... . Safe using and reliablity, is the preferred electrical heating pipe for manufacturer of various electric appliances.4.Heating pipes are widely ... materials: magnesium oxideTube Material: Stainless steel seamless pipe, welded pipe, copper, yellow brass pipe, carbon steel pipeCommon diameter:Φ22,Φ20,Φ18,Φ ... requirements. Quality guarantee, welcome to inquiry. Stainless steel heating pipe used for boiler