... ,317,321 AISI410,420,430,430F,431,416 AISI201,Y201Cu,202 Ph-4,329 etc.2.standard: ASTM A276, A276,A484 ... ,JIS4303,JIS G4311,JIS4318.3,Surface:bright,polished, turn smooth, brush,mill, pickled4.size: square bar size from 2mm-200mm5, use ... ,spin,shipping industry, architecture,food industry, housed product etc. 201/202 stainless steel square bar