加入镍和铜，钢的淬透性提高，硬度增加；
The addition of Nickel and Copper improves the hardenability and the baldness.
铬能进步钢的淬透性和耐磨性，能改进钢的抗腐蚀才能和抗氧化效果。
Chromium can improve the steel's quenching and wear resistance, can improve the corrosion resistance and oxidation resistance of steel.
介绍了硼元素的特点及其在钢中的作用，微量硼可以明显改善钢的淬透性和韧性。
The characteristics of boron element and its effect in cast steel are introduced. Microamount boron can improve the hardenability and toughness of carbon steel.
在此基础上对钢的淬透性影响因素、晶粒细化及非金属夹杂物控制等进行了详细研究。
On the basis of the above, gear steel's hardenability, grain refinement and nonmetal inclusion control elaborate have been discussed.
热处理：钢及有色金属的常规热处理与化学热处理，钢的淬透性测试，钢的表面处理等。
Heat processing: normal heat treating and chemical heat treating of steel and nonferrous metal; testing the hardenability of steel; surface treatment of steel.
通过采取有效措施，可以进一步提高钢的淬透性，指出了下一步生产CF - 6 2应注意的问题。
Taking some effective measures, the hardenability of this steel can be improved. The attentive problems during future production of this steel have been put forward.
该钢具有优良的淬透性。 已在高应力、高性能汽车板簧，变截面板簧、轿车前、后悬架簧上进行试验和应用。
The test and application of the steel used for high stress and properties auto leaf spring, variable section leaf spring, suspend self spring have been carried out.
对减小齿轮钢的成分波动范围，保证窄淬透性的控制有重大意义。
This is very useful for decrease on composition fluctuation range of gear steel and control on narrow fluctuation hardenability.
本文提出了基于支持向量机模型预测钢淬透性的方法，并分析了核函数的选择对支持向量机建模的影响。
In this paper, an SVM-based approach applied to predict steel quenching degree is presented, and the effects of selecting kernel function on SVM modeling are also analyzed.
反之，也可根据对某一直径钢球的淬硬层深度的要求，选择具有适当淬透性的钢种。
Conversely, according to the demand of hardening depth of a certain diameter of steel sphere, a steel kind of suitable hardenability can be selected.
“C”曲线测定结果表明，设计钢具有高的贝氏体淬透性，可在较大截面上获得均匀的组织和性能。
The results of measurement of the "C" curve show that the steels designed have a high bainitic hardenability and the uniform structure within a bigger cross section can be obtained.
本文介绍了60D低淬透性钢万向节十字轴和循环球转向螺杆的各项性能及装车使用试验情况。
This paper presents the properties of the U-joint spiders and the worms of recirculating ball steering gear which made from a low quenchability steel 60D, as well as their testing results on the road.
研究了硼淬透性因子与硼的晶界平衡集聚规律、钢的成分、奥氏体化温度及晶粒尺寸的关系。建立了硼的晶界平衡集聚方程。
The relationship between the boron hardenability factor and the equilibrium segregation of boron to grain boundary, the composition of steel, the austenitizing temperature, grain size was studied.
钢淬透性的定量计算在结构件钢种的设计与制造中具有重要意义。
Quantitative calculation of steel quenching degree has very important significance for design and manufacture of steel species applied to structure.
微量嫁对钢的屈服强度，淬透性及抗蚀性均有微小的改善作用。
Traces of Gallium can slightly improve the yield strength, the hardenability and the corrosion resistance of the steels.
微合金化对提高15B37HC钢的强度、硬度、韧性和淬透性均有显著效果。
The strength, hardness, toughness and hardenability of 15B37HC steel can be significant improved after being micro-alloyed.
莱钢生产的20crmntih钢成分波动较大，淬透性带8 ~10hrc，范围较宽，这制约齿轮钢质量档次的进一步提高。
The component fluctuation of 20crmntih steel produced by Laiwu steel was larger and the hardenability bands was 8 ~ 10 HRC, which restrained gear steel from improving quality grade further.
莱钢生产的20crmntih钢成分波动较大，淬透性带8 ~10hrc，范围较宽，这制约齿轮钢质量档次的进一步提高。
The component fluctuation of 20crmntih steel produced by Laiwu steel was larger and the hardenability bands was 8 ~ 10 HRC, which restrained gear steel from improving quality grade further.
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