... Safe using and reliablity, is the preferred electrical heating pipe for manufacturer of various electric appliances.4.Heating pipes are widely ... : magnesium oxideTube Material: Stainless steel seamless pipe, welded pipe, copper, yellow brass pipe, carbon steel pipeCommon diameter:Φ22,Φ20,Φ18 ... ,Φ16,Φ14,Φ12,Φ10,Φ8.5,Φ8,Φ6.5Length: ...