... complete processing; the part is mainly used for high-voltage switch connection. Widely used in various SF6 ... Voltage grade:High voltage72.5kv-252kv GIS/GCB;Ultra-high voltage 363kv-800kv GIS/TGCB;Extra high voltage 1100kv ... ,2A50,5A05,2A10,6061,6063,2A50,5154. carbon steel, stainless steelSurface treatment: Transparent oil, rust-proof oil. ... 2A10,6061,6063,2A50,5154. carbon steel, stainless steel