The situation facing our country's steel pipe industry has opportunities and challenges, and the opportunities are greater than the challenges. To do a good job in the steel pi
According to the relevant data of the National Bureau of Statistics, according to incomplete statistics, as of 2019, our country has about 3,000 sets of various types of welded pip
Since the reform and opening up, China's steel pipe industry has achieved leapfrog development and made remarkable achievements. Our country has increased infrastructure constr
The production methods of large-diameter longitudinal submerged arc welded pipes (20-64in) for oil and gas transmission pipelines mainly include UOE method, RBE method, C forming m
The mid-diameter welded pipe unit (8-26in) was the first to use the counter-roll forming method, but since the emergence of the row forming method in the 70s of the 20th century, t
There are many forming methods for small-diameter welded pipe units (units below 8in), the earliest is the guide plate forming method and the counter-roll forming method (including
After the Third Plenary Session of the 11 th CPC Central Committee, China has extensively participated in international exchanges and introduced advanced technology. Starting from
During this period, larger pipe rolling workshops were also built and put into operation, and began to produce special pipes required by petroleum, aerospace, ships, boilers and ot
China's steel pipe industry has been popularized and developed to a certain extent during this period. First of all, on May 1, 1960, Shanghai No. 1 Iron and Steel Plant built a
Ansteel is the cradle of China's steel pipe industry. In the restoration and construction design of Ansteel, the government proposed that the Soviet Union supply a complete set
In the early stage of the development of the steel pipe industry At the beginning of the establishment of the People's Republic of China, on the vast land of the motherland, th
Since the reform and opening-up, China's steel pipe industry has achieved leapfrog development and remarkable achievements. At the policy level, China has strengthened efforts in i