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Austenitic / Duplex Steel / Nickel Alloy / Cobalt AlloyWelded Pipe/Tube
What exactly is welded pipe?
Core Material Analysis - Stainless Steel, Duplex Steel, Nickel Alloy.
In depth Analysis of Industrial Application Scenarios.
How to control the standards, certification, and quality control of welded pipes?
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ASTM Standard PDF
ASTM A269 Standard Specifications PDF
ASTM A928/A928M-08 Standard Specification PDF
ASTM B514 Standard Specification PDF
ASTM B515 Standard Specification PDF
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Why is there no seam in seamless steel pipe?
How much do you know about seamless steel pipe? Seamless steel pipe is a kind of round, square, rectangular steel with hollow cross section and no seam around. ......
Read MoreWhy nickel alloy is more expensive?
Nickel is a ferromagnetic metal element with excellent properties such as corrosion resistance, high temperature resistance, oxidation resistance and good ducti......
Read MoreHow to identify inferior stainless steel welded pipe?
The quality of welded pipe is affected by various factors such as raw materials, equipment and processing technology. Every link will be reflected in the pipe. ......
Read MoreClassification Of Welding Technology
Arc welding: it is used for arc welding of straight seam steel pipes. It has good maintainability, good welding high temperature performance, good physical prop......
Read MoreCommon Flaw Detection Methods For Welded Pipes
In the process of manufacturing and using welded pipe, nondestructive testing to ensure weld quality is particularly important. The common nondestructive t......
Read MoreWhat is Penetrant Testing?
Penetrant testing (abbreviated as PT) is a nondestructive testing method for inspecting surface opening defects based on the principle of capillary action. This......
Read MoreThe most widely used NDT: Radiographic Testing
Radiographic testing (RT). Radiography (RT) is a nondestructive testing method that uses X-ray or g-ray to penetrate the test piece and film as the equipment fo......
Read MoreWill stainless steel rust? Yes!
When there are brown rust spots on the surface of stainless steel pipe, people are surprised: they think that "stainless steel is not rusty, rusty is not stainl......
Read MoreNDT Method: Eddy Current Testing
Based on the principle of electromagnetic induction, the nondestructive testing method is called nondestructive testing, which can nondestructive evaluate some ......
Read MoreWhat is Ultrasonic Testing?
Ultrasonic testing is mainly used to detect buried defects in butt welds and cracks on the inner surface of pressure vessel welds. It is also used to detect pos......
Read MoreWhy should stainless steel pipes be solution annealed?
Austenitic stainless steel is softened by solid solution treatment. Generally, the stainless steel pipe is heated to about 950 ~ 1150 ℃ and kept warm for a per......
Read MoreWhat are the types of welding?
Welding: usually refers to the welding of metal. It is a forming method to connect two separated objects into one by heating or pressurizing, or both at the sam......
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