Welding in the future to the pipe to stop pickling and passivation disposal.
焊好今后要对管件停止酸洗和钝化处置。
Fbutt welding of the carbon steel pipe.
用于各种碳钢钢管的环缝对接。
Special welding equipment must be developed, to achieve Cu-Al pipe weldment in high quality.
为实现铜-铝管的优质焊接，需要研制相应的焊接设备。
The result shows that welding quality of steel pipe is improved obviously.
实施结果证明，钢管的焊接质量得到明显的提高。
In order to convenient welding, pipe and the connecting pipe steel is the same.
为了焊接方便，管件与被连接的管子的钢种是相同的。
This pipe material has high strength and its welding process is complicated.
这种管材强度高、焊接工艺复杂。
Meanwhile the specific ways to improve J55 welding pipe quality are put forward.
同时提出了提高J5 5焊管质量的具体途径。
Serial number refers the non - welding pipe rack number.
序号代表第几个非焊缝管架。
For butt welding of the carbon steel pipe.
用于各种碳钢钢管的环缝对接。
For butt welding of the carbon steel pipe.
用于各种碳钢钢管的环缝对接。
应用推荐