6J12 Manganese Copper alloy wire 1. 3 models: 6J12 6J 8 6J13; 2.small resistivity; ... ,CuNi wires,strips,and resistance wires,etc.6J12 Manganese Copper alloy wireManganese copper has 3 medels: 6J8, 6J12, 6J13.the standard of ... according to the requirements of the customers) soft 6J12 Manganese Copper alloy wire