查询词典 alloy steel

The results indicated that ultra-low nitrogen (0.001 0%-0.008 0%, w/%) in low alloy steel could be determined accurately under such optimized analytical conditions as follow: the addition of deoxidizing agent was less than 0.35%, multi-head milling cutter should be chosen and the milling depth was 1.4 mm while sampling, the mass percentage of argon was no less than 99.999 5%, the washing time was set as 8 s, the precombustion time was set as 3. 3 s and energetic precombustion energetic measure optical source mode is adopted.

结果表明，取样时控制脱氧剂加入量不超过0.35%且选用多刀头铣刀盘，铣样深度为1.4 mm；在氩气的质量分数不小于99.999 5%，冲洗时间为8 s，预燃时间为3.3 s，采用高能预燃高能测量光源方式等优化的分析条件下，可有效测定低合金成品钢中质量分数为0.001 0%~0.008 0%的超低氮。

These CRM'S are for analysis of tool alloy steel by spectrochemical methods.

此类标样用于合金工具钢的光谱分析。

A corrosion equation of the oxygen concentration cell of low alloy steel in sea water is derived and proved.

在本文中推导和验证了低合金钢在海水中的氧浓差腐蚀方程。

Moreover, some news said export drawback of alloy steel will possibly be abrogated.

此外，有消息称，我国合金钢的出口退税也可能将被取消。

The mechanism of "white band formation" of alloy steel billets caused by electromagnetic stirring and their effects are discussed in this paper,and some improvement measures put forward.

对电磁搅拌产生的&白亮带&的形成机理及其影响因素进行了初步分析，并提出了改进措施。

Through the contrast cutting test of broaching the internal spiral keyslot of high strength alloy steel workpiece used broaches with and without coatings, the wear properties of broaches and the effect of re polishing rake face on cutting properties of broaches and the workpiece surface roughness are studied.

通过这两种涂层拉刀与未涂层拉刀的对比切削试验，研究了加工高强度合金钢内孔螺旋键槽时刀片的磨损性能及重磨前刀面对刀具切削性能和加工表面粗糙度的影响，并分析了提高涂层刀具寿命的机

Tool joints of our company are made of modified alloy steel, then fully heat treated. So the mechanical properties in accordance with API specifications, such as strength, hardness and impact strength are gaged to standard.

我公司生产的钻杆对焊接头严格按照 API 标准选用优质合金结构钢制造，通过特殊的热处理工艺达到预期的硬度、强度及韧性。

7 Preheating shall be carried out for carbon and low alloy steel welding where required.

在进行碳钢及低合金钢的焊接时应进行预热。

In order to make the alloy steel powder which conform to our need,the technique of high energy ball mill is studied.

高能球磨法是制备超细粉体的一种重要方法，但对不同的材料，制备粉体所需的工艺区别较大。

Limit;for alloy steel hooks(S-320A)30t-60t:breaking load is 5 times the working load limit.

30t-60t安全系数为4倍工作负荷。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。