stainless steel pipe and tube s:0.5-30mm D 6-630mm, Length:0-2000mm Standard:AISI,GB,ASTM 201 steel pipe and tube1.Grade: ... upholstery, decorating lighting fitting piece, fluid pipeline, irregular shape tube, duplexing tubenameSquare pipesSize RangeO.D. 1-20mm x1-20mm ... /windows,gate fitting,inside staircases ,balcony balustades,furniture,sanitary wares,kitchen wares 304 stainless steel pipe /tube