Search results for keyword: nondestructive
Austenitic stainless steel welded steel pipe selection regulations HG 20537.1-92
HG 20537.1-92: Requirements for Welded Austenitic Stainless Steel Pipes
The HG 20537.1-92 Standard: Requirements for Welded Austenitic Stainless Steel Pipes is a document published by the Quality and Technical Supervision and Standardization Administration of the People’s Republic of China that ......
28/06/2023 
1076 
Sophia
Stainless steel pipe ultrasonic flaw detection method GB 4163-84
Ultrasonic Testing of Stainless Steel Pipes
Ultrasonic testing is a reliable method for detecting internal and surface defects in stainless steel materials. Ultrasonic testing is an important quality control tool for detecting and confirming the lack of structural uniformity, presence of internal......
GB/T14876-2002 "Stainless Steel Seamless Steel Tubes for Fluid Transmission", which is a recommended national standard (replacing GB/T14976-1994)
GB/T14876-2002 Seamless steel pipes for conveying fluids
The GB/T14876-2002 is a mandatory national standard that replaces GB/T14976-1994. This standard specifies the technical requirements, test methods, inspection rules, factory inspection, packaging, marking, and transport of seamless steel tub......
American Seamless and Welded Austenitic Stainless Steel Tubing Steel Grades
Stainless steel pipes are widely used in many industries as a seamless and welded pipes for its excellent corrosion and oxidation resistance, but stainless steel pipes does not include corrosion resistance, it was reduced by the presence of different surface oxides on the pipe stainless steel. The......
Electric welded steel pipe for transmission shaft (YB/T5209-1993)
Welded steel tubes for transmission shafts (YB/T5209-1993)
Welded steel tubes for transmission shafts are manufactured in accordance with the Chinese national standard YB/T5209-1993. The equipment and materials used for manufacturing these tubes are specified in the standard. The materials for we......
Rail eddy current flaw detection technology
Abstract
Eddy current testing (ECT) is a nondestructive testing method based on the principle of electromagnetic induction. It is commonly used to detect the surface and near-surface defects of metal materials in a wide range of industries, such as power plants, petrochemical plants, aerospace, a......
Welded H-shaped steel (YB 3301-81) (3)
Abstract
The third part of the article on welding H steel (YB 3301-81) provides an introduction to the welders setup, describes the welding parameters, and discusses ways to avoid common welding errors. The article also outlines various methods of achieving good welds on H steel as well as techn......
42CrMo (grinding) surface quenching treatment
Quenching and tempering are commonly used heat treatment technologies for 42CrMo steel parts. It can not only improve the hardness and strength of the steel parts, but also improve the wear resistance and excellent balance between toughness and wear resistance, which ensures the stability of the m......
Comparison chart of ultrasonic pre-inspection and low-magnification structural defects of special steel
Ultrasonic Pre-Inspection and Low Magnification Defects Contrast Maps of Special Steel
Ultrasonic inspection is a well-used and reliable technology in the field of nondestructive testing. It is especially useful for the detection of flaws in the structure of special steel. Its advantages are qui......
Application of Microhardness in Metallographic Research
Micro Hardness Test and Its Application in Metallurgical Research
Abstract
This paper is an overview of micro hardness testing and its applications in metallurgical research. Micro hardness testing is a widely used non-destructive method of testing materials. It is widely used to measure the har......
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