Cold Work Tool Steel (เหล็กแข็งงานเย็น)

 

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 K110

Bohler K110: Equivalent* SKD11, 1.2379, D2, X153CrMoV12

 

 Chemical composition (average %)

  C Si Mn Cr Mo V
K110  1.55 0.30  0.30   11.30  0.75 0.75 

 

Material characteristic and use

Properties Dimensionally stable, high carbon, high-chromium (12%) steel.
Particularly suitable for air hardening. Good toughness.
   
Application High-duty cutting tools (dies and punches), blanking and punching tools,
woodworking tools, shear blades for cutting light-gauge material, thread
rolling tools, tools for drawing, deep drawing and cold extrusion, pressing
tools for the ceramics and pharmaceutical industries, cold rolls (working rolls)
for multiple-roll stands, measuring instruments and gauges small
moulds for the plastics industry where excellent wear resistance is required.
   
Hardness after tempering 58-61 HRC
   
As-supplied condition Annealed to max. 250 HB

 

Physical characteristics

    Temperature
    20 ºC 100 ºC 200 ºC 300 ºC 400 ºC 500 ºC 600 ºC 700 ºC
Density (kg/dm3)  7.67              
Thermal conductivity W/(m·K)  23.9              
Specific heat J/(kg·K)  470              
Electrical resistivity Ohm·mm2/m  0.65              
Modulus of elasticity N/mm2  200x103              
Thermal expansion 10-6m/(m·K)    11.0  11.4  11.9  12.2  12.7  12.8  12.1

* Chemical composition is only reference and might not be the same

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