Products Used Radiator scarp Copper Content 99.9% Material Copper/Aluminum Dimensions 914mm x 914mm x 12mm Core dimension 360x688x32mm Inlet 35mm Outlet 35mm Grade AA - Temper : 'O' 1/2 H - Tensile Strength : 340 Min-400 Min - Elongation % on 50 mm G.L : 40 Min - Vickers Hardness VPN : 80 Max/95 Min-120 Min - Cu -: 58% - 60% - Pb -: 1.5% - 2.5% - Imp -: 0.3% (Max.)