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Large diameter thick-walled seamless steel pipe
Large diameter steel pipe often refers to the out diameter with more than 1000mm. large diameter steel pipe use is generally more widely, generally used for large-scale pipeline projects, water gas engineering, pipe network construction of large projects. Large diameter steel pipe production proc...Read more -
Extruded pipe
Extruding pipe is the cold extrusion, hot extrusion, respectively of the warm extrusion process of pipes. Extrusion is widely used in the production of aluminum, copper and other nonferrous metals pipes and profiles. Steel used to produce both hot extrusion of special pipes and profiles, but also...Read more -
Electric Resistance Welding
Electric resistance welding is the use of current through resistor between the workpiece and the welding heat generated by the contact surface, the plastic is heated to a weldment or partial melting state, then apply pressure welding method of forming a welded joint. There are four main resistanc...Read more -
Galvanized pipe
Galvanized pipe manufaturing process Galvanized pipe sulfate electro-galvanized the ferroalloy process is the production trough perforation direct solution to bring out or overflow. Various production process from the circulatory system, the slot solution, alkali solution, plating solution, a lig...Read more -
Extruded steel pipe
Extruded steel pipe is produced by cold extrusion, hot extrusion, warm extrusion process. Hot extrusion is widely used in the production of aluminum, copper and other nonferrous metal pipes and profiles. Hot extrusion of steel for the production of both special pipes and profiles, it is difficult...Read more -
Do You Know How to Paint Carbon Steel Pipes?
Carbon steel pipes consist of an iron and carbon alloy that is able to be bent into shapes during manufacture without reducing its high tensile strength. So as black steel pipe, many people use black steel pipe now. It is vital to defend the metal surface location from corrosion credited to the m...Read more -
The difference between the steel tubes
Difference between ssaw steel pipe and lsaw steel pipe Metallurgical properties of raw materials Straight seam submerged arc welding tube is made of steel, but spiral submerged arc welding steel pipe production is usd hot rolled steel coil strip. The hot strip rolling process with a series of adv...Read more -
Deviation wall thickness of seamless steel pipe
In recent years, the proportion of seamless steel pipe in China’s steel production is growing, including seamless steel pipe wall thickness deviation is the importance of the quality one of the indicators due to its wide use and the higher its quality requirements. The thickness deviation d...Read more -
Large-diameter oil pipeline stress corrosion causes and preventive measures
Stress corrosion Cause Large diameter oil pipeline stress corrosion cracking is a lag time-related damage, this hydrogen delayed cracking completely similar. Stress corrosion cracking (SCC) is a low-stress brittle fracture. Q345B spiral steel stress corrosion can occur only in specific circumstan...Read more -
International Tender for ERW steel pipe
SUB: - International Tender for group; (A) ERW Line pipe 10’’ -24’’, GROUP- (B) ERWLINE PIPE 2’’-8’’, GROUP (F) Seamless line pipe 1’’-16’’ SUNDARBAN GAS COLTD, Khulna, will purchase ERW LINE PIPE & SEAMLESS LINE PIPE THROUGH International tender. Sunderban gas co ltd wants to make sure that ...Read more -
Casing tube
Heat treatment technology of oil casing Oil casing is a pipeline used for transportation oil or other raw materials, which has a good performance in use, users get the praise and love. Heating of the oil casing need to follow a certain temperature production, use of different temperature control ...Read more -
LSAW Pipe Welding Quality Control Measures
Large Diameter LSAW pipe wall thickness with its big, good material, process stability, becoming the first choice for large domestic and foreign oil and gas pipe project. In the large-straight seam submerged arc welded pipe welded joints, weld and heat affected zone is most likely to produce a va...Read more