General characteristics of fehraly from the supplier Evek GmbH / Evek

Characteristics of all types of ferrules

Chemical composition	Cr15Al5	Cr23Al5	Cr21Al6Nb	Cr27Al7Mo2
Cr	14,2-15,5	22,2-24,0	21-23	26.5-27.5
Al	4-6	4.5-6.5	5-7	6-7
Fe	Base	Base	Base	Base
C	≤0.080	≤0.080	≤0.080	≤0.080
Si	≤0.70	≤0.70	≤0.70	≤0.70
Mn	≤0.70	≤0.70	≤0.70	≤0.70
S	≤0.015	≤0.015	≤0.015	≤0.015
P	≤0.030	≤0.030	≤0.030	≤0.030
Mo	-	-	-	1.8-2.2
Maximum continuous operating temperature (°C)	950	1250	1350	1400
Resistance at 20 °C (Ω.mm2/m)	1.25±0.05	1.42±0.05	1.45±0.05	1.53±0.05
Density (grams/cm3)	7.1	7.25	7.1	7.1
thermal conductivity (KJ/mh °С)	52.7	63.2	46.1	45.2
Coefficient of linear expansion (αx10-6/°C)	15.4	14.7	16.0	16.0
Hardness (H.B.)	200-260	200-260	200-260	200-260
Melting point °C	1450	1500	1510	1520
Elongation at break, % ＞16	＞16	＞12	＞12	＞10
Breaking strength, MPa	588-735	637-784	637-784	686-784
Steel type	ferritic	ferritic	ferritic	ferritic
Magnetism	magnetic	magnetic	magnetic	magnetic