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Cold work die steel and hot die steel difference, where is not the same
Dec 15, 2017

Cold work die steel and hot die steel difference, where is not the same

The use of different temperatures, cold work die steel is used at low temperatures (100 degrees below), mainly used in stamping die. Hot work die steel is used at high temperatures, mainly used in die-casting mold.

Cold work die steel focus on hardness, wear resistance. High carbon content, alloying elements to increase the hardenability, improve wear resistance based. Cold work die steel including the manufacture of blanking die (blanking punching die, trimming die, punch, scissors), cold heading die and cold extrusion die, bending die and drawing die.

Hot work die steel hardness requirements of appropriate, focusing on red hardness, thermal conductivity, wear resistance. Therefore, low carbon content, alloying elements to increase the hardenability, improve wear resistance, red hardness-based.


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