... club connecting with power, it has a simple structure, long life, high thermal efficiency, good mechanical strength, and ... Safe using and reliablity, is the preferred electrical heating pipe for manufacturer of various electric appliances. Use scopeHeating pipes ... oxide Tube Material: Stainless steel seamless pipe, welded pipe, copper, yellow brass pipe, carbon steel pipe Common diameter:Φ22,Φ20,Φ18,Φ16 ...