1.material grade:AISI 201,Y201Cu,202 AISI 303, 304, 304L,310,310S,316,316L,321 stainless steel angle ... steel angle bar1.material grade:AISI 201,Y201Cu,202 AISI 303, 304, 304L,310,310S,316,316L,321 AISI 410,420,430,430F,431 ... .samples are available,pls feel free to contact with me . AISI 304L stainless steel angle