重点叙述了宝钢在钢中碳、氮、氧、磷、硫以及夹杂物控制方面的技术进步。
The progress in control technology of carbon, nitrogen, total oxygen, phosphorus, sulphur as well as inclusions in steel is discussed at Baosteel.
分析了钢中碳、锰、铌、钒和钛等元素对管线钢组织和性能的影响,以及硫、磷、氧等杂质元素对钢的性能影响。
The effect of carbon, manganese, vanadium and titanium on the microstructure and properties, as well as the effect of sulfur, phosphorus and oxygen on properties were investigated.
马氏体不锈钢淬火后的硬度随钢中碳含量增加而增高,当碳含量达到0.6%左右后,钢的硬度基本上不再增高。
The hardness of quenched martensitic stainless steels increases with carbon content and it reaches a nearly invariant value as the carbon content in steels is higher than about 0.6%.
钢是铁与碳的合金,焦煤便是熔炼过程中碳的来源。
Steel is an alloy of iron and carbon. Coking coal is a source of carbon in the smelting process.
由于碳在这类钢中的含量很高,用高碳钢制作的零件通常很难被加工和焊接。
Since the carbon content of these steels is so high, parts made from high carbon steel are normally difficult to machine and weld.
Q 460e钢正火可以达到某些中碳调质钢的力学性能要求。
Mechanical properties of normalized Q460E could reach the requirement of some medium carbon quenched and tempered steel.
本文在真空碳脱氧碱性平炉转子钢的试验中,就非金属夹杂物的特性,分析了真空碳脱氧这一新的工艺对转子锻件中非金属夹杂物的影响。
This paper analyzes the effect of vacuum carbon deoxidation process on the characteristic of the non-metal inclusion in the rotor forgings which were made of BOH steel by vacuum carbon deoxidation.
在钢铁冶炼工艺中,为了实现钢水精炼和冶炼洁净钢的目的,在钢包上使用无碳耐火材料成为必不可少的重要手段。
In order to achieve the goal of refining liquid steel and smelting clean steel, using of no-carbon refractory for ladles is very important in iron and steel smelting processes.
因此在LF精炼时减小碳和合金加入量可减少钢中氮含量的增加。
Therefore the amount of carbon and alloy addition should be decreased during LF refining to decrease the raise of nitrogen in steel.
本文主要介绍中碳合金结构钢经整体塑性变形、热处理后再进行表面冷变形工艺是提高材料疲劳强度的有效途径。
This paper mainly presents that constructional mid-carbon alloy steel, after bulk moulding deformation, heat treatment and cold surface deformation can raise fatigue strength of materials effectively.
冷镦钢盘条一般为低、中碳优质碳素结构钢和优质合金结构钢,用来冷镦成型制造各种机械标准件和紧固件。
The cold heading steel coil generally is low and medium carbon quality steel and alloy structure steel to manufacture various standard mechanical element and fastener by cold heading forming.
碳氮化钒是氮化钒和碳化钒的固溶体,是重要的钢中添加剂。
Vanadium nitride and carbide, as a solid solution, is an important additive to steel.
它一般是指中碳结构钢和中碳合金结构钢。
It generally refers to the carbon structural steel and medium carbon alloy steel.
根据扩散理论和高速钢加热过程中基体的含碳量变化规律,对复合板材热加工过程中碳的迁移进行了讨论。
The diffusion of carbon in hot working process of cladding sheet is analyzed based on diffusion theory and variations of carbon concentration in the high-speed steel matrix.
研究了中碳含硅贝氏体钢不同组织结构对高应力冲击磨损行为的影响。
The high stress impact wear behaviors of bainite steel containing silicon with different microstructure were studied.
在微合金化钢的强化机理中,第二相,主要是碳氮化物的析出强化是最重要的影响因素。
Among the strengthening mechanisms, precipitation strengthening of the second-phase, mostly carbonide and nitrides, was the brief mechanism indeed.
通过采用控制出钢终点碳和预脱氧,加强精炼脱氧和出钢软吹,做好保护浇注等措施,降低了钢中氧含量。
The measures of controlling aim carbon content and pre-deoxidation, consolidating refining deoxidation and light blow after steel tapping, protective casting, etc.
从理论上论证了低碳铝镇静钢在精炼过程中的增硅问题,指出在目前的生产条件下,增硅现象是不可避免的,并结合生产实际提出了几条改进措施。
The adding-silicon in refining of low-carbon-aluminium is demonstrated in theory, it is pointed out that it could not avoid under present production condition, some measures to improve proposed.
通过降低钢中的碳及碳化物形成元素的含量可减少CGHAZ中粒状贝氏体的数量,从而提高钢的CGHAZ的冲击韧性。
The content of granular bainite is decreased with the decrease of carbon and carbide forming elements, and the impact toughness of CGHAZ of the steel is increased at the same time.
用多相、多组元平衡的热力学计算方法,对稀土碳锰纯净钢中夹杂物的析出和转化进行了计算。
Thermodynamic calculation on balance of multi-phases and multi-components was used to analyze the precipitation and transformation of inclusions in high purity carbon-manganese steel with La or Ce.
叙述了正火工艺对中碳非调质钢组织和力学性能的影响。
In this paper, the effect of normalization process on microstructure and mechanical properties of medium carbon non-quenched and tempered steels is introduced.
为了准确地检验高碳过共析钢盘条中的网状渗碳体,分别对选用硝酸酒精溶液侵蚀和碱性苦味酸钠水溶液热侵蚀两种显示方法进行了比较。
In order to detect the carbide network in high carbon hypereutectoid steel wire rods accurately, two kinds of detection method of the carbide network are compared.
结果表明,在中、低冲击磨料磨损条件下,试验钢的耐磨性优于中碳低合金耐磨钢和高锰钢。
Under lower and medium impact energy, the abrasive wear resistant performance of the steel metioned is higher than that of low alloyed medium carbon wear resistant steel and high manganese cast steel.
中薄板坯连铸机生产低碳高铝钢过程中,浸入式水口堵塞的主要原因是水口与钢水之间产生化学作用和钢水中的氧化铝夹杂物在水口壁上沉积。
The main reason that the submerged nozzle clogged during continuous casting of high aluminum low carbon steel is aluminate that aggraded the submerged nozzle wall.
介绍了韶钢低碳拉丝用钢抗拉强度偏高的情况,分析表明钢中微量元素铜、砷、锡含量高是导致低碳拉丝用钢强度高的主要因素。
Low carbon steel for wire drawing has higher tensile strength in SGIS. The analysis showed that higher tensiles strength was mainly originated from the high content of Cu, As, Sn in steel.
采用合适的TMCP工艺,可以在低碳合金管线钢中获得不同组成比的针状铁素体复相组织。
By using appropriate TMCP process, complex phase of acicular ferrite with different compositions could be obtained in low carbon alloy pipeline steel.
介绍优质无碳砖的研制及其在精炼钢包生产纯净钢和超低碳钢中的应用。
This paper introduces the development of high quality no - carbon brick for refining ladle and the application in the production of clean steel and ultra - low - carbon steel.
实验钢抗拉强度与贝氏体中MA岛含量和MA岛中的碳含量有关;
The tensile strength of test steel depends on MA island content and carbon concentration of MA islands.
实验钢抗拉强度与贝氏体中MA岛含量和MA岛中的碳含量有关;
The tensile strength of test steel depends on MA island content and carbon concentration of MA islands.
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