Hunan Great Steel Pipe Co., Ltd provides services that reduce total project cost and keep complex piping systems on schedule. Including Cutting, Rolling and Bending, Coating, Beveling, Threading, Welding and Assembly Forming.
Three ways to ensure smoothness as required when producing straight seam steel pipe1. Rolling mold: The general method of rolling mold is to press the glass powder into a glass mat
Benefits of using 45 degree elbows in construction and infrastructure projectsBenefits of using 45 degree elbows in construction and infrastructure projectsConstruction and infrast
Significance of the heat treatment process of oil casingHeat treatment is the most important process in the processing of oil casing. Whether the performance and quality of the fin
Spiral welded steel pipe for hydraulic engineeringSpiral welded pipes (SSAW) for water conservancy projects are generally spiral welded steel pipes with relatively large diameters,
Wrought steel pipeWhat is wrought steelWrought steel material refers to product forms (forged, rolled, ring rolled, extruded…), while forging is a subset of wrought product form.Di
What are the precautions for the use of straight seam welded pipes?Straight seam welded pipe: a steel pipe with the weld seam parallel to the longitudinal direction of the steel pi
How to check the quality of hot rolled seamless pipeHow to test the quality of hot rolled seamless steel pipe?1. High quality inspection of permeable layer and core. Check whether
Which is better seamless pipe or welded pipe?Seamless pipe has better pressure capacity, strength is higher than ERW welded pipe. So it is widely applied in high pressure equipment
Derusting method of seamless steel pipeSteel refers to a metal material with iron as the main element, carbon content generally below 2.0% and other elements. The difference betwee
Seamless steel tube billetThe billet used in the production of steel pipes is called tube billet. Usually high-quality (or alloy) solid round steel is used as the tube billet. Acco
Terms on steel pipe dimensions①Nominal size and actual sizeA. Nominal size: It is the nominal size specified in the standard, the ideal size expected by users and manufacturers, an
Schedule 40 carbon steel pipeSchedule 40 Carbon Steel Pipe is one of the medium schedule pipes. There are different schedules in all pipes. The schedule indicates the dimensions an
Differences between annealing and normalizing of seamless steel pipesThe main difference between annealing and normalizing:1. The cooling rate of normalizing is slightly faster tha
Carbon steel tube material and useCarbon steel tubes are made of steel castings or solid round steel through holes to make capillaries, and then made by hot rolling, cold rolling o
Seamless steel tube straightening process1. The seamless steel tube enters the roller table at the entrance of the leveler from the upstream roller table.2. When the head of the se
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