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
How to identify the quality of large diameter spiral welded pipe？Spiral pipe, also known as spiral steel pipe or spiral welded pipe, is a low-carbon structural steel or low-alloy s
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
The main cooling bed types of spiral welded steel pipe production lineWhat are the main types of cooling beds in the spiral welded steel pipe production line? The following is intr
Points of heating welding tubePipe processing step requires strict, in which the hot rolling process is very important process, in which to introduce the following precautions duri
Defect of Hot-rolled Seamless Steel PipeDefect of Hot-rolled Seamless Steel PipeSeparationLocated on the inner surface of the steel pipe was vertical distribution, was raised helic
The difference between structural tubes and fluid tubesStructural tube:Structural tube is a general structural steel tube, referred to as structural tube. It is suitable for seamle
Cold drawn seamless steel pipe finish conditionCold drawn seamless steel pipe finish condition is as follows:Cold finished (hard)BK（+C）Tubes do not undergo heat treatment following
Packaging requirements for seamless tubesThe packaging requirements of seamless tubes (smls) are basically divided into two categories: one is ordinary bundling, and the other is l
Packaging method of anti-corrosion spiral steel pipePackaging method of anti-corrosion spiral pipe:1. Our country stipulates that the anti-corrosion spiral steel pipe adopts the me
Steel Tube Weld Cold CrackCold crack reasons: the person to be subjected to welding when a large tensile force can be easily torn in the process of cooling the welding material har
How to check the quality of galvanized seamless steel pipe?There are two types of galvanized seamless steel pipes, hot-dip galvanizing (hot-dip galvanizing) and cold-dip galvanizin
WHAT ARE THE APPLICATION FIELDS OF WELDED STEEL PIPE?Welded steel pipes are widely used in the structural parts of bicycles, motorcycles, tractors, automobiles and large buses. The
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