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What 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 method is one of the five conventional nondestructive testing methods and is a comprehens...Read more -
Summary of hardness test,do you know these methods?
Rockwell hardnessUse diamond cone or quenched steel ball indenter to press the indenter into the material surface under the action of test pressure F. After holding for a specified time, remove the main test force and maintain the initial test force....Read more -
Will 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 stainless steel, maybe there is a problem with the steel”.In fact, this is a one-sided wrong vie...Read more -
NDT Method: Eddy Current Testing
Based on the principle of electromagnetic induction, the nondestructive testing method is called nondestructive testing, which can nondestructive evaluate some properties of conductive materials and their workpieces by detecting the change of induced...Read more -
What 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 possible cracks in Pressure Vessel Forgings and high-pressure bolts.Ultrasonic testing can be...Read more -
What 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 same time. Classification: according to the different heating degree and process characterist...Read more -
Why should steel pipes be heat treated?
The function of heat treatment is to improve the material mechanical properties of steel pipe, eliminate residual stress and improve its cutting performance.According to different purposes of heat treatment, heat treatment process can be divided into...Read more -
The Features of Shot Peening Rust Removal and Shot Peening Equipment
What is shot peening in surface treatment?Shot blasting is divided into shot peening and sand blasting. The surface treatment with shot peening has great striking force and obvious cleaning effect. However, the treatment of thin plate workpiece by sh...Read more -
What kind of inspection should Mtsco nickel alloy go through before shipment?
Recently, Mtsco's 30 tons 625 heat exchange tube production has come to an end, and has entered the sampling inspection stage. This order is of pioneering significance for Mtsco to export nickel alloy products. Based on the strategic cooperation with...Read more -
The 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 for recording information. This method is the most basic and widely used non-destructive tes...Read more