Development Of Welded Steel Pipe

- Jun 30, 2017 -

The "Twelve-Five" development outline clearly suggests that the total length of oil and gas pipelines will exceed 150,000 kilometres by 2015, which will increase by 90% over 2010. It is estimated that in the next 4 years, we need about 7.008 billion tons of welded pipe in oil and gas pipeline. X80 steel grade of which about 5 million tons, X70 steel level demand of about 3 million tons; while the "Twelve-Five" period of China's oil and gas pipelines with ssaw (spiral submerged arc welded pipe) annual demand will exceed 5 million tons, lsaw (straight seam submerged arc welded pipe) annual demand of more than 2 million tons. During the "Eleven-Five" period, China's oil and gas pipeline construction continued to develop rapidly, especially with the rapid increase of natural gas demand, the gas pipeline became the keystone of pipeline construction. To the end of "Eleven-Five", our country accelerates the distribution of oil and gas pipe network, and the oil and gas backbone pipe network covering the whole country has been preliminarily built, and the future of our country's oil and gas supply will be strengthened. Data show that as of the end of 2010, the total length of oil and gas pipelines in China is about 85,000 km, of which 45,000 km of natural gas pipelines, crude oil pipelines 22,000 km, oil pipeline 18,000 kilometers, forming a trans-east, north-south, covering the whole country, connected overseas oil and gas pipeline network pattern.

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