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Application of Xionggu automatic pipeline welding machine in the 6th lot of Russia-China pipeline

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Application of Xionggu automatic pipeline welding machine in the 6th lot of Russia-China pipeline
View:- Date:2020-12-05 12:14:52

The sixth lot of Russia-China pipeline (Changling Yongqing) is located in Huludao City, Liaoning Province, passing through Nanpiao, Lianshan, Xingcheng and Suizhong. The length of the lot is 166.9 km, ranking the second longest lot in the whole pipeline. The pipe diameter is d1219mm, the pressure is 10MPa, and the material is X80.

pipeling welding

At present, 7 sets of A-810 / 56 pipeline internal welding machine and 76 sets of A-610 pipeline double torch external welding machine have been put into use in mainline of the project. There are 14 sets of A-300N and 10 sets of A-305 in operation in tie-in in total.

pipeline welding

pipeline welding

The qualified rate of welded pipe joints by AUT and RT inspection ranks the first in all lots. According to statistics, the average one-time qualified rate by AUT is 98.02%, 97.24% by RT. Among them, the qualified rate of automatic welding machine of the first spread is as high as 99.02%. The welding qualified rate is always the first in the ten lots of the whole pipeline project. The successful completion of the mainline welding has laid a solid foundation for the project.

pipeline welding