The production process of steel 10Cr21Mnl6NiN wire rod

including composition design

principle of increasing nitrogen

smelting process

rolling and solution process

precipitation of Cr

2

N phase is introduced. A 30 t AOD furnace is used for refining

blown nitrogen to increase nitrogen in steel water

and added manganese nitride at the later stage of refining. The surface quality of wire rod is ensured and the problem of central shrinkage is solved by adopting 1 240℃ heating and controlled rolling and cooling in the process. The solution temperature should be controlled at 1 100℃ and cooled quickly after holding for 30 min to prevent the precipitation of Cr

2

N phase. The 10Cr21Mnl6NiN stainless steel wire rod with excellent surface quality and performance has been successfully produced.