... mainly used for high-voltage switch connection. Widely used in various SF6 circuit breaker. Voltage grade:High voltage72.5kv- ... Ltd Shaanxi HanDe Axle Co.,LtdCooperation mode:Provide all kinds of materials to map production and processing.Material: 5083,2A50, ... treatment: Transparent oil, rust-proof oil. High voltage electric power equipment in forging connecting flange 5083,6A02,6061,6063,2A50,5A05