Ball and Socket Materials in C45,40Mn2,ductile iron Mechanical class 40kN - 210kN ... - 210kN3.Hot galvanized coating protection against corrosion4.Materials testing acc.to EN10083-1,-2, AISI-SAE J403, ASTM A536, A3955.Dimension ... acc.to IEC 60120, 61466, ANSI C29.26.Galvanization testing acc.to IEC 60383, ISO 14713, 1461, ASTM A123, A153 Ball and Socket