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