we are professional manufacturer 1.material grade:AISI 201,Y201Cu,202 AISI 303, 304, 304L,310,310S,316,316L, ... 317,321 AISI 410,420,430,430F,431,4162.standard: ASTM A 276,A 484,A564,A581,A582, EN10272,JIS4303,JIS ... *200mm6. application:stainless steel square bar is widely used in chemical, shipping,architecture,machine-made, household products industry ,etc., stainless steel square bar 201,202,304,316 ...