stainless steel pipe 1. Grades: 201, TP304, 304L, 316L, TP316L, 316Ti, 317, ... , 316, 316L, 317, 310s and so on. The specification of stainless steel seamless pipe is (6-580)x(1-30)x(3000 ... , aerospace, Papermaking, foodstuff, shipbuilding, auto, environment-protection, boiler, heat-exchanger, pressure containers, water resources and electricity industry etc.