GOST 4H4VMFS Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: Russia / GOST

Data updates

Latest Update: 2017-01
Total number of updates: 2
Update History
2016-06

This material has 138 properties — only a subset is shown here.

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GOST 4H4VMFS Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.37 – 0.44
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
3.20 – 4.00
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.20 – 0.50
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
P
VALUE
val1
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UNIT
%
CAS NUMBER
7723-14-0
CRITERIA
S
VALUE
val1
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UNIT
%
CAS NUMBER
7704-34-9
CRITERIA
Si
VALUE
val1
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UNIT
%
CAS NUMBER
7440-21-3
CRITERIA
V
VALUE
val1
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UNIT
%
CAS NUMBER
7440-62-2
CRITERIA
W
VALUE
val1
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UNIT
%
CAS NUMBER
7440-33-7

GOST 5950: 2000 / Tool alloy steel bars, strips and coils. General specifications

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GOST 4H4VMFS Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Electrical Resistivity
0.42 — 0.436 Ω∙mm²/m
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Density
val1
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kg/dm³
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Thermal Conductivity
val1
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W/(m∙°C)
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Electrical Conductivity
val1
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S/m
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Heat Capacity
val1
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J/(kg∙°C)
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Poisson Coefficient
val1
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Coefficient of Thermal Expansion (CTE)
val1
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10-6/°C
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This material has 138 properties — only a subset is shown here.

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GOST 4H4VMFS Heat Treatments

  • Quenching in oil: 1050-1070°C, Tempering: 550°C; After quenching at 1050 to 1070°C in oil, HRC min.55.

GOST 4H4VMFS Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 241
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Rockwell Hardness (HR)
≥ 49
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  • -Cross References
  • 9Composition
  • 2Mechanical Properties
  • 123Physical Properties
  • 2Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 2Total Suppliers