The welding wire is used for welding low carbon structural steel and low alloy steel. Such as ships, Bridges heavy-duty machines, boilers and pressure vessel etc.
该焊丝用于焊接低碳钢和低合金钢结构，如船舶、车辆、桥梁、工程机械、锅炉和压力容器等。
2
The welding wire is used for welding low carbon structural steel and low alloy steel. Such as ships, heavy-duty machines, pressure vessel etc.
该焊丝用于焊接低碳钢和低合金钢结构，如船舶、工程机械、压力容器等。
3
With the comparison of three standards for carbon and low alloy steel pipes used in pressure vessel, the opinions of the author on the clauses in the document AQSIQ [2010] No. 86 were presented.