This paper analyzes the weldability of F12 steel and main factors effecting weld quality. Weld, heat-treatment code and reasonable repair technology of F12 steel are raised to ensure weld quality.

• 分析了F12钢的焊接性和影响其焊接质量的主要因素,提出了F12钢焊接及焊后热处理规范,及合理的返修工艺。保证了焊接质量。