checker steel plate,Website:http://www.topsino-steelpipe.com, steel chequered plateDescriptionDiamond plate, also known as checquer plate, tread plate and Durbar floor plate, is ... on garage floors, trailers, and exercise rooms. Tata Steel marketed the plate as Durbar Plate. "Diamond plate" can also refer to ... ,Gr70,S335JR,ST52,S275JR, ST52,ST35.8,SS400,S45C,12Cr1MoV,15CrMo, Cr5Mo,Q235,P91,St44-3,etc. ...