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Drawing process of precision seamless tube
Drawing process of precision seamless tube Because the hole is smaller than the size of extubation die before pulling the outer diameter of the capillary system of the (extended unplug outside), so as to make the front end of the capillary can smoothly pass through the draft hole, so that the chu...Read more -
Pickling,Performance and characteristics of seamless steel pipe
Pickling,Performance and characteristics of seamless steel pipe Pickling: wash away the surface corrosion of the substrate material and rolling the skin of steel pipe use acid . In production process of cold drawn semless steel pipe, pickling is an unique process.In order to eliminate diatomite ...Read more -
LSAW Steel Pipe Production Technology 16 Process Analysis
1.The board used to making LSAW steel pipe, steel plate into the production line after the first full plate ultrasonic inspection; 2. The edge milling: through the two edges of the steel plate edge milling machine double-sided milling, make it meet the requirements of plate, plate edge parallelis...Read more -
Making Technique of Seamless Steel Pipes
Making Technique of Seamless Steel Pipes The major making techniques of seamless steel pipes are as follows. 1. Plug Rolling Production Production equipments consist of punching machine, automatic pipe rolling mill, reeling mill, sizing mill and the reducing mill. Pierce the round tube into the ...Read more -
Knowledge of erw line pipe
With the rapid development of economy and the continuous improvement of the energy demand, the pipeline as the oil and gas resources has developed in recent years. A number of medium-caliber ERW line pipe unit was completed and put into operation.ERW line pipe has been widely used in the oil and ...Read more -
High-strength cold-formed structural steel defect
High-strength cold-formed structural steel defect Roll forming process is a very complex process, if the design is unreasonable, in the debugging process will appear wavy edges, pocket wave longitudinal bending, folds the corners, cracks and distortions deformation defects, which are often in deb...Read more -
Large-diameter LSAW Steel Pipe Production Process
Large-diameter LSAW Steel Pipe Production Process Large-diameter DSAW steel pipe production process mainly explained: 1. plate probe: used to manufacture large diameter LSAW steel pipe joints straight after entering the production line, the first full-board ultrasonic testing; 2. Milling: Milling...Read more -
Inner coating of gas pipeline
Inner coating can greatly improve pipeline capacity, both to prevent corrosion, reduce the role of the pumping costs. Improving gas flow within the coating technology development updates, has become the main means of transport in major companies to increase the amount. Significantly reduce the fr...Read more -
How to deal with the defects of cold drawn steel tube when colding
1, Cold drawn steel pipe can lead to material lattice dislocations and other microscopic defects and surface roughness is increased, and precipitation-induced martensite and carbides. Such as cold austenitic steels exhibit increased magnetic phenomena. 2, Resulting in the material lattice disloca...Read more -
Flexible composite high pressure pipeline
Flexible composite high-pressure pipelines is a polymer composite material made of a certain high-intensity, high pressure, corrosion, fouling resistance, friction coefficient and good insulation, good flexibility and long life of an oil and gasindustrial pipe fittings. Flexible Composite press...Read more -
Difference Between Carbon Steel Pipe and Mild Steel Pipe
Technically, carbon steel pipe and mild steel pipe aren’t different types of metal at all. Mild steel is carbon steel. (Technically, all steel is “carbon steel,” since carbon is the difference between iron and steel. Carbon steel is alloyed with up to 2% carbon. What we r...Read more -
Welding technology and production method of large-diameter straight seam steel pipe
1. Control of the weld gap The strip steel is sent to the welded steel pipe unit, after rolling by multiple rollers, the strip steel is gradually rolled up to form a round tube blank with an open gap, and the reduction of the squeeze roller is adjusted to control the weld gap to 1~3mm, And make t...Read more