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介绍了φ20～108mm×4～10mm规格的不锈钢厚壁管穿孔、冷变形和热处理工艺要点。按照该工艺生产的产品,性能符合技术标准要求,晶间腐蚀一次合格率可达到89.5％。
The points of perforation, cold deformation and heat treatment of stainless steel thick - walled tubes with the size of 20 ~ 108mm × 4 ~ 10mm are introduced. According to the process of production of products, performance in line with technical standards, intergranular corrosion a pass rate of up to 89.5%.