... fitting Materials in C45,40Mn2 Mechanical class 40kN - 210kN O type Insulator end fitting1.Materials in C45, 40Mn22.Mechanical class 40kN ... .Materials testing acc.to EN10083-1,-2, AISI-SAE J403, ASTM A536, A3955.Dimension testing acc.to IEC 60120, 61466, ANSI ... .26.Galvanization testing acc.to IEC 60383, ISO 14713, 1461, ASTM A123, A153 O type Insulator end fitting