Cold Work Tool Steel

By: Special Steels and Metals  06-Dec-2011
Keywords: Steel


The blanking and forming of materials in cold condition is done in many different application such as; shearing, punching, cold forging, drawing, cold extrusion, rolling and powder pressing.

All applications include high mechanical forces and sliding contact between the tool surface and the work material. There are high demands on tool hardness to give wear resistance and resistance to plastic deformation. In order to improve the wear resistance further some of the cold work steel grades are highly alloyed giving hard particles (carbides) in the matrix. The combination of high hardness and hard carbides is however also impairing the machinability.

Special Steels & Metals can provide you with tool steels from a program of high quality tool steels covering all your demands. Low alloyed carbon tool steel grades, high-alloyed conventional metallurgy grades as well as powder metallurgical grades. Depending on the application, the work material and the production series, a cold work tool steel program and high speed steel program will contain grades with different combinations of:

  • Wear resistance
  • Resistance to plastic deformation
  • Chipping resistance
  • Total cracking resistance
  • Good machinability and grind ability

Cold work steel is exposed to high stresses and requires great resistance against wear, impact and bending. The development of new steel grades is mainly guided by analyzing damage suffered by tools in various processes. In each area of use, properties are sought which will extend the working life of the tool. Different types of wear demand different types of steel. Product development is moving towards producing more robust steels with higher resistance to wear and greater durability.

Keywords: Steel

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