... Bearing bars Q235A,stainless steel ,etc CROSS BAR Q235A 304 stainless steel round bar steel ,twisted square steel, square steel or hexagon steel, etcAssortmentPlain surfaceSerratedsurfaceDovetailgratingSpecial shapeGeneral ... ×525×532×540×545×550×555×560×5Finish treatment galvanized, plastic coated.Advantages and Applicationhigh strength, light structure, high bearing, cost-efficient ...