如果管壁经受不起合力的切削作用，就有金属颗粒脱离母体而流失。
If the wall bear force of the cutting, metal particles from the matrix and erosion.
切削加工性能好，具有较高的综合力学性能，主要用于承受较大冲击载荷和振动的重要结构件。
This high comprehensive mechanical property steel is aiming at the important structure received higher impact load and intensive vibration.
切削加工性能好，具有较高的综合力学性能，主要用于承受较大冲击载荷和振动的重要结构件。
This high comprehensive mechanical property steel is aiming at the important structure received higher impact load and intensive vibration.
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