... ,2A50,5A05,2A10 3.1kv-252kv-500kv 4.According to the drawings processing Size: 4" to 72" (DN100 mm-1800 ... a free forging machining and other processes to complete processing; the part is mainly used for high-voltage switch connection. Widely ... , stainless steelSurface treatment: Transparent oil, rust-proof oil. High voltage electric power equipment in forging connecting flange 5083,6A02,6061,6063,2A50 ...