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
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
Surface Treatment of Precision Steel PipeSurface treatment of precision steel pipe is by changing the precision steel surface tissue heat treatment to alter one surface properties.
Embrittlement of Precision Steel PipeBrittle tempering temperature range based on precision tubes can be divided into low and high temperature temper brittleness temper brittleness
Weld Appearance Requirements of Pressure PipeBefore the pressure pipeline nondestructive testing, visual inspection of welds shall comply with the requirements. Pressure pipe weld
Advantages and Disadvantages of Various Anti-corrosion MaterialsPetroleum asphalt, raw materials wide, low prices. However, poor working conditions, difficult to guarantee quality,
Structural Steel Heat Treatment TechnologyStructural steel workpiece in the heating and cooling process, due to inconsistencies cooling rate of the surface layer and the core secti
SSAW Steel PipeDescription:SSAW pipe full name is Spiral Submerged arc welding pipe. The pipe is formed by spiral submerged arc welding technology which is called SSAW pipe. Genera
Alloy Seamless PipeDescription:Alloy pipe is a kind of seamless steel pipe, its performance is much higher than that of general seamless steel pipe, because this type of steel pipe
Seamless tube production equipmentThere are many kinds of seamless tube (smls) production equipment according to the seamless steel tube production process. However, regardless of
Pipe Welding ProcedureUnder the welded pipe from the top of the arc, from top to bottom all-position welding technique, the method of welding speed, weld appearance, good welding q
Common surface defects of seamless tubesCommon outer surface defects of seamless tubes (smls):1. Folding defectIrregular distribution: If mold slag remains locally on the surface o
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