... water boiler, dishwasher, etc.; For industial use heating tube are Widely used in mould ,various oil tank, acid ... materials: stainless steel seamless tube, welded pipe, copper tube, brass tube, carbon steel tube,10 # iron, copper, 1 Cr18 T4 Ni9Ti stainless steel ... all kinds of nickel plating, passivation, black, spraying. Non-standard, according to customers' requirements Certification: SGS and CTI We ...