Chemical composition of welding wire的意思|示意

The chemical composition, mechanic property, weldability and corrosion resistance of argon arc welding wire for low carbon steel pipe line are contrasted and analyzed.

对低碳钢管线用的氩弧焊丝的化学成分、机械性能、 可焊性能、 耐腐蚀性能进行对比分析，为合理选用焊丝提供了依据。

To draft the chemical composition, rolling system of wire rods for welding wire for test, and the heat-treatment and drawing system for welding wire production.

拟定了试验用焊丝盘条的化学成分、轧制制度，以及焊丝生产的热处理和拉拔制度。