PROPRIETARY Uddeholm Viking Tool steels

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

Data updates

Latest Update: 2016-04
Total number of updates: 1
Update History

This material has 52 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Viking Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
C
VALUE
0.5
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Cr
VALUE
8.0
UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mn
VALUE
0.5
UNIT
%
CAS NUMBER
7439-96-5
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

Uddeholms AB, Product Data Sheets,

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PROPRIETARY Uddeholm Viking Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 210 GPa
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Thermal Conductivity
val1
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W/(m∙°C)
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Density
val1
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kg/dm³
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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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This material has 52 properties — only a subset is shown here.

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PROPRIETARY Uddeholm Viking Heat Treatments

  • Soft Annealing
    Protect the steel and heat through to 880°C (1620°F). Then cool in the furnace at approx. 10°C (20°F) per hour to 650°C (1200°F), then freely in air.
    Stress Relieving
    After rough machining the tool should be heated through to 650°C (1200°F), holding time 2 hours. Cool slowly to 500°C (930°F), then freely in air.
    Hardening
    Pre-heating temperature: 600 - 700°C (1110 - 1290°F). Austenitizing temperature: 980 - 1050°C (1800 - 1920°F) normally 1010°C (1850°F).
    Protection Against Decarburization
    Protection against decarburization and oxidation, while heating for hardening, is obtained by: heating in neutral salt bath, packing in spent cast-iron chips, spent coke or paper, protective atmosphere - endothermic gas, vacuum
    Quenching Media
    Circulating air or atmosphere, air blast, martempering bath 200 - 550°C (390 - 1020°F) 1 - 120 minutes, then cool in air, oil.
    Temper the tool as soon as its temperature reaches 50 - 70°C (120 - 160°F).
    Tempering
    Heating to tempering temperature should be carried out slowly and uniformly. Tempering should be carried out twice. Lowest temperature 180°C (360°F). Holding time at temperature minimum 2 hours.
    Flame And Induction Hardening
    Both flame and induction hardening methods can be applied. In order to get a very uniform hardness after flame or induction hardening the steel can first be prehardened to approx. 35 ± 2 HRC. After flame or induction hardening the steel should be tempered at at least 180°C (360°F).
  • Austenitizing temperature 1010°C (1850°F).

PROPRIETARY Uddeholm Viking Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
1620 — 1960 MPa
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Brinell Hardness (HB)
≤ 225
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Compression Strength
val1
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MPa
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Elongation, A
6 — 8 %
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Rockwell Hardness (HR)
val1
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Yield Strength, Rp0.2
val1
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MPa
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Compression Yield Strength
val1
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MPa
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Reduction of Area
val1
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%
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  • 1Cross References
  • 6Composition
  • 22Mechanical Properties
  • 15Physical Properties
  • 3Heat Treatment
  • -Metallography
  • -Machinability
  • 3Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 2Total Suppliers