| 冷拔精密无缝钢管退火和正火 |
| 添加时间：2019/12/21 15:10:24 浏览次数： |
| 冷拔精密无缝钢管退火是将冷轧精密光亮钢管加热到适当温度，根据材料和工件尺寸采用不同的保温时间，然后进行缓慢冷却，目的是使金属内部组织达到或接近平衡状态，获得良好的工艺性能和使用性能，或 者为进一步淬火作组织准备。 Annealing of cold drawn precision seamless steel tube is to heat the cold-rolled precision bright steel tube to a proper temperature, adopt different holding time according to the material and workpiece size, and then cool it slowly, so as to make the internal structure of the metal reach or close to the equilibrium state, obtain good process performance and use performance, or make organizational preparation for further quenching. 正火是将冷轧精密光亮钢管加热到适宜的温度后在空气中冷却，正火的效果同退火相似，只是得到的组织更细，常用于改善材料的切削性能，也有时用于对一些要求不高的零件作为最终热处理。 Normalizing is to heat the cold-rolled precision bright steel pipe to a suitable temperature and then cool it in the air. The effect of normalizing is similar to annealing, but the microstructure obtained is finer, which is often used to improve the cutting performance of materials, and sometimes used for the final heat treatment of some parts with low requirements. |
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