High-strength nickel-based alloy wire for nuclear power as well as manufacturing method and application of high-strength nickel-based alloy wire

The invention discloses a high-strength nickel-based alloy wire for nuclear power, and the alloy comprises the following chemical components in percentage by weight: 0.02-0.06% of C; 16.0 to 19.0 parts of Cr (chromium); 1.8 to 2.5 parts of Mo; 1.0 to 2.0 parts of W; 0.2 to 0.8 part of Al; 1.2 to 1.7 parts of Ti; 4.0 to 4.6% of Nb; b < = 0.002; mg: 0.002 to 0.003%; 0.010 to 0.020% of P; 16.0 to 18.0% of Fe; the balance is nickel and inevitable impurities; the invention further discloses a manufacturing method of the wire material. The invention also relates to application in nuclear power. According to the high-strength nickel-based alloy wire for nuclear power, the alloy can be used for a long time in the corrosive environment with the high temperature of 350 DEG C or above and the high pressure of 17 MPa, and is particularly suitable for a nuclear reactor. 本发明公开了一种核电用高强度镍基合金丝材，合金按重量百分比，其化学成分配比为：C：0.02-0.06；Cr：16.0-19.0；Mo：1.8-2.5；W：1.0-2.0；Al：0.2-0.8；Ti：1.2-1.7；Nb：4.0-4.6；B≤0.002；Mg：0.002-0.003；P：0.010-0.020