In the process of manufacturing and using welded pipe, nondestructive testing to ensure weld quality is particularly important. The common nondestructive test......
Read MorePenetrant testing (abbreviated as PT) is a nondestructive testing method for inspecting surface opening defects based on the principle of capillary action. This......
Read MoreRadiographic 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 MoreWhen 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 MoreBased on the principle of electromagnetic induction, the nondestructive testing method is called nondestructive testing, which can nondestructive evaluate some ......
Read MoreUltrasonic 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 MoreAustenitic 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 MoreWelding: 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......
Read MoreThe function of heat treatment is to improve the material mechanical properties of steel pipe, eliminate residual stress and improve its cutting performance.Acc......
Read MoreSkates are required in figure skating, synchronized skating, speed skating and short track events stipulated by the International Skating Union (ISU) and ice ho......
Read MoreSuperalloy (also known as heat-resistant alloy) is a metal material with long-time creep resistance, high endurance strength and high corrosion resistance under......
Read MoreTension is a simple mechanical property test. Within the test gauge, the stress is uniform, the measurement of stress-strain and its performance indexes is stab......
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