... Surface:bright , black , pickeled & bright 309 Round Stainless Steel Bar (stainless steel round bar, angle bar , flat bar , channel bar , hexagon bar , square bar .)1.Grade:201,202,301,302,303 ... the areas as ss fasteners , chains , kitchen and sanitary wares ,furniture handles , handrails , electroplating and electrolyzing pendants , foods, electron , petroleum , construction ...