For carbon steel and low alloy steel iron welding.

用于铸铁碳钢不锈钢和低合金钢的焊接。

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Preheating shall be carried out for carbon and low alloy steel welding where required. Preheating temperature shall be kept uniform from the start to the end of welding.

在进行碳钢及低合金钢的焊接时应进行预热。预热温度在焊接开始到结束期间应保持均衡。

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The quality of resistance spot welding of low carbon steel and high strength low alloy steel is studied by looking into the dynamic voltage characteristics of the electrodes.

本文通过对电阻点焊电极电压动态特性的分析，研究了低碳钢及低合金高强度钢电阻点焊的质量问题。

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To do the same job, HSLA (high-strength low-alloy) steels are up to 30% lighter than traditional carbon steels.

ECONOMIST: Tech.view: Unbearable lightness? | The

In 2000 Alloy churned out 100 books, but margins were low until Diamond and company decided to scale back the business and develop books that could work in other media.

FORBES: Magazine Article