碳钢

Requirement on steel cleanliness is more and more strict with the development of steel grades smelted in converter changing from traditional plain carbon steel to high extra value grade.

随着转炉冶炼的钢种由传统的普碳钢向高附加值钢种方向的发展，对钢的纯净度提出了越来越高的要求。

Because of their improved physical properties they are used commercially in many ways not possible with carbon steels.

由于 合金钢改善的物理性能，它们被大量使用在许多碳钢不适用的地方。

The worn surface of the sulfurized steel disc was observed with a scanning electron microscope, while the chemical states and phase structure of carbon-nitrided carbon steel and of the sulfurized one were examined by means of X-ray photoelectron spectroscopy and X-ray diffraction.

采用MPX-200型摩擦磨损试验机考察了碳氮共渗及室温电解硫化处理后的20#碳钢的摩擦学性能，探讨了在干摩擦条件下载荷、渗硫处理时间和滑动摩擦时间对渗硫层摩擦系数的影响。

The worn surface of the sulfurized steel disc was observed with a scanning electron microscope, while the chemical states and phase structure of carbon nitrided carbon steel and of the sulfurized one were examined by means of X ray photoelectron spectroscopy and X ray diffraction.

采用MPX-200型摩擦摩损试验机考察了碳氮共渗及室温电解硫化处理后20^#碳钢的摩擦学性能，探讨了在干摩擦条件下载荷、渗硫处理时间和滑动摩擦时间对渗硫层摩擦系数的影响。

Superimposing rotating magnetic field could reduce the total oxygen concentration of molten steel, in the situation of 80~120 r/min, the removal efficiency of total oxygen could be reached to 70% for molten carbon steel and 38% for molten stainless steel.

旋转磁场的施加使钢液中全氧含量迅速降低，在80~120r/min的转速下，碳钢可以获得约70％、不锈钢可以获得38％以上的全氧含量去除效率。

The design criterion,basic types and structural design of sulphuric acid storage tanks have been described in the article and corrosion of sulphuric acid on carbon steel and the impact caused been analyzed as well.

阐述了硫酸储罐的设计标准、基本类型及结构设计，分析了硫酸对碳钢的腐蚀及其由此造成的影响。

The inhibition action of chitosan quaternary ammonium was studied for carbon steel in sulfuric acid.

研究了壳聚糖季铵盐作为单组分缓蚀剂对碳钢在硫酸溶液中的缓蚀性能，以及缓蚀剂浓度、温度、时间和特性粘度、取代度等因素对缓蚀效果影响。

Ammonia pressure meter is a special meter for ammonia, used to measure various non-crystallized and solidified medium that have no corrosive action on common carbon system steel, alloy structural steel, Austenite stainless steel, or tinsel bar solder, principally applicable for measuring pressures of liquefied ammonia, gas, or other mixtures in cooling equipments in chemical fertilizer production.

简介 氨压力表为氨专用仪表，用于测量对普通碳钢、合金结构钢、澳氏体类不锈钢及锡铅合金钎焊料无腐蚀作用，非结晶和凝固的氨气、氨液介质的压力。主要适用于化肥生产过程中设备或其他中用来测量氨的液体、气体或其混合物等的压力。

Multi angle drill bit, chisel, hole saw, forstner bit, spade bit, auger bit, carbide hole saw, plier set, tool set.

W2G73 全方位多功能钻，石工凿，锁孔钻，碳钢孔锯，木工扁钻，支罗钻，碎粒孔锯，钳子，工具组套。

When condensers with carbon steel waterbox and titanium tube structure were protected by SACP in an ocean beach power plant,while seawater were used to be cooling water,carbon steel was under-protected and Titanium was over-protected,because their protective potential are less than-0.85Vvs.

滨海电厂常以天然海水作冷却水，其碳钢水室和钛管凝汽器在实施阴极保护过程中，要求钢电位应低于-0.85Vvs。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐