316 Tread Sheet/ Plate Thickness:0.3-40mm Width:200 ... 310S,321,304,309S Name316 hot rolled stainless steel checkered/tread sheet/plateMaterial200 series : 201 , 202300 series : 301 304 ... our own machine, which could processed mirror finish sheet & checkered sheet, so , our prices is competitiver, and we ... our own spectular, which could test the stainless steel sheet grade, so , for our quality, you can ...