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简述了SAF2507超级双相不锈钢的材料性能,包括优良的耐孔蚀、缝隙腐蚀、晶间腐蚀能力。介绍了大直径SAF2507+Q345R复合板容器制造中冷热成型、焊接、热处理的生产经验,并通过控制覆层铁素体含量来保证设备的使用性能,为今后同类设备的制造积累了经验。
Briefly describe the material properties of SAF2507 super duplex stainless steel, including excellent resistance to pitting, crevice corrosion and intergranular corrosion. The production experience of cold forming, welding and heat treatment in the manufacture of large diameter SAF2507 + Q345R composite plate container is introduced. The control of the ferrite content in the cladding ensures the serviceability of the equipment, thus gaining experience for the manufacture of similar equipment in the future.