Nickel-series steel and production method thereof

The invention discloses nickel-based steel and a production method thereof, and relates to the technical field of ferrous metallurgy, and the nickel-based steel comprises the following chemical components in percentage by mass: 0.035-0.065% of C, 0.15-0.35% of Si, 0.55-0.85% of Mn, less than or equal to 0.005% of P, less than or equal to 0.002% of S, less than or equal to 0.0050% (residual) of Nb, less than or equal to 0.003% (residual) of V, less than or equal to 0.005% (residual) of Ti, less than or equal to 0.30% of Cr, less than or equal to 0.30% of Mo, 0.50-9.50% of Ni, less than or equal to 0.05% of Cu, 0.020-0.050% of Al, less than or equal to 0.0045% of N, less than or equal to 0.0002% of H A double-slag method is adopted to remove carbon and phosphorus, austenitizing is carried out in a regulated heating mode, the performance of the quenched and tempered product meets the use requirements of customers, and the quality of the nickel-series steel is improved. 本发明公开了一种镍系用钢及其生产方法，涉及钢铁冶金技术领域，其化学成分及质量百分比如下