ICS77.140.50H46Alloystructuralsteelsheetsnet>O.35-0.50RBRERERE%B1%Eto.05+O.0710.05+O.07--->O.50-0.60to.06+O.08t0.06t0.08-->O.60-0.75+O.07i0.09+O.07i0.09-->O.75-0.90t0.08+O.10+O.08i0.10--t0.09i0.11i0.12->O.90-1.10i0.09-->l....
