... plated H-1,H-2,H-3.......H-17 metal joints is the part of the pipe worktable, pipe rack, production line ... .Material ofmetal joints: Cold-rolled steelFinished of metal joints: powder, chromium ... platedModel:H-1,H-2,H-3.......H-17Usages of metal joints: used to connect with the pipes, it is conducive ...