The quality of resistance spot welding of lowcarbonsteel 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。
2
Galfan wire, galvanized lowcarbonsteel wire is 5% aluminum alloy, the alloy composition mixed trace rare earth zinc alloy layer.
高尔凡钢丝，低碳钢丝的镀锌层是合金，合金成分5%铝-混合微量稀土合金锌层。
3
High speed rail material: lowcarbonsteel wire high speed rail production process: weaving and welding.