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Physical properties

Material ZINK ALUMINIUM MAGNESIUM BRASS STEEL PLASTIC
ALLOY 2 ALLOY 5 ALLOY 8 Die-cast Extrusion-
pressed
Die-cast Die-cast Cold- formed Pressed sheet metal ABS Nylon GAP
Production
process
Hot chamber 
die-casting
Cold chamber 
die-casting
Hot chamber
die-casting
Cold chamber
die-casting
  Injection-moulding
Density 6,7 6,7 6,3 2,8 2,7 1,8 8,3 8,6 7,9 1,12 1,14 1,7
Specific
heat J/g °C
0,42 0,42 0,42 0,96 0,90   0,38 0,38 0,48 0,3-0,4 0,4 -
Coefficient 
of heat
2,7x10-5 2,7x10-5 2,3x10-5 2,3x10-5 2,3x10-5 2,7x10-5 2,1x10-5 1,9x10-5 1,2x10-5 5-11x10-5 8x10-5 -
Thermal
conductivity
W/mK
104 109 115 100 205 71 120 120 63 0,1-0,3 0,24 -
Conductivity
% IACS
26 26 28 30 55 10 28 28 8 0 0 0

Mechanical properties

Material ZINK ALUMINIUM MAGNESIUM BRASS STEEL PLASTIC
ALLOY 2 ALLOY 5 ALLOY 8 Die- cast Extrusion- 
pressed
Die-cast Die-cast Cold- formed Pressed 
sheet metal
ABS Nylon GAP
Production
process
Hot chamber 
die-casting
Cold chamber 
die-casting
Hot chamber
die-casting
Cold chamber 
die-casting
  Injection-moulding
Tensile strength
N/mm (Re)
360 320 375 260 90-240 220-248 280-370 325-540 430 37-59 61-80 200
0.2% Yield point
N/mm (Re)
220 220 290 110   160 105          
E-module N/mm 85000 85000 85000 71000 68000 44000 105000 115000 200000 1400-2700 1200-2700 13000
Elongation % 8 8 8 2 12-20 3 25-40 15-17 12-22 5-40 60-300 2
Impact 
strength J
47 58 40 3 30-40 3 33 20-90 55 1-2 0,6-1,4 5
Hardness 100HB 85HB 100HB 85HB 25-73HB 60HB 60-70HB 65-160HB 120HB 80-120R 108-118R