调质C级钢13号车钩及钩尾框焊修工艺研究

Research on repair welding process of No.13 coupler and coupler yoke made of Grade C tempering steel

对车钩新材料调质C级钢的焊接性能进行了研究,并以此为依据,编制出车钩及钩尾框的焊修工艺。