Welding copper-based alloy material and preparation method thereof

The invention relates to a welding copper-based alloy material and a preparation method thereof. According to the embodiment of the invention, the welding copper-based alloy material comprises the following elements in percentage by weight: 0.2-1.5% of manganese Mn, 18-29% of zinc Zn, 0.001-0.01% of silver Ag, 0.001-0.003% of boron B, 0.001-0.01% of nickel Ni, 0.001-0.009% of molybdenum Mo, 0.001-0.01% of indium In, 0.001-0.01% of zirconium Zr, 0.001-0.005% of cerium Ce, 0.001-0.009% of scandium Sc, 0.001-0.009% of rubidium Rd, 0.001-0.005% of niobium Nb, 0.002-0.01% of neodymium and the balance of copper Cu. Compared with the prior art, the welding copper-based alloy material provided by the embodiment of the invention has excellent welding quality and has excellent welding process applicability. 本发明涉及焊接用铜基合金材料及制造方法，根据本发明实施例的焊接用铜基合金材料按重量百分比包含如下元素：锰Mn 0.2％-1.5％、锌Zn 18％-29％、银Ag 0.001％-0.01％、硼B 0.001-0.003％、镍Ni 0.001％-0.01％、钼Mo 0.001％-0.009％、铟In 0.001％-0.01％、锆Zr 0.001％-0.01％、铈Ce 0.001-0.005％、钪Sc 0.001％-0.009％，铷