1) Non-quenching-and-tempering free-cutting steel
非调质易切削钢
1.
Cracking occurred on automobile crankshaft which is made of 49MnVS3 Non-quenching-and-tempering free-cutting steel during operation test of the engine.
49MnVS3非调质易切削钢汽车曲轴在进行发动机例行工况试验时发生断裂。
2) easy-cutting non-quenched-and-tempered steel
易切削非调质钢
1.
The easy-cutting non-quenched-and-tempered steel YF35MnV for car engine connecting rod is developed successfully with super-low-oxygen steel making process,which uses high-basicity slag and combination of direct and diffusion deoxidation,steady nitrogen-increasing and sulphur-increasing technique,a continuous casting process being able to control segregation of sulphur.
采用高碱度炉渣、直接脱氧和扩散脱氧相结合的超低氧钢生产工艺、稳定的增氮增硫技术、控制硫偏析的连铸工艺,成功开发了轿车发动机连杆用易切削非调质钢YF35MnV,该钢种的各项性能指标满足轿车连杆用钢的要求。
3) cuteasily nonhardened & tempered steel
易切非调质钢
4) non-tempered easy cutting steel
非调质易切钢
1.
Contrast on the cutting forces of using YT15 carbide tool to turn the standard 45 steel and the YF45MnV non-tempered easy cutting steel;
用YT15刀具加工标准45钢与非调质易切钢YF45MnV的切削力对比
5) free-machining steel
易切削钢
1.
For the free-machining steel, some earlier investigations showed that the globular inclusions are more helpful than the thready inclusions to improve the machinability.
通过自行设计的高温显微切削装置,在不同温度上对含有球状稀土硫化物夹杂的易切削钢进行了高温显微切削实验,观察到球状稀土硫化物夹杂在显微孔洞扩展过程中发生滚动。
2.
A random fractal model for the crack propagation of free-machining steelsduring impacting transversely was proposed.
建立横向冲击时易切削钢裂纹扩展的随机分形模型，计算了冲击断口的随机分形维数Ｄ，比较和分析了Ｄ、非随机分形维数与实测分形维数。
6) free-cutting steel
易切削钢
1.
Inclusion morphology control in medium-carbon calcium sulphur free-cutting steel;
中碳钙硫易切削钢夹杂物形态控制
2.
A Study on Smelting and Properties of Tin-Bearing Free-Cutting Steel;
含锡易切削钢的冶炼和性能研究
3.
Process practice and analysis on free-cutting steel XY45;
易切削钢XY45的工艺实践与分析
补充资料：质易
1.指买卖交易。 2.质朴坦率。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条