... require 2.out diameter: 6-830mm 304 bright annealing seamless steel tube1: 201, TP304, 304L, 316L, TP316L, 316Ti, 317, 317L ... , 317, 310s and so on. The specification of stainless steel seamless pipe is (6-580)x(1-30)x(3000 ... clients. The products widely used in petroleum, chemical industry, chemical fiber, medical machinery, smelting, aerospace, Papermaking, foodstuff, shipbuilding, auto, environment ...