Glass insulator caps

insulator hardware(cap) strength grade:40-550knmaterial:KTH350-10,QT450-12,low temperature ductile iron. standard:IEC,ANSI 1.Socket type cap for suspension Insulators application 2.Materials in malleable cast Iron or low temperature ductile Iron 3.Mechanical class 40kN - 550kN 4.Hot galvanized coating protection against corrosion 5.Magnetic article test and Eddy current test on100% of components Standards 6.Materials testing acc.to EN1562,1563, ASTM A536, A395, NBR6916 7.Dimension testing acc.to IEC 60120, ANSI C29.2 8.Galvanization testing acc.to IEC 60383, ISO 14713, 1461, ASTM A123, A153