Continuous casting method for high manganese steel

The invention relates to a continuous casting method for high manganese steel, which sequentially comprises the following steps that: I, stop time of a continuous casting fork arm on molten steel is not less than 6 minutes; II, stirring current is 850 to 1,000A, stirring frequency is 2.5 to 3.5Hz and a stirring mode is 35s-0-35s during electromagnetic stirring; III, the temperature control range of a tundish is 1,460 to 1,560 DEG C, a target value is 1,465 to 1,555 DEG C, the casting stop temperature is 1,483 to 1,573 DEG C, and the liquidus temperature is 1,443 to 1,533 DEG C; IV, the water quantity of secondary cooling water is 0.6 to 0.9l/min/t; V, the continuous casting speed is 0.80 to 0.85m/min; VI, according to the using requirement of slag, the alkalinity of a tundish covering agent is 1.2 to 1.4, and crystallizer covering slag is high manganese steel covering slag (TG)GM-1; VII, protective casting is performed at a long nozzle, argon is blown through a stopper rod, and the control target value of nit