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GOST 5950 9HVG vs GOST 5950 4H5MFS1

Minimal Match — 34.2% match based on chemical composition and mechanical property overlap.

GOST 5950 9HVG (GOST 5950-2000) and GOST 5950 4H5MFS1 (GOST 5950-2000) are both steel grades. Both fall under the Tool & Die Steels category. GOST 5950 9HVG is typically used for used for broaches, taps, dies, punches, and precision cutting tools., while GOST 5950 4H5MFS1 is commonly used for used for forging dies, pressure casting dies, hot punches, extrusion tooling, and die inserts..

As per chemical composition, GOST 5950 9HVG vs GOST 5950 4H5MFS1 is a 51.4% match. As per mechanical properties, the match is 0%. Combined, this makes them a minimal match overall at 34.2%.

Frequently Compared With GOST 5950 9HVG:
EN ISO 4957 1.2316 GOST 5950 4H5MFS GB/T 1299 4Cr5MoSiV1 GB/T 1299 3Cr2W8V DIN EN ISO 4957 1.2379 AISI 52100 GB/T 1299 4Cr5MoSiV DIN EN ISO 4957 1.2344 GOST 5950 3H2W8F EN ISO 683-17 100Cr6
Other Tool & Die Steels Grades to Compare With GOST 5950 9HVG:
IS 3748 103T3 IS 1570 (Part 6) 103T3
Match Breakdown
CHEMISTRY MATCH
51.4%
MECHANICAL MATCH
0%
OVERALL
34.2%
Specifications
Property GOST 5950 9HVG GOST 5950 4H5MFS1
Standard GOST 5950-2000 GOST 5950-2000
Category Tool & Die Steels Tool & Die Steels
C (%) 0.85-0.95 0.35-0.45
Cr (%) 0.9-1.2 4.5-5.5
W (%) 0.9-1.2 Not specified
Mn (%) 0.8-1.1 Not specified
Si (%) 0.15-0.35 0.8-1.2
Mo (%) Not specified 1.2-1.6
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 9HVG GOST 5950 4H5MFS1
Tensile Strength 950-1150 MPa 1350-1650 MPa
Yield Strength 750 MPa min 1150 MPa min
Elongation 7% min 9% min
Hardness 61-65 HRC 44-50 HRC
Typical Applications
GOST 5950 9HVG
Used for broaches, taps, dies, punches, and precision cutting tools.
GOST 5950 4H5MFS1
Used for forging dies, pressure casting dies, hot punches, extrusion tooling, and die inserts.
Key Differences
Can GOST 5950 9HVG Be Substituted With GOST 5950 4H5MFS1?
GOST 5950 9HVG and GOST 5950 4H5MFS1 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 9HVG
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 2500–3100 mm (98.43–122.05 in)
GOST 5950 4H5MFS1
Round Bar → (2 listings)
Diameter: 80–80 mm (3.15–3.15 in)
Length: 3000–3100 mm (118.11–122.05 in)
On M-EX Right Now
GOST 5950 9HVG
2 active listings and RFQs →
GOST 5950 4H5MFS1
2 active listings and RFQs →
Frequently Asked Questions
What is the difference between GOST 5950 9HVG and GOST 5950 4H5MFS1?
GOST 5950 9HVG specifies W, Mn which are not specified for GOST 5950 4H5MFS1. GOST 5950 4H5MFS1 specifies Mo, V which are not specified for GOST 5950 9HVG.
Can GOST 5950 9HVG be substituted with GOST 5950 4H5MFS1?
GOST 5950 9HVG and GOST 5950 4H5MFS1 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.