Grade: W-1 Appearance: Silver-gray metal bar Density: 18.0g/cm3 Specifications: 12mm*12mm*£¨510-530£©mm Packing: Metal box Component Analysis (%) Main contentsW£º¡Ý99.999 Impurities Not more than K 0.000005 Na 0.00005 Ca 0.00005 Fe 0.0001 Ta 0.0001 Pb 0.00001 Cu 0.000007 Sn 0.000005 Ba 0.00001 Mn 0.000005 Be 0.000005 Pt 0.00003 Co 0.000005 Cd 0.000005 Cr 0.000005 Mo 0.00001 Mg 0.00005 Zn 0.00005 Sb 0.00005 Al 0.00005 Ni 0.00001 Ti 0.000005 Bi 0.00001 As 0.00005 Box Specifications: (645*290*275)mm Quantity: 27 / box Applications: Mainly used for high standard bearing steel, materials for automobile, heavy industry, rapid transit railway, aerospace, precision equipment, high-tech military weaponry and other high-tech industries, excellent special steel products and barrier layer of integrated circuits with high precision, high reliability, and high added value for manned spaceflight and lunar exploration, and T1 sputtering target. Metal box Box weight: (30-35) kg / box Gross box weight : (34-39) kg / box