1. Surface treatment of steel pipe. The inner and outer surfaces of the steel pipe are shot blasted by shot blasting equipment, and the treatment reaches the Sa2.5 level requirements stipulated in the GB8923-1998 standard. After shot blasting, the vacuum adsorption equipment is purged, the cleanli

N80a steel pipe is a steel pipe material widely used in the field of oil drilling. It belongs to steel grade N80, has excellent performance and adaptability, and can meet the complex oil well environment and high strength requirements. First. Characteristics of N80a steel pipe. N80a steel pipe i

1. Reasons for uneven anti-corrosion thickness of industrial 3PE anti-corrosion steel pipes The industry standard SY/T0413-2002 does not stipulate the uniformity of thickness. It stipulates the low thickness value of the coating but requires that the low thickness value of the coating cannot be low

Seamless steel pipe anti-corrosion: ensuring high quality and corrosion resistance. Seamless steel pipes are increasingly used in the storage, processing, and transportation systems of various corrosive media. The requirements for corrosion resistance are getting higher and higher. How to improve th

Stainless steel, as a common metal material, is widely used in many fields because of its excellent corrosion resistance, heat resistance, and mechanical properties. Among them, 316L stainless steel pipe material has attracted much attention for its unique performance and wide range of application s

Large-diameter spiral welded steel pipe is a type of steel pipe that has been widely used in recent years. Its main features are large diameter, high strength, and suitable for long-distance transportation and high-pressure medium transportation. First, spiral welding technology Large-diameter

In the steel industry, steel pipes, as an important basic material, are widely used in construction, machinery, chemical industry, and other fields. The alkali cleaning process of steel pipes, as a key link in the surface treatment of steel pipes, is of great significance for improving the anti-corr

Stainless steel, as a common metal material, is widely used in many fields because of its excellent corrosion resistance, heat resistance, and mechanical properties. Among them, 316L stainless steel pipe material has attracted much attention for its unique performance and wide range of application s

304 stainless steel pipe is a commonly used stainless steel material with the following advantages: advantage: 1. Strong corrosion resistance: 304 stainless steel pipe has good corrosion resistance and can resist the erosion of common corrosive media such as acids, alkalis, and salts, and is sui

Stainless steel pipe is a commonly used pipe material, widely used in industry, construction, chemical industry, and other fields. Among them, 304 stainless steel pipes are favored for their excellent corrosion resistance, good mechanical properties, and beautiful appearance. However, there are vari

1. The wall thickness of stainless steel pipes has an important impact on their pressure resistance. In the steel industry, stainless steel pipe is a common material and is widely used in construction, chemical industry, medical equipment, and other fields. The wall thickness of stainless steel pip

3PE anti-corrosion straight seam steel pipe is a pipeline material widely used to transport oil, gas, and water resources. It has good corrosion resistance and durability and is suitable for use in various environmental conditions. 1. Characteristics of 3PE anti-corrosion straight seam steel pipe

Three-oil and two-cloth anti-corrosion steel pipes use three-layer coating oil technology and two-layer weaving technology to give the surface extremely strong anti-corrosion properties and can be used for a long time in harsh environments without being affected by external corrosion. This three-lay

1. The arc starting method of stainless steel pipe fittings adopts the reflow method, and the arc closing method adopts the method of filling the arc crater. The arcing process should be completed within the slope, and arcing and arcing cannot be performed on the surface of the busbar of pipes and f

Large diameter thick wall seamless steel pipes are mainly reflected in: 1. Large diameter: It is generally believed that those with diameters above 219 are large-diameter seamless pipes, seamless steel pipes are large-diameter seamless pipes, those with diameters less than 76 are small-diameter sea

Steel bending pipe processing and forming technology 1. Die forging. For socket welding and threaded tees, crosses, elbows, and other small pipe fittings, the shapes are more complex and should be manufactured by the die forging process. The die forging blank should be rolled profiles, such as bars

Cleaning methods for large diameter steel pipes: 1. Shot blasting and rust removal: A high-power motor drives the blades to rotate at high speed, so that steel sand, steel shots, wire segments, minerals, and other abrasives are sprayed and blasted on the surface of the steel pipe under the action o

Characteristics of large-diameter straight-seam plastic-coated steel pipes: Its characteristics combine the characteristics of straight-seam steel pipes and the characteristics of epoxy resin. 1: Characteristics of straight seam steel pipes: Straight seam steel pipes have a simple production proc