304 bright annealing seamless steel tube 1.wall thickness:0.5-60mm or as require 2.out diameter: 6-830mm 304 bright annealing seamless steel ... tube1: 201, TP304, 304L, 316L, TP316L, 316Ti, 317, 317L, 321 etc ... , 310s and so on. The specification of stainless steel seamless pipe is (6-580)x(1-30)x(3000-17000)mm ...