COLD WORK TOOL STEEL D3

Cold work steel additionally know as DIN 1.2080 (Werkstoff) and JIS SKD1, is a 12% chrome compound steel.

D3 cold work steel has high wear resistance against abrasive and adhesive wear because of the high volume of hard carbides in the steel matrix, medium toughness, dimensionally stable, high compressive strength, not secondary hardenable.


D3 cool works is oil-extinguished; however little segments can be gas extinguished after austenitization utilizing vacuum. Thus, instruments made with type D3 cold work device steel have a tendency to be brittle during hardening.



Chemical Composition


Element
Min
Max
Carbon, C1.902.20
Manganese, Mn0.150.45
Silicon,Si0.100.40
Molybdenum, Mo----
Chromium,Cr11.0012.00
W----
V----
Co----

Physical Properties


Properties
Metric
Imperial
Density7.7 x 1000 kg/m30.278 lb/in3
Melting point1421°C2590°F

Mechanical Properties


Properties
Metric
Imperial
Izod impact unnotched28.0 J20.7 ft-lb
Poisson's ratio0.27-0.300.27-0.30
Elastic modulus190-210 GPa27557-30457 ksi

Thermal Properties


Properties
 
Conditions
 
T (°C)Treatment
Thermal expansion12 x 10 -6 /ºC20-100-


Features


   Heat Treatment

   Tempering

   Annealing

   Hardening

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