PROPRIETARY UR04 Tool steels

Material group: Ferrous Alloys / Tool steels
Country / Standard: PROPRIETARY

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PROPRIETARY UR04 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.4600
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
≤ 1.8000
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
≤ 0.8000
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
CRITERIA
Ni
VALUE
val1
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UNIT
%
CAS NUMBER
7440-02-0
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

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PROPRIETARY UR04 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Density
7.72 — 8 kg/dm³
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Poisson Coefficient
0.27 — 0.3
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This material has 13 properties — only a subset is shown here.

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PROPRIETARY UR04 Heat Treatments

  • Stress relieving: after rough-machining, heat to 600-650°C, hold at temperature for at least 2 hours, and consequently cool slowly in furnace to 550°C, then cool in stationary air; Hardening: preheat at 650-700°C, austenitization at 880- 920°C, oil quenching, blown air in thermal bath at 200-250°C. When the tool has reached the temperature of 50-80°C start tempering immediately; Tempering: slow heat to the required temperature for the desired hardness shown in the following chart. Hold at temperature for a minimum of 2 hours after reaching the internal temperature.Make at least 2 temperings.

PROPRIETARY UR04 Mechanical Properties

Temperature

PROPERTY / VALUE
Brinell Hardness (HB)
≤ 200
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  • -Cross References
  • 7Composition
  • 1Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers