free-cutting steel

Contrast and analysis machinability of free-cutting steel of home and abroad;

国内外易切钢切削性能对比分析

Reach a conclusion, in now available technological condition, control suitable technological parameter so will produce batch Y45S20 free-cutting steel.

本文对通钢一炼钢Y45S20易切钢的开发实践进行了总结,对试生产中“跑硫”的原因进行了分析,并提出了合理控制硫含量的有效途径。

As sulfur contained free cutting steel with the contents of [S]=0.

含硫易切钢中硫含量高达 0 。

Technological properties of semikilled and killed free cutting steels have been compared and mechanical properties of semikilled free,cutting steel have been studied by mathematical statistics,comparing with the national,Japanese and ISO standards.

对半镇静易切钢与镇静易切钢做了工艺性能比较，用数理统计方法研究了半镇静易切钢的力学性能，并同国家标准、日本及国际标准（ＩＳＯ）进行了比较。

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。

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。

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

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

Process practice and analysis on free-cutting steel XY45;

易切削钢XY45的工艺实践与分析

Present Status and Development of Research on Free Cutting Steel at Home and Abroad;

国内外易切削钢的现状和研究进展

Present research status and prospects on free cutting steel at home and abroad;

国内外易切削钢的研究现状和前景

Through researching the chemical composition,properties and smelting process of the XY45 free cutting steel,the productive essentialities of this steel were mastered.

通过对XY45易切削钢的成分、性能、冶炼工艺的探索,掌握了该钢种的生产要点。

ICP-AES Determination of Pb in Free-cutting Steel

电感耦合等离子体原子发射光谱法测定易切钢中铅含量

Heat treated steels, alloy steels and free cutting steels. Part 11: wrought, case hardening steel

热处理钢、合金钢与易切削钢，第十一部分：锻造表面硬化钢

This kind of steel is easier to machine or cut.

这种钢材容易加工或切削。

Free-cutting steel--Technical requirements

GB/T8731-1988易切削结构钢技术条件

Development of Environment-friendly Containing Bi Low-Carbon High-Sulfur Free-Cutting Steel

环保型含Bi低碳高硫易切削钢的开发

Practice for LF(VD) Refining of Medium Carbon Sulfur Free-Cutting Steel

中碳硫系易切削钢LF(VD)精炼实践

Optimization of Rate of Manganese to Sulfur for Free-cutting Steel 9SMn28 Based on CAFE Methods

基于CAFE法优化易切削钢9SMn28锰硫比

Study on Rolling Process and Properties of 46S20 Free-cutting Steel

易切削钢46S20轧制工艺及性能的研究

Optimization of Manganese,Silicon and Sulfur Contents in 9SMn28 Free-cutting Steel Based on a CAFE Method

基于CAFE法优化易切削钢9SMn28锰、硅、硫含量

MICRO ANALYSIS ON MODIFICATION TREATMENT OF NEW TYPE EASY CUTTING PLASTIC DIE STEEL

新型易切削塑料模具钢改性处理的微观分析

Research and Development of a New Kind Free-cutting Stainless Steel for Ball Pen Point

新型圆珠笔头用易切削不锈钢的研究与开发

Elevated Temperature Ductility of Cast Bloom of Non-Quenched and Tempered Free Cutting Steel 38MnVS

非调质易切削钢38MnVS连铸坯的高温延塑性

Heat treated steels, alloy steels and free cutting steels. Part 5: wrought, quenched and tempered maganese steel

热处理钢、合金钢与易切削钢，第五部分：精炼调质锰钢（已撤销，由683.1-87取代）

Heat treated steels, alloy steels and free cutting steels. Part 7: wrought, quenched and tempered chromium steel

热处理钢、合金钢与易切削钢，第七部分：精炼调质钼钢（已撤销，由683.1-87取代）

Heat treated steels, alloy steels and free cutting steels. Part 8: wrought, quenched and tempered chromium nichek molybdenum stee

热处理钢、合金钢与易切削钢，第八部分：精炼调质铬镍钼钢（已撤销，由683.1-87取代）

Effect of Ca-Si Treatment on Morphology and Ingredient of Sulfide in Free Cutting Non-Quenching-Tempering Steel 30MnVS

Ca-Si处理对易切削非调质钢30MnVS中硫化物形态和成分的影响

free cutting stainless steel

易车(快削)不锈钢

If the flammable gas source cannot be stopped, action must be taken to cool and to protect nearby equipment and cylinders from the fire.

如果易燃气体源头不能切断的话，必须采取行动来冷却和保护负荆的设备和钢瓶，以防它们起火。