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What are the requirements for non-destructive testing (NDT) of spiral welded steel pipes
The main NDT methods for spiral welded steel pipes include ultrasonic testing, radiographic testing, eddy current testing, magnetic particle testing, and penetrant testing. Ultrasonic testing is frequently used. Ultrasonic testing has high sensitivity for area-type defects ins...Read more -
What are seamless steel pipes used for
Seamless steel pipes are categorized into thick-walled and thin-walled types depending on their application. They have a wide range of uses. 1. General-purpose seamless steel pipes are rolled from ordinary carbon structural steel, low-alloy structural steel, or alloy structura...Read more -
What are the methods for preventing flange corrosion leaks
Pipeline corrosion is a global problem affecting almost all industries, including water/sewage treatment, mining, specialty chemicals, and the oil and gas industry. Piping, galvanic corrosion, and crevice corrosion can erode various parts of pipelines, leading to a variety of ...Read more -
What are the Q&As about plastic-coated steel pipes
Q: How is the cost of plastic-coated steel pipes calculated? Are there any hidden fees? A: The standard cost calculation is usually determined based on a comprehensive consideration of factors such as the specifications (diameter, wall thickness), material, coating type, quant...Read more -
What are the inspection methods for TPEP anti-corrosion steel pipes
Epoxy resin has a high volume resistivity, making the resulting powder particles easily charged, resulting in good electrostatic coating performance, resistance to peeling off the workpiece, and high coating efficiency. Epoxy powder coatings are formulated with specialized res...Read more -
What are S32205 stainless steel welded pipes commonly used in industrial projects
S32205 stainless steel welded pipes are formed from 2205 stainless steel strip. 2205 steel pipes are a duplex stainless steel composed of 21% chromium, 2.5% molybdenum, and 4.5% nickel-nitrogen alloy. It possesses high strength, good impact toughness, and good overall and loca...Read more -
What are the reasons for the superior performance of P91 high-pressure alloy steel pipe
High-pressure alloy steel pipe is a type of pipe with excellent performance and is widely used in various fields. Among them, P91 high-pressure alloy steel pipe is particularly noteworthy for its superior mechanical properties and high-temperature resistance. First, the charac...Read more -
How to Increase the Surface Hardness of Thick-Walled Stainless Steel Pipes
Thick-walled stainless steel pipes have many advantages, such as resistance to high-temperature oxidation, strong corrosion resistance, good plasticity, and excellent weldability, making them widely used in various civilian and industrial fields. However, due to the relatively...Read more -
Why is Annealing Necessary for Stainless Steel Pipes
Among the many applications of metallic materials, stainless steel pipes are widely used in construction, machinery manufacturing, the chemical industry, food processing, and many other industries due to their excellent corrosion resistance, high strength, and aesthetic appear...Read more