... ;ZGCr28Ni48W5,or at customers request. Product Description 1. Radiant tubes for CAL(Continuous annealing line)/CGL(Continuous galvanizing ... , single-ended type, L type,P type. 3. Process:centrifugal and welding flange,elbow4. Material:ZGCr25Ni20;ZGCr25Ni35Nb;ZGCr28Ni48W5,More ... package etc. 7. Application: Steel and Heat-treatment: Radiant tubes, and castings of re-heating furnaces, steel mills and ...