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The U.S initially imposed anti-dumping duties on Chinese OCTG in 2010, after finding that the products were being sold in the U.S. at unfairly low prices and were harming the U.S industry, according to the U.S Dept of Commerce. The U.S has also imposed countervailling duties on OCTG imports from ... Read More
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Thread Protectors, as its name indicates, are often used to prevent the threading of the casing pipes or tubings from the damage in the transportation. Thread Protectors from Hebei Borun Steel Trade Co.,Ltd can be divided into 2 types. One is Plastic Only Thread Protector. The other is Metal(Steel)... Read More
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Couplings For Casing Pipe & Tubing The coupling is a short length of pipe used to connect two joints of casing pipes or tubings. Unlike ordinary coupling, it effectively solves the problem of fatigue fracture that is easily caused by the stress concentration and protect the threads.The coupling is ... Read More
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Recently most of the galvanize processing factories in Tangshan City, Hebei Province were cancelled due to the severe air pollution they have done. And it is reported that Tangshan Gov will make a second action to the other rest high-pollution industries at the end of August 2013. It caused the ... Read More
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Galvanized steel pipe belongs to one kind of steel pipes with surface treatment on the pipes, which is named as galvanization. Galvanization (or galvanisation) is the process of applying a protective zinc coating to steel or iron, in order to prevent rusting. The term is derived from the name of ... Read More
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Line pipe is manufactured mostly form high-strength carbon steel, and is made to strict engineering and metallurgical specifications developed by the American Petroleum Institute (API). One particular standard, API Specification 5L, defines requirements for pipe made to transport natural gas, oil ... Read More
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The method for making cold-drawn seamless pipes involves taking a round "billet" or bar of steel and boring it in the center, turning it, cutting it, heating it to make it more pliable, then "drawing" it (extruding or pulling it) to make it a longer and thinner tube. As the tube cools, "cold working... Read More
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Welded steel pipe: also known as pipe, it is made by bending steel sheet or strip, and then welded. According to the weld form it is divided into Longitudinal and spiral pipe. By end-use it is divided into general pipe, galvanized pipe, oxygen lance pipe, wire casing, metric pipe, roller pipe, deep ... Read More
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