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Fecral Nichrome Flat Ribbon Heater Industrial Furnace Heating Elements High-Temp Stablohm 812 Alloy Resistance Wires

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Product Description

FeCrAl high resistance and electric heating alloy

FeCrAl resistance & heating alloy with the characteristics of high resistance, low temperature coefficient of electric resistance, high operating temperature, good corrosion resistance under high temperature, as well as the lower price.

It is widely used in industrial electric furnace, household electrical appliance and far infrared ray device.

Alloy Nomenclature Performance		1Cr13Al4	0Cr25Al5	0Cr21Al6	0Cr23Al5	0Cr21Al4	0Cr21Al6Nb	0Cr27Al7Mo2
Main chemical composition (%)	Cr	12.0-15.0	23.0-26.0	19.0-22.0	20.5-23.5	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	4.2-5.3	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. continuous service temp. of element (ºC)		950	1250	1250	1250	1100	1350	1400
Resistivity at 20ºC (μΩ·m)		1.25	1.42	1.42	1.35	1.23	1.45	1.53
Density (g/cm3)		7.4	7.1	7.16	7.25	7.35	7.1	7.1
Thermal conductivity (KJ/m·h·ºC)		52.7	46.1	63.2	60.2	46.9	46.1	45.2
Coefficient of lines expansion (α×10-6/ºC)		15.4	16	14.7	15	13.5	16	16
Melting point (approx.) (ºC)		1450	1500	150	1500	1500	1510	1520
Tensile strength (N/mm2)		580-680	630-780	630-780	630-780	600-700	650-800	680-830
Elongation at rupture (%)		>16	>12	>12	>12	>12	>12	>10
Variation of area (%)		65-75	65-75	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
Continuous service time (Hours/ ºC)		--	≥80/1300	≥80/1300	≥80/1300	≥80/1250	≥50/1350	≥50/1350
Micrographic structure		Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
Magnetic properties		Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic	Magnetic

Round wire: diameter 0.05mm-10.0mm

Flat wire: thickness 0.2mm-1.0mm, width 0.08mm-40.0mm

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