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
Over-temperature Boiler Tubes KnowledgeBoiler tubes cooled in the heating surface tubes running time count or deterioration of the operating environment, dry, in a short time so th
Cause Analysis of Straight Seam Steel Pipe Wrong SideStraight seam steel pipe production, the wrong side have occurred, many influencing factors. In practice, often by a dry wrong
Straight Seam Steel Billet PiercingStraight seam steel billet piercing temperature varies according to the raw material strange strange. Thermal expansion pipe but mostly in 1200 ℃
Control of 304 Stainless Steel Thick-walled Tube Grain Size304 stainless steel thick-walled tube parts to control grain size during heat treatment is necessary, its quality heat-tr
304 Stainless Steel Seamless Pipe Wear304 stainless steel seamless pipe wear phenomenon is very common, many reasons for this phenomenon have physico-chemical and mechanical aspect
How to Weld for Large-diameter Welded Steel Pipe at Low TemperaturesUnder cold conditions a low-carbon steel welding, the cooling rate of the welded joint, which has made cracking
Derusting Work Process of Thick Wall Straight Seam Welded PipeTo walled Longitudinal rust oil treatment, we must first understand the characteristics and type of anti-rust oil, as
Microstructure and Properties of Hot-rolled Seamless Steel PipeAt present, domestic steel producers face enormous challenges seamless steel overcapacity, have to adjust product str
Passivation Process of Spiral PipeSince the thicker parts formed on the surface, dense and complex components of the scale, such parts pickling descaling relatively complicated. Su
Straight Seam Steel Pipe Processing Methods1. Steel casting: Use forging hammer the reciprocating impact force or press pressure to the billet into a pressure change we desired sha
The Advantages of Spiral Pipe for MiningThe advantages of spiral pipe for mining are following below:1, Closed strong, stiffness.2, Good corrosion resistance and long service life.
Cold Drawn Technology of Spiral Steel PipeSpiral steel pipe cold drawn, hot rolled tube defects, such as cracks or spiral steel high-precision cold drawn pipe after the tank, in th
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