PROPRIETARY S730 Tool steels

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

Data updates

Latest Update: 2022-10
Total number of updates: 1
Update History

This material has 22 properties — only a subset is shown here.

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PROPRIETARY S730 Chemical Composition

CRITERIA
VALUE
UNIT
CAS NUMBER
CRITERIA
Al
VALUE
0.50
UNIT
%
CAS NUMBER
7429-90-5
CRITERIA
C
VALUE
0.92
UNIT
%
CAS NUMBER
7440-44-0
CRITERIA
Co
VALUE
4.75
UNIT
%
CAS NUMBER
7440-48-4
CRITERIA
Cr
VALUE
val1
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UNIT
%
CAS NUMBER
7440-47-3
CRITERIA
Mo
VALUE
val1
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UNIT
%
CAS NUMBER
7439-98-7
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

Voestalpine Böhler Edelstahl GmbH & Co KG, Product Data Sheets,

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PROPRIETARY S730 Physical Properties

Temperature

PROPERTY / VALUE
Modulus of Elasticity
190 — 218 GPa
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Electrical Resistivity
0.57 Ω∙mm²/m
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Density
val1
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kg/dm³
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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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Thermal Conductivity
19 W/(m∙°C)
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Poisson Coefficient
val1
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This material has 22 properties — only a subset is shown here.

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PROPRIETARY S730 Heat Treatments

  • Annealing: 770-840°C (1418-1544°F); Controlled slow cooling in furnace (10-20°C/h / (50-68°F/h) to approx. 600°C (1110°F), air cooling.
    Stress relieving: 600-650°C (1112-1202°F); Slow cooling in furnace. To relieve stresses set up by extensive machining or in tools of intricate shape. After through heating, maintain a neutral atmosphere for 1-2 hours.
    Hardening and tempering: 1150-1190°C (2102-2174°F); Oil, air, salt bath (500-550°C (932-1022°F)), gas

PROPRIETARY S730 Mechanical Properties

Temperature

PROPERTY / VALUE
Tensile Strength
≤ 980 MPa
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Brinell Hardness (HB)
≤ 280
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  • -Cross References
  • 7Composition
  • 2Mechanical Properties
  • 9Physical Properties
  • 3Heat Treatment
  • -Metallography
  • -Machinability
  • -Stress-Strain
  • -Formability
  • -Fatigue
  • -Fracture
  • -Creep
  • -Joints
  • -Coatings
  • -Dimensions
  • -Tribology
  • -Corrosion
  • -Ageing
  • -Weatherability
  • -Irradiation
  • 1Total Suppliers