A detailed explanation of the welding process of large diameter straight seam steel pipe:The double-wire automatic welding of straight seam steel pipe is a welding technology developed in recent years. In addition to the characteristics of semi-automatic single-wire welding, it also has the welding

After the oil casing adopts this heat treatment method, the impact toughness, tensile strength, and anti-destruction performance of the oil casing can be effectively improved, and the good value in use can be guaranteed. Oil casing is a necessary pipe for drilling oil and natural gas, and it needs t

Welded steel pipes can be classified into different types and types according to different classification methods. Welded steel pipes of different properties have different characteristics and characteristics in use and show different use values in use. Welded steel pipes can be classified into the

The special oil pipe is mainly used for the drilling of oil and gas wells and the transportation of oil and gas. It includes oil drilling pipes, oil casings, and oil-sucking pipes. Oil drill pipes are mainly used to connect drill collars and drill bits and transmit drilling power. The oil casing is

The use and function of large diameter straight seam welded pipe1. The use of large-diameter straight seam welded pipes can be divided into oil well pipes (casing, oil pipes, drill pipes, etc.), line pipes, boiler pipes, mechanical structure pipes, hydraulic prop pipes, gas cylinder pipes, geologica

The performance and function of the primary color straight seam steel pipe in the specific use process, the fully demonstrated operational contribution, and the resulting use performance, after painting, spraying white words, the straight seam steel pipe also looks very spiritual and beautiful. Pipe

1. The sealing system has excellent physical properties and corrosion resistance and has a special form of three layers of sealing folds between the main devices, to ensure the tightness of the steel pipeline.2. The rubber inner ring type has special elasticity, which can overcome the axial and radi

The concept of thin-walled spiral steel tube: the strip steel is fed into the welded pipe unit, rolled by multiple rollers, and the strip is gradually rolled up to form a circular tube blank with an opening gap, and the reduced amount of the extrusion roller is adjusted to make the welding seam gap.

The processing of the outer anti-corrosion layer of the steel pipe must be strict to the design requirements and relevant national standards. The rust removal must reach Sa2.5 level, and the primer must be applied within 2 hours after the rust removal is completed. Every time a glass cloth is proces

Thick-walled steel pipes have a wide variety of steel types and specifications, and their performance requirements are also various. All of these should be differentiated as user requirements or working conditions change. Generally, steel pipe products are classified according to cross-sectional sha