... through the two educing club connecting with power, it has a simple structure, long life, high thermal efficiency, good ... mechanical strength, and can be bent in a variety of shapes,safe using and so on.3. ... 14,Φ12,Φ10,Φ8.5,Φ8,Φ6.5Length:200mm5000mmSurface treatment: a variety of plated nickel, passivation, black, spray.Remark:1 ... welcome to inquiry. Stainless steel heating pipe used for roaster