... , 430, 316 and so on.the surface can be 2B, NO.1 and so on. Stainless steel bar/ rodWe can provide ... energy industry with equipment corrosion resistant steel.Abrasive style:NO 3 surface: 120 #, 180 #NO 4 surface: 240 #, 3,220 #, 400 # HL surface ... NO 3 surface: 80 #, 120 #, 180 #NO 4 surface: 240 #, 320 #, 400 # ProductStainless steel bar ...