... of lean pipe: Material: Extruded plastics (Outside ) + Galvanized Steel tube (Middle) + Antirust Coat (Interior) Technics: Cold ... and worktable,handcart, storage shelving, assembly line, logistics container,warehouse shelving,light or medium duty shelving,shelving racks etc. Weight: ... .Metal pipe joint PN no. Technics:cold rolled steel platethickness:2.5mm+-0.2Surface treatmet: electrophoresis / ...