Nickel alloys 镍合金 Ni 102 ENi-1 Pure nickel. Welding and surfacing of nickel and nickel to steel. 纯镍,用于镍、镍与钢的焊接与堆焊 ENi-1 Ni 207 ENiCu-7 Copper nickel. Welding and surfacing of copper nickel and copper nickel to steel. 镍铜,用于镍铜、镍铜与钢的焊接与堆焊