Fe-Cr-Al Resistance Wire This kind of alloy has a higher resistivity and application temperature 。Its price is cheaper because of without Nickel 。 It belongs to Ferrite.

Main Property of FeCrAl electrical resistance heating alloy
Type		1Cr13Al4	0Cr21Al4	0Cr25Al5	0Cr21Al6	0Cr21Al6Nb	0Cr27Al7Mo2	0Cr23Al5
Property
Main Chemical Composition%	Cr	12-15	17-21	23-26	19-22	21-23	26.5-27.8	20.5-23.5
	Al	4-6	2-4	4.5-6.5	5-7	5-7	6-7	4.2-5.3
	Fe	Rest	Rest	Rest	Rest	Rest	Rest	Rest
	Re	Opportune ammount	Opportune ammount	Opportune ammount	Opportune ammount	Opportune ammount	Opportune ammount	Opportune ammount
	Mn	≤0.7	≤0.7	≤0.7	≤0.7	≤0.7	≤0.7	≤0.7
	Nb					0.5
Max Continuous Service Temp.of Element ℃		950	1100	1300	1300	1350	1400	1250
Density g/cm3		7.4	7.35	7.1	7.1	7.1	7.1	7.25
Electrical Resistivity		1.25	1.23	1.4	1.4	1.43	1.53	1.35
Melting Point		1450	1500	1500	1500	1500	1520	1500
Tensile strength Mpa		588-735	637-784	637-784	637-784	637-784	686-784	637-784
Elongation %		>16	>14	>12	>12	>12	>12	>12
Variation of area%		65-75	65-75	65-75	65-75	65-75	65-75	65-75
Bending frequency		>5	>5	>5	>5	>5	>5	>5
Hardness		200-260	200-260	200-260	200-260	200-260	200-260	200-260
Micrographic structure		ferrite F	ferrite F	ferrite F	ferrite F	ferrite F	ferrite F	ferrite F
Magnetic property		Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic