Mould steel D3 / Cr12 / DIN1.2080 

1.Alloy tool steel

2.cold work die steel

3.high strength, good hardenability,good abrasion

4.Mainly used to withstand the impact load is smaller, and require high abrasion resistance Die and punch, cold-cut scissors, drill sets, gauges, drawing die, pressure diethread rolling board, drawing die thread rolling die.

5.Chemical composition(for reference only):

6. Hardness: Annealed, 269 ~ 217HB, indentation diameter 3.7 ~ 4.1mm; quenching 55-60HRC

7.Heat treatment specifications:

1) quenching oil cooling, 950 ~ 1000 °C;

2) quenched 980 ° C, cold oil, tempering 180 °C 2h. Microstructure: tempered martensite and undissolved carbides, retained austenite

8.Delivery status: steel delivered in the annealed condition