→ Study → E-Tables → Thermal conductivity of solids

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E-Tables

Thermal conductivity of solids

Material	λ [W m^-1 K^-1]	t_max [°C]
building bricks	0.60	-
refractory bricks	1.20	1600
fiber boards and mats
asbestos
NETAS SK/600 KP	0.06	1000
ceramic refractory
TERMOVIT	0.12	1260
mineral
ORSIL EL and ORSIL L	0.044	200
ORSIL M, N and T	0.05	700
glass
ITAVEL 12	0.035	250
ITAVEL 24	0.041	250
from blast furnace slag
V-150 až V-350	0.05	700
granulated cork	0.04	120
pressed cork plates	0.05	120
boiler stone	1.7	-
microporous inorganic insulating materials (e.g. SANTOCEL)	0.03	1000
expanded (loose) perlite	0.1	750
wool felt	0.06	90
polyurethane foam	0.03	100
polystyrene foam	0.04	80
foam glass	0.06	430
glass wool	0.04	600
slag wool	0.07	750
vermiculite 250 loose	0.2	1000

t_max is the highest temperature the material can withstand
l is for temperature (20 + t_max)/2 °C

Thermal conductivity of selected metals and alloys as a function of temperature

Temperature °C	0	100	200	300	400	500	600
Compound	λ [W m^-1 K^-1]
aluminium	203	206	215	230	249	268	-
brass (30 wt.% Zn, 70 wt.% Cu)	97	104	109	114	116	-	-
carbon structural steel	-	47	47	45	42	40	38
copper pure	388	377	372	367	363	358	353
lead	34	33	31	31	-	-	-
nickel	62	59	57	55	-	-	-
tin	62	59	57	-	-	-	-
silver	418	412	-	-	-	-	-
zinc	112	110	107	102	93	-	-