As Steelworkers, we are interested in the heat treatment of metals, because we have to know what effects the heat produced by welding or cutting has on metal.
钢铁工人最感兴趣的东西莫过于金属的热处理，因为我们得了解焊接与切割时产生的热对金属的影响。
Some use of hydrogen is made in the welding and cutting of metals. Hydrogen is also used by semiconductor manufacturers, primarily to form reducing atmospheres.
在金属的焊接和切割中氢也有应用。半导体制造商也使用氢，主要是形成还原气氛。
Some use of hydrogen is made in the welding and cutting of metals.
在金属的焊接和切割中氢也有应用。
C2H4, derived from natural gas and petroleum and used as a source of many organic compounds, in welding and cutting metals, to color citrus fruits, and as an anesthetic.
乙烯一种无色易燃气体，C2H4，可从天然气和石油中获得，用作许多有机化合物的来源，用于焊接和切割金属，柑桔属水果的着色，以及用作麻醉剂。
Therefore, it is very suitable for welding the thin-wall construction of ferrous and nonferrous metals.
因此这种电源很适合于黑色及有色金属的薄壁结构件焊接。
Argon serves as a shielding gas to protect metals from oxidation during welding. Inert gas welding is the preferred method of joining several ferrous and nonferrous alloys.
焊接中，氩作为保护气防止金属氧化。惰性气体焊接是连接几种含铁和不含铁的合金的首选方法。
English Name: welding consumables - Technical delivery conditions for welding filler metals - Type of product, dimensions, tolerances and markings.
简体中文标题：焊接消耗品。焊接填充金属的交货技术条件。产品的类型、尺寸、公差和标记。
Copper and copper alloys are one of the most widely used metals due to their excellent electric conductivity, heat conductivity, and welding ability.
铜和铜合金具有优良的导电性、导热性和可焊性，是目前应用最广的金属材料之一。
Moreover, CrN coating also has excellent welding resistance with non-ferrous metals, and is also applied for surface coating to cutting tools of copper material, for example.
本涂膜对有色金属有很高的耐溶接性，适用于铜材料等切削工具的表面涂膜加工。
Characteristics of joining ceramics to metals by welding are summed up.
概述了陶瓷-金属焊接的特点。
The paper analyses the weldabilities of four kinds of dissimilar metals welding joints and also discusses the design of welding grooves, selection of filler metals and welding code.
本文分析了高压氨洗塔中四种复杂的异种钢接头的焊接性能，对接头坡口设计、焊材的选用、工艺规范的选取进行了深入的探讨。
The advantages and disadvantages of various welding methods and development of filler metals and fluxes are introduced.
介绍了各种焊接方法的优缺点以及钎料、钎剂的开发进展。
And the international trends in the welding research of equipments, procedures, materials and weldability of metals are also described.
同时，还分别介绍了焊接设备、焊接工艺、焊接材料及关于金属焊接性研究的世界趋势。
Effective welding of heterogeneity metals was of great pragmatic importance in modern hi-tech area. W plate and Ni thread were joined by using resistance spot-welding.
异种金属的有效连接在高新技术领域具有实际意义，采用电阻点焊方法焊接稀有金属钨片和镍丝。
The repair welding method comprises the following steps: firstly, preparing a protectant for repair welding and deposited metals according to material compositions of a large forged piece;
本发明的补焊方法，包括以下步骤：首先根据大型锻件的材质成分，制备补焊用保护剂和熔敷金属；
The principle of choose on welding material of alter-asphalt in every kinds of tanks or tubes is: the character of welding seam metals should be higher than the original welding material.
改性沥青各种罐与管道用焊接材料选择的原则是：焊缝金属的性能应高于或等于母材性能。
To the difficulties of dissimilar metals welding, advantages and disadvantages of general welding ways are studied.
针对异种金属焊接存在的难点，综述了常用的焊接方法及其优缺点。
DN and DN1 series marsh welders are widely used in the welding of low carbon steel strip, corrosion resistant plate, wires, silver contact and lots of non-ferrous metals.
DN 1系列点焊机广泛应用于工业生产中低碳钢板、不锈钢板、线材，银触头及大部分有色金属的焊接。
Milling machines for preparation of welding edge profiles on plates and strips of steel and non-ferrous-metals!
铣削机板和条钢和非铁金属焊接边型材准备！
Some tests with many sorts of metals combination under symmetrical impact explosion welding were studied, and a sort of flying line-adiabatic shear line in those metals combination was obtained.
摘要进行了几种金属组合的对称碰撞爆炸焊接试验。获得了这些金属组合中的飞线—绝热剪切线。分析了这种飞线产生的工艺、原因、性质和影响。
The invention realizes preheating before repair welding, and the strength of a repair welding joint is more than that of the deposited metals.
本发明实现了补焊前的预热，补焊接头强度大于熔敷金属自身的强度。
The invention realizes preheating before repair welding, and the strength of a repair welding joint is more than that of the deposited metals.
本发明实现了补焊前的预热，补焊接头强度大于熔敷金属自身的强度。
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