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Oil Casing In-Plant Inspection: Defect Handling
Oil casing pipe in-plant inspection: defect handling
Various defects found in the pipe body or pipe end that affect the performance of the pipe, such as pits, cracks, folds, bumps, bumps, gouges, d...
Analysis of Length Measurement Method of Seamless Steel Pipe
1. Gage length measurement
The basic principle is: two fixed-length grating rulers are set on the outer sides of the two ends of the seamless steel tube, and the rod ruler is used to drive the grating...
3PE Coating Anti-corrosive Steel Pipe
Material analysis of 3PE anti-corrosive steel pipe
3PE anticorrosive steel pipe base material includes seamless steel pipe, spiral steel pipe and straight seam steel pipe. The three-layer structure po...
Forming Process of Straight Seam Steel Pipe
Straight seam steel pipe is a steel pipe with welds parallel to the longitudinal direction of the steel pipe. It is usually pided into metric welded steel pipes, welded thin-walled pipes, transformer ...
Anti-corrosion Steel Pipes are Mostly Spiral Steel Pipes
In recent years, anticorrosive steel pipes have begun to be widely used in the construction of water and natural gas pipelines. Anti-corrosion steel pipes are usually selected from spiral steel pipes....
Frequently Encountered Problems with High Frequency Straight Seam Welded Pipe(ERW)
Nowadays, high-frequency straight seam welded pipes (ERW pipe) are mainly used in water supply engineering, power industry and petrochemical industry, etc. There are many types of water pipes used in ...
What is Casing and Tubing?
Tubing naturally has a smaller diameter than casing pipe, except for the 4 1/2-inch diameter. An outer diameter of 114.3 mm (4 1/2 inches) is considered a threshold and can be either casing or tubing....
Surface Treatment Method and Function of Stainless Steel Pipe
The surface of the stainless steel pipe will change differently in different environments. Knowing the influence of the use environment on the stainless steel pipe can choose the right model, otherwis...
Testing Methods of Oil Casing Manufacturers
What are the detection methods of oil casing pipe ? Let's take a brief look:
1. Ultrasonic testing
When ultrasonic waves are spread in the tested raw materials, the acoustic characteristics of t...
45# Seamless Pipe Characteristics
45 refers to the carbon content in this material, which is about 450. This material is also more common than other superior carbon steels.
Steel 45: average carbon content is 0.42-0.50%, average sili...