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June 15, 2021
Special shaped seamless steel pipe is in addition to the round pipe other cross section shape of seamless steel pipe.According to the shape and size of the steel pipe section can be divided into equal wall thickness special-shaped seamless steel pipe (codenamed D), unequal wall thickness special-shaped seamless steel pipe […]
June 9, 2021
After the college entrance examination and the Dragon Boat Festival small holiday before the need to catch up on replenishment can be triggered, the recent policy news interweave, the impact of the pace of market operation is still large.In the short term, the steel city after the adjustment of profit […]
June 3, 2021
Spiral steel pipe is a kind of spiral seam steel pipe which is made of strip steel coil as raw material, often formed by warm extrusion and welded by automatic double-wire double-side submerged arc welding process. (1) raw materials that is, strip coil, welding wire, flux.They are subjected to strict […]
May 31, 2021
“The steel industry will play a vital role in controlling global warming.” “We should not only pay attention to whether there is overcapacity, but also whether there is enough green capacity.” “The breakthrough technology we’re talking about here is still unproven or even uninvented at this point.” … At the […]
May 26, 2021
When steel prices soar, the mills make a lot of money, but at the bottom of the stream, they lose money, and the industries associated with steel are affected to a greater or lesser extent.Steel mills say price increases are falling so fast that downstream retailers can’t keep up.Unexpected soaring […]
May 18, 2021
1, carbon steel pipe The fixed oil pipeline multi-purpose carbon steel pipe, carbon steel pipe according to its manufacturing method can be divided into seamless steel pipe and welded steel pipe, seamless steel pipe is divided into hot rolled and cold drawing two, usually the carbon steel pipe is made […]
May 14, 2021
It is expected that the relatively large adjustment of import and export tariffs of Chinese steel products will have two impacts on the international steel market situation in this year: One is to reduce the supply of resources.Since the fourth quarter of last year, the world economy has recovered significantly, […]
May 11, 2021
ELCCTRIC REsistancc Welding (ERW) is a form of resistance Welding. After the hot rolled sheet is formed by the forming machine, the steel coil is deformed into a smooth cylindrical tube blank. When the high frequency current passes through the V-shaped load loop of the open tube blank, due to […]
May 6, 2021
pressure fluid conveying with spiral submerged arc welding steel pipe (SY5036-83) is mainly used in oil and gas pipeline, high pressure fluid conveying with spiral weld high-frequency welded steel pipe (SY5038-83), high frequency welding spiral weld steel pipe (hf lap method) and spiral seam high frequency welded steel pipe (pressure […]