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.
X70钢的CO2腐蚀受到钢的成分、显微组织等冶金因素的影响。
CO2 corrosion behavior of X70 steel is affected by metallurgy factors such as the composition and microstructure of the steel.
影响结晶器传热的因素很多，如铸坯的拉速、钢的成分以及结晶器的结构等。
There are many factors affecting the thermal transfer in the mould, such as casting speed, composition of steel and structure of the mould.
通过对铆螺钢的成分与组织检验，对铆螺钢在冷镦时出现开裂现象的原因进行了分析。
The reason of cracking phenomenon occurring of the cold forging steel was analyzed by the composition and microstructure tests.
连续冷却相变实验研究表明，BP模型用于全贝氏体型非调质钢的成分设计是有效的。
The relation between chemical composition of alloyed steel and its hardness under continuous cooling is built by Back Neural Network(BP) method.
通过LF精炼炉与成分快速分析相结合，进行钢水成分微调，从而控制钢的成分波动范围；
To adjust finely the composition of molten steel by combining LF finery with fast analysis of composition, the composition control in a limited scope can be realized.
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.
但用来制造管道的钢中通常掺入了合金成分钴来增强材料的强度。
The steel used in the pipes, however, is usually alloyed with cobalt to make it stronger.
由于马氏体这一淬硬钢主要成分的不稳定性，使得回火成为可能。
Tempering is possible because of the instability of the martensite, the principal constituent of hardened steel.
其中也包括不锈钢卫生型管道，用来将两个混合容器和线上混合器的A -成分测量泵连接起来。
Stainless steel sanitary type piping is included to connect the two mixing tanks with the A-component metering pump of the In-Line Mixer.
采用等离子体浸没式离子注入对45钢进行氮离子注入。对注入表层的成分、组织和性能进行了分析。
A new plasma immersion ion implantation (PIII) technique was employed for implanting nitrogen ions in steel 45. The composition, microstructure and property of the implanted layer were analyzed.
对淬火开裂的S45 C钢零件进行了化学成分、金相组织、断口分析及硬度检测。
The chemical composition, microstructure, fracture morphology and hardness of cracked S45C steel parts were tested and analyzed.
分析了X80级钢的化学成分和金相组织。
It analyses the chemical composition and metallographic structure of grade X80 steel.
文章叙述了X80管线钢的化学成分、力学性能，并重点介绍了采用全自动焊和手工焊的焊接材料及焊接工艺。
This paper depicts the chemical composition, mechanical performance of X80 line pipes, giving emphasis to the welding materials and welding processes of fully automatic welding and manual welding.
钢含碳的成分越多，冷却得越快，那么钢就越硬。
The more carbon the steel contains and the quicker the cooling is, the harder the steel becomes.
当然知道。钢是以铁为主要成分的一种合金，它含有少量的碳和一些其他元素。
Sure. Steel is an alloy of the element iron with a small amount of carbon and some other element.
针对精炼与非精炼船钢低温冲击值的差异，分析了两种钢的化学成分、夹杂物和显微组织等对冲击值的影响。
For the difference of ship steel low temperature impact value, the effects of chemical composition, inclusion and microstructure of the refined and unrefined steel are analyzed.
模铸转连铸后，减轻了成分偏析，提高了钢的韧性。
After changing from mould casting into continuous casting, the composition segregation decreases and the toughness steel increases.
可为生产高洁净度管线钢的工艺选择和成分控制提供参考。
It also provides reference for the process choice and content control of high cleaness pipeline production.
设计的初炼炉出钢成分及其出钢温度，为GH1040母材在VOD精炼过程中提供了所需要的热能。
The appropriate tapping temperature and composition, designed for primary melting GH1040 base metal in arc furnace, provide necessary energy for VOD refining.
文中重点介绍了镍系低温钢钢板、锻件和焊接材料的化学成分和力学性能。
It emphasizes the chemical compositions and mechanical properties of low temperature nickel steel plates, forgings and welding materials.
介绍了德国1.4468高强度双相不锈钢的化学成分、金相组织、性能和精铸工艺特点。
The chemical composition, microstructure, properties of 1.4468 (German brand )high strength stainless steel with two phases and its technological features were introduced.
利用光学显微镜、扫描电子显微镜和电子探针研究了不同保温时间对钢液中非金属夹杂物的形状、成分和尺寸的影响。
The effects of different holding times on the shapes, compositions and sizes of the inclusions were investigated by using optical and scanning electron microscopes and by the electron microprobe.
对赛车链条用钢的化学成分及调质后的机械性能进行了研究，从而确定了适用赛车链条用钢的最佳化学成分。
The paper studies the chemical composition of steel for racing bicycle chain and the mechanical properties after being quenched, then the optimum chemical composition of steel is determined.
焊条药皮成分对不锈钢焊条工艺性能有较大的影响。
The component of electrode coating has certain effects on the usability of stainless steel electrode.
本文对45钢彩色化学镀镍磷的镀液成分、工艺参数、着色方法进行了比较深入的研究。
Ingredients of the bath processing parameter and coloration method are studied deeply with respect to colored electroless Nickle plating on 45steel.
扼要地介绍了C15不锈钢的化学成分、显微组织、力学性能、耐腐蚀性能和加工性能，为选材应用提供了判据。
This paper briefed chemical composition, microstructure, mechanical properties, resistant corrosion and workabalities of stainless steel C15. The criterion for its application was provided.
利用SEM、TEM研究了同一成分的热轧双相钢的马氏体体积分数对形变位错结构和断口组织特征的影响。
Effect of martensite volume fraction on deformation dislocation structure and fracture for hot rolled dual-phase steel of the same composition was studied by using SEM and TEM.
设计了用于含有固相颗粒的高温碱介质中的新型高铬铸造不锈钢的组织及化学成分。
The microstructure and composition of a high chromium cast stainless steel used in high temperature aqueous alkali with solid grains were designed.
研究了沙河市册井石灰石的物理性能、化学成分，参照邢钢的生产条件进行煅烧实验，并对石灰进行活性度测试。
In this paper, the physical properties and chemical composition of limestone from Cejing of Shahe are investigated and the activity of calcined lime are tested according to production condition.
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