The quality of resistance spot welding of low carbon steel and high strengthlow 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
The gear reducer for high strengthsteel carburizing carburizing hardening low noise transmission.
减速器的轮为高强度渗碳钢，经渗碳淬火处理，传动噪音低。
3
Carbon steel has high and low temperature strength is very tough and has excellent fatigue strength.