... % compared with stainless steel Carbinox tubes, Q-railing tubes, Stainless steel tubes, Stainless steel composite tubes, Stainless steel Railings , Handrail ... tubeDescription of Carbinox tubes:1) Carbinox is a unique stainless steel composite tube with an inner structural layer of ... Produced from Outer layer stainless 201, 304, 316 and Inner layer S235, S275 carbon steel or Galvanized steel. 4 ...