Cral 14-4 Heating Resistance /Heating Foil

Model NO.: CrAl 14-4 Material: Fe-Cr-Al Status: Bright,Soft Thickness: 0.01-7mm Trademark: Ualloy Origin: China Product Type: Strip Carbon Content: Low Carbon Melting Point: 1450 Width: 5-300mm Specification: GB/T 1234-2010 HS Code: 72209000 high temperature and resistance alloy Cral 14/4 Strip

Nominal Analysis

Cr 13%, Al 4%, Fe Bal. ºC

Max contineous working temperature: ºC

Melting Temperature: 1450

Electrical Resistivity: 1.25 ohm mm2/m(Also have other choices)

Size: Thickness 0.01-7mm, width 5mm-300mm

Standard: ASTM B603, DIN 17470, TOCT 10994, JIS C2520, GB/T1234

Properties/Grade		1Cr13Al4	0Cr21Al4	0Cr21Al6	0Cr23Al5	0Cr25Al5	0Cr21Al6Nb	0Cr27Al7Mo2
Main  Chemical  composition(%)	Cr	12.0-15.0	18.0-21.0	19.0-22.0	22.5-24.5	23.0-26.0	21.0-23.0	26.5-27.8
	Al	4.0-6.0	3.0-4.2	5.0-7.0	4.2-5.0	4.5-6.5	5.0-7.0	6.0-7.0
	Fe	Balance	Balance	Balance	Balance	Balance	Balance	Balance
	Re	opportune	opportune	opportune	opportune	opportune	opportune	opportune
							Nb:0.5	Mo:1.8-2.2
Max.   continuous  service  temp.   of  element		950	1100	1250	1250	1250	1350	1400
Resistivity  at  20oC  (μ Ω @ m)		1.25+-0.08	1.23+-0.06	1.42+-0.07	1.35+-0.07	1.42+-0.06	1.45+-0.07	1.53+-0.07
Density  (g/cm3)		7.4	7.35	7.16	7.25	7.1	7.1	7.1
Thermal  conductivity(KJ/m@ h@ oC)		52.7	46.9	63.2	60.2	46.1	46.1	45.2
Coefficient  of  lines  expansion(α × 10-6/oC)		15.4	13.5	14.7	15	16	16	16
Melting  point  (approx. )(  oC)		1450	1500	1500	1500	1500	1510	1520
Elongation  at  rupture  (%)		≥16	≥12	≥12	≥12	≥12	≥12	≥10
Micrographic  structure		Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite	Ferrite
Magnetic  properties		magnetic	magnetic	magnetic	magnetic	magnetic	magnetic	magnetic

Has been used extensively as heating elements in industrial furnaces and Brake Resistor. Our company produce many kind of resistivity and surface metal strip for our clients.

Contact us if you need more details on Heating Foil. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Heating Resistor、Heating Metal Strip. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : FeCrAl Alloy