... series 2.size: 25x25mm-100x100mm 3.ISO , BV , GSG. Stainless Steel Angle Bar. 1.Grade: 201 , 202 , 301 , 302 , 303 , 303se , 304 ... , 310 , 310S , 316 , 316L , 321 , 410 , 420 , 430 , etc . 2.standard:ASTM A276,A484,A564,A581,A582,EN10272,JIS4303,JIS G ... leading & direct manufacturers in china specialized in stainless steel , ss round bar , ss angle bar , ss flat bar , ss hexagonal bar , ss ...