... Materials in C45, ductile iron Mechanical class 40kN - 90kN Line post insulator end fitting1.Materials in C45, ductile iron2.Mechanical class3.Hot ... galvanized coating protection against corrosion4.Materials testing acc.to EN10083-1,-2, AISI-SAE J403, ASTM A536, A3955.Dimension testing acc ... acc.to IEC 60383, ISO 14713, 1461, ASTM A123, A153 Line post insulator end fitting