Specifications

Resistance Heating Alloy Wire:
1.High-resistance electrothermal alloy
2.Material: Cr20Ni80,Cr30Ni70,Cr15Ni60,Cr20Ni35,Cr20Ni3

Product name: Resistance Heating Alloy Wire

  

 

FeCrAl technology date:

 

NAME		1Cr13Al4	0Cr25Al5	0Cr21Al6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
MAIN CHEMICAL COMPOSITION	Cr	12.0-15.0	23.0-26.0	19.0-22.0	22.5-24.5	18.0-21.0	21.0-23.0	26.5-27.8
	Al	4.0-6.0	4.5-6.5	5.0-7.0	4.2-5.0	3.0-4.2	5.0-7.0	6.0-7.0
	Re	opportune	opportune	opportune	opportune	opportune	opportune	opportune
	Fe	Rest	Rest	Rest	Rest	Rest	Rest	Rest
							Nb0.5	Mo1.8-2.2
MAX TEMPERATURE(oC)		650	1250	1250	1250	1100	1350	1400
RESISTANCE20oC (μΩ·m)		1.25	1.42	1.42	1.35	1.23	1.45	1.53
DENSITY(g/cm3)		7.40	7.10	7.16	7.25	7.35	7.10	7.10
HEAT EXCHANGE RATE(KJ/m·h·oC)		52.7	46.1	63.2	60.2	46.9	46.1	45.2
expansion rate(α×10-6/oC)		15.4	16.0	14.7	15.0	13.5	16.0	16.0
melting point( oC)		1450	1500	1500	1500	1500	1510	1520
tensile strength(N/mm2)		580-680	630-780	630-780	630-780	600-700	650-800	680-830
elongation(%)		>16	>12	>12	>12	>12	>12	>10
variation of area (%)		65-75	60-75	65-75	65-75	65-75	65-75	65-75
bending frequency(F/R)		>5	>5	>5	>5	>5	>5	>5
hardness (H.B.)		200-260	200-260	200-260	200-260	200-260	200-260	200-260
micrographic structure		Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
magnetic property		Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic

 

Photos Of Spring Resistance Wire :