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为了使00Cr18Ni10N冷作硬化态钢管的力学性能达到标准要求,在成品Φ15mm的钢管生产上对原始组织状态(退火和不退火)、冷拔变形量、退火温度等影响冷硬态钢管力学性能的因素进行试验摸索,并初步摸清了退火温度以及变形量等参数对性能的影响。并最终确定了退火温度以及冷拔变形量,即对荒管进行1060℃退火处理,冷拔变形量7%～10%就可以达到较好的强度和塑性,生产出达到标准要求的冷硬态管材。
In order to make the mechanical properties of 00Cr18Ni10N cold-hardening steel meet the standard requirements, in the finished Φ15mm steel production on the original state of the organization (annealed and not annealed), cold drawing deformation, annealing temperature and other factors affecting the mechanical properties of cold-formed steel Experiment to explore, and initially find out the annealing temperature and deformation parameters such as the impact on performance. And finally determine the annealing temperature and the amount of cold deformation, that is, the shortage of 1060 ℃ Annealing annealing, cold drawing deformation of 7% to 10% can achieve better strength and plasticity, to produce the required standard of chilled hard Pipe.