... acid,polished,black 4.shape:round,square,RE stainless steel welded pipe :stainless steel welded pipe :1.OD:9.5-219mm2.Thickness:0 ... Surface:pickled,acid,polished,black4.shape:round,square, rectangle stainless steel welded pipe details:1) Sizes : 9.5mm, 12.7mm ... , mirror polish9) Application: construction, upholstery, industrial instrument Type:stainless steel welded pipeSizes:O.D 9.5mm-219mm ; Square ...