In accordance with the characteristic of the mechanical property for the high pressure flange steel forging,with the processes of basic EAF+LF,VD+ESR and deep cold treatment,the qualified high pressure flange made from ASTM SA723 steel has been produced.

• 根据高压法兰锻件力学性能的特点,采用碱性电炉+LF、VD炉处理+电渣重熔冶炼,以及深冷处理工艺,生产出了合格的ASTM SA723钢高压法兰。