碳钢

Temperature -196 ℃~ 680 ℃, the main valve of a carbon steel, alloy steel, stainless steel, ultra-low-carbon stainless steel, titanium, Monel, on the 20th alloys, and in accordance with the requirements of customers smelting and manufacturing.

工作温度-196℃～680℃，阀门主体材料有碳钢、合金钢、不锈钢、超低碳不锈钢、钛材、蒙乃尔、20号合金等，并可根据客户的要求冶炼和制造。

Panton B.E..Contraction of the welding arc caused by the flux in tungsten-electrode argon-arc welding. The Paton Welding Journal,2000,(1):pp5～11

在碳钢A-TIG焊中，使焊接熔深增加的主要原因有电弧收缩和表面张力梯度两个方面，起主要作用的是电弧收缩。

Rotary coupon test has been used to study corrosion inhibition of PESA, it has been found that when PESA was used separately, it has some effect of preventing corrosion.

采用动态旋转挂片法研究了PESA的缓蚀性能，发现PESA单独使用时对碳钢即有较好缓蚀作用，其缓蚀作用的本质是在材质表面生成了吸附膜，具有最佳缓蚀效果的分子量范围在750－1000。

Synergistic corrosion inhibition effect of polyepoxysuccinic acidand zinc ion on carbon steel was studied with hanging slice dynamic test;and the synergistic corrosion inhibition effect of PESA and benzotriazoleon copper was also studied.

用旋转挂片法研究了聚环氧琥珀酸与锌盐复配对碳钢缓蚀作用的协同效应；同时研究了聚环氧琥珀酸与苯并三氮唑的复配对黄铜的缓蚀协同效应。

Expression of change of the chemical composition with ferruginous surface of the mild steel in doing wet loop to corrupt a process quickly, structure is in rustily and earlier α- FeOOH content is inferior, rubiginous layer is loose, rustily speed is shown increase along with time of dry wet circulation and rise trend; later period follows α- the addition of FeOOH content and rubiginous layer become more compact, corrode change to drop to increase along with time of dry wet circulation.

在干湿循环加速腐蚀进程中低碳钢表面铁锈的化学组成、结构变化表现为在锈蚀初期α-FeOOH含量较低，锈层疏松，锈蚀速度呈随干湿循环次数增加而上升趋向；后期随α-FeOOH含量的增加和锈层变得更加致密，腐蚀转变为随干湿循环次数增加而下降。

Studied condition of air of imitate industry acid rain issues mild steel to corrode the rustily rate change below experimental condition quickly via doing wet loop.

梗概： 探究了模拟工业酸雨大气条件下低碳钢经干湿循环加速腐蚀实验条件下的锈蚀速度变化。

These CRM's are for analysis of carbon steel and mild low alloy steel by spectrochemical methods.

此类标样用于碳钢、中低合金钢的光谱分析。

It is concluded that the root cause of the actuator failure was attributed to using stellite alloy as welding filler material between carbon steel parts.

该电动头失效的根本原因是由于错用司太立合金作为焊接填充材料对碳钢零件进行焊接。

According to sameprocess condition conducted industry test in the unit,the neutralization taken place byenamel glass reactor,the shallow sulphonation conducted by steel –glass reactor,theclay refining occurred by carbon-steel reactor,finally obtained sulphonation refiningoil and sulphonate.

按照相同的工艺条件在白油/磺酸盐装置进行了工业试验，在搪玻璃反应器中磺化，玻璃钢反应器中中和，碳钢反应器中白土精制，得到磺化抽余油和磺酸盐。

Carbon steel,room temperature sulphurization,sulfide layer,friction reduction bhavior

居毅。20^#碳钢表面室温电解渗硫层的减摩性能。摩擦学报，2001，21(2)：98~101

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