Pipe Stainless Hollow Pipe 名称: 方形管 材料: 不锈钢材质 Consultation Product Details Material304/L 316/L 321 347/H 904/L 2205 2507 625 825 Ti G12 等ProcessCold DrawnTesting MethodEddy Current X Rayed Online IGC Corrostion ShapeHollow SectionSurfacingPickling Sand Blasting Shot Blasting