Mild Steel A000 GR.C Plates Manufacturer. Marc Steel is a known supplier and trader of ASTM A000 GR.C Plates, which are widely demanded by the clients for their fine sheen and sturdiness. With the help of our expert team members, we have been able to provide ASTM A000 GR.C Sheets. And thus, our ASTM A000 GR.C Coils are marked with perfection that is an exclusive blend of quality and 