D3 steel, also know as 1.2080 (Werkstoff), is an air hardening, high-carbon, high- D3 Tool Steel Bar
chromium tool steel. It displays excellent abrasion/wear resistance and has good
dimensional stability and high compressive strength.lt is heat treatable and will offer a
hardness in the range 58-64 HRC. Due to its abrasion resistance in the hardened
condition, D3 machining should be limited to finished grinding.
D3 exhibits excellent stability in heat treatment, holding size almost as well as the air-
hardening, high-carbon, high-chromium die steels such as D2. Cold-work tool steels
which include D2, D3, D4, D5, and D7 steels are high-carbon, high-chromium steels.
Apart from D3 steel all group D steels have 1% Mo and are air hardened. Type D3 steel
is oil-quenched; though small sections can be gas quenched after austenitization
using vacuum. As a result, tools made with type D3 steel tend to be brittle during
hardening. Type D2 steel is the most commonly used steel among the group D steels. The D3 steels contain 1.5 to 2.35% of carbon and 12% of chromium.
|Chemical Composition(weight %)|
||2.0 - 2.30
||0.20 - 0.60
||0.10 - 0.60
||11.0 - 13.5