Thermodur E 40 K Superclean Bar

.XLSX
.PDF
Save

Description

Quenched and Tempered steel bar that shows the following features and properties:


  • High toughness
  • Improved high-temperature strength
  • Optimum resistance to hot cracking
  • High hot wear resistance
  • Optimum homogeneity of microstructure
  • Isotropy of mechanical properties
  • Properties

    Dimension

    Diameter d

    232 - 363 mm

    Mechanical

    Hardness, Brinell HB

    230 [-] at 20 °C

    soft annealed

    Hardness, Rockwell C HRC

    42 - 52 [-] at 20 °C

    Tensile strength Rm

    1320 - 1775 MPa at 20 °C

    Thermal

    Coefficient of thermal expansion α

    1.15E-5 1/K at 100 °C

    for 20°C to the mentioned temperature

    Show chart

    Thermal conductivity λ

    28.36 W/(m·K) at 20 °C

    Show chart

    Chemical properties

    Element

    Weight %

    Comment

    Fe

    -

    Balance

    Other

    -

    Plus additions

    Cr

    5 %

    V

    0.8 %

    C

    0.35 %

    More

    Technological properties

    Application areas

    Universally usable for highly stressed tools and highest temperatures, casting dies for light metal processing (especially for complex tools), extrusion dies for light and heavy metal processing (especially for complexly formed profiles), dies and inserts

    Heat Treatment

    Soft annealing: 750-800°C (Cooling in furnace) - Hardening: 1020-1040°C and quenching in air, oil or hot bath T=500-550°C

    This material data has been provided by Deutsche Edelstahlwerke Specialty Steel (DEW).

    All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
    Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.