PROPRIETARY UHB 11 Tool steels

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

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PROPRIETARY UHB 11 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
≤ 0.46
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Mn
VALUE
≤ 0.7
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Si
VALUE
≤ 0.2
UNIT
%
CAS NUMBER
7440-21-3

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PROPRIETARY UHB 11 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 17 properties — only a subset is shown here.

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PROPRIETARY UHB 11 Heat Treatments

  • Soft annealing: Temperature approx. 700°C (1290°F). Protect the steel and heat through to 700°C (1290°F). Cool in furnace 25°C/h (78°F/h) to 600°C (1110°F) and subsequently freely in air.
    Normalizing: Normalizing temperature 840–870°C (1545–1600°F). Cooling in air.
    Stress relieving: Temperature approx. 650°C (1200°F). After rough machining with chip-cutting tools, stress relieving may be advisable to minimize distortion if the tool is to be hardened. Holding time: 2 h after the entire piece has attained a temperature of approx. 650°C (1200°F). Cooling in furnace to approx. 500°C (930°F), followed by cooling in air.
    Hardening: Preheating temperature: 650°C (1200°F). Austenitizing temperature: 820–870°C (1510–1600°F). Holding time: 30 min. Protect against decarburization.
    Quenching media: Water, oil.

PROPRIETARY UHB 11 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
640 MPa
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Elongation, A
20 %
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Reduction of Area
val1
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%
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Yield Strength, Rp0.2
340 MPa
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  • 3Cross References
  • 3Composition
  • 4Mechanical Properties
  • 3Physical Properties
  • 1Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 3Total Suppliers