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Pipeline leak monitoring system
The pipeline leakage monitoring system is the pipeline leakage information management, which monitors the liquid (crude oil or other liquids) transportation pipelines throughout the day, minute and second. Once the pipeline leaks, the monitoring system can alarm in time through its information ma...Read more -
ERW PRICE LIST
Hunan Great Steel Pipe Co., Ltd 22ND FLOOR, ROYAL WING BUILDING IN LONGCHAMP INTERNATIONAL MANSION, NO.9, XIANGFU ROAD, CHANGSHA CITY HUNAN, P.R. CHINA ERW PRICE LIST Date:June 09th, 2020 Diameter 21.3-426mm API 5L/ASTM A53 GR.B Size(OD*WT(mm) Unit Price(US$/Ton) Size(OD*WT...Read more -
SMLS PRICE LIST
Hunan Great Steel Pipe Co., Ltd 22ND FLOOR, ROYAL WING BUILDING IN LONGCHAMP INTERNATIONAL MANSION, NO.9, XIANGFU ROAD, CHANGSHA CITY HUNAN, P.R. CHINA SMLS PRICE LIST Material: API5L/ASTM A106/ASTM A53 GR.B ...Read more -
China steel futures dip on global weak demand, rainy season uncertainties
China steel futures dip on global weak demand, rainy season uncertainties Shanghai rebar, HRC futures fall in early trade Iron ore futures retreat from two straight sessions of gains Spot iron ore prices jump to $106 per tonne BEIJING, June 9 (Reuters) – China’s steel rebar and hot-ro...Read more -
Steel China’s Jan-May steel exports down 14%, imports up 12%
Over January-May, China’s steel exports declined more steeply by 14% on year, while steel imports rose 12% on year, according to the latest statistics from China’s General Administration of Customs (GACC) on June 7, as lower-priced overseas supplies had been sold to China when steel demand in oth...Read more -
Classification of pipeline trenchless technology
Trenchless technology can be divided into three categories: laying new pipelines, repairing and replacing old pipelines, and detecting the original pipeline network. 1.Construction techniques for laying new pipelines: shield method, pipe jacking method, pilot / directional drilling pipe laying me...Read more -
Tensions between China and the United States reignite and U.S. oil prices fall
Over the past few weeks, oil prices have continued to rise, but because there is no sign of recovery in the short term, the upward momentum has stalled. At the same time, this week, the tension between China and the United States has put heavy pressure on the financial and commodity markets. Tens...Read more -
During the production cut, Saudi Arabia mainly exports oil to China
Early observations of Saudi Arabia ’s crude oil exports in May showed that although China has just recovered from the new crown epidemic, the historic production cuts have not contained the momentum of Saudi Arabia ’s massive oil exports to China. Oil depot records and equipment data show that as...Read more -
Adaptability of epoxy resin coated steel pipe
Epoxy resin coated steel pipe coating is a thermosetting plastic, which combines the advantages of steel and plastic, and its scope of application includes: 1. Fire sprinkler system and domestic water supply and drainage; 2. Gas drainage, mud transportation and ventilation system in the coal mine...Read more -
The difference between plastic-lined steel pipe and steel-plastic composite pipe
The difference between plastic-lined steel pipe and steel-plastic composite pipe 1. Toxicity The steel-plastic composite pipe is a five-layer composite pipe. The inner layer is non-toxic and non-polluting, but the main material of the inner layer of the plastic-lined steel pipe is epoxy resin pow...Read more -
What is plastic-lined composite steel pipe?
An emerging composite pipe material, referred to as steel-plastic pipe. There are many classifications of steel-plastic composite pipes, which can be classified according to the structure of the pipe: steel belt reinforced steel-plastic composite pipe, seamless steel pipe reinforced steel-plastic...Read more -
The difference between galvanized products
1) Both the inner and outer walls of the hot-dip galvanized steel pipe are galvanized, while the cold-galvanized steel pipe is only galvanized on the outer wall. 2) The cold plating layer is uniform and the thickness is very thin; the hot plating layer is thick and the thickness is not uniform. ...Read more