3H2W8F (GOST 5950-2000) 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 GOST 5950 3H2W8F is commonly used for used for forging dies, extrusion tools, hot punches, mandrels, and die inserts..

As per chemical composition, GOST 5950 H12 vs GOST 5950 3H2W8F is a 63.5% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 35%.

Frequently Compared With GOST 5950 H12:
EN ISO 4957 1.2316 GB/T 1299 3Cr2W8V GOST 5950 4H5MFS1 EN ISO 683-17 100Cr6 GB/T 1299 4Cr5MoSiV1 GOST 5950 4H5MFS 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
63.5%
MECHANICAL MATCH
0%
OVERALL
35%
Specifications
Property GOST 5950 H12 GOST 5950 3H2W8F
Standard GOST 5950-2000 GOST 5950-2000
Category Tool & Die Steels Tool & Die Steels
C (%) 1.9-2.2 0.3-0.4
Cr (%) 11-13 2.2-2.7
Mn (%) 0.2-0.6 Not specified
Si (%) 0.2-0.6 0.2-0.5
W (%) Not specified 7.5-9.0
V (%) Not specified 0.3-0.6
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 GOST 5950 3H2W8F
Tensile Strength 1000-1200 MPa 1400-1700 MPa
Yield Strength 800 MPa min 1200 MPa min
Elongation 5% min 8% min
Hardness 60-64 HRC 45-50 HRC
Typical Applications
GOST 5950 H12
Used for cold dies, punches, shear blades, rolls, and forming tools.
GOST 5950 3H2W8F
Used for forging dies, extrusion tools, hot punches, mandrels, and die inserts.
Key Differences
Can GOST 5950 H12 Be Substituted With GOST 5950 3H2W8F?
GOST 5950 H12 and GOST 5950 3H2W8F 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)
GOST 5950 3H2W8F
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2800–4300 mm (110.24–169.29 in)
On M-EX Right Now
GOST 5950 H12
2 active listings and RFQs →
GOST 5950 3H2W8F
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 5950 H12 and GOST 5950 3H2W8F?
GOST 5950 H12 specifies Mn which is not specified for GOST 5950 3H2W8F. GOST 5950 3H2W8F specifies W, V which are not specified for GOST 5950 H12.
Can GOST 5950 H12 be substituted with GOST 5950 3H2W8F?
GOST 5950 H12 and GOST 5950 3H2W8F 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.