Search results for keyword: qualitative
Radiographic testing
Introduction
Ray detection technology is a method of testing and detecting materials using ray radiation. X-ray technology is the most widely used technique. X-ray is a kind of electromagnetic wave of very short wavelength with higher energies than light. It can penetrate various materials and fo......
1017 
Sophia
Diagnosis Method of Hydraulic System Leakage Fault
1 Introduction
Hydraulic system leakage fault diagnosis method is an important development direction of advanced technology application in hydraulic system. It is mainly used to detect hydraulic fluid leakage on the hydraulic system. The hydraulic system leakage fault diagnosis has the following c......
Characteristic Causes of Residual Shrinkage Cavity and Its Judgment and Treatment
Introduction
Remaining shrinkage hole is a common defect in castings, caused by a number of possible factors related to the manufacturing process. This paper attempts to thoroughly review the causes and prevention of remaining shrinkage hole defects in investment castings, and to discuss various ......
GB 2975-82 Sampling regulations for steel mechanical and process performance tests
GB 2975 - 82 Specification for Sampling and Testing of Mechanical and Process Properties of Steel GB 2975 - 82 is a national standard for sampling and testing of steel for selection and identification purposes. This standard covers the various methods for sampling and testing steel properties relat......
Aluminum alloy casting technical conditions GB 9438-88
GB 9438-1988 Steel and Aluminum Casting Technical Specifications
This standard specifies the types, grades, requirements, tests, inspection and acceptance rules, packing, marking and quality certificate of steel and aluminum castings. The standard applies to ferrous castings, non-ferrous castings......
St50-2 use
DIN17100 St50-2 steel plate is used for various medium-sized metal structural parts, bridge structure and so on which are requiring good weldability and toughness. St50-2 steel is a medium carbon steel with a good machinability, which can be hardened by nitriding. The machinability of St50-2 steel......
Japanese alloy tool steel
Alloy Tool Steels, also known as “tool steels” or “alloy steel”, are specifically designed for machining and cutting purposes. They are primarily used in the automotive and aerospace industries. These steels are designed to have a high level of corrosion resistance, wear resistance, and hardnes......
GB 5777-86 Ultrasonic testing methods for seamless steel pipes
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Ultrasonic Testing for Seamless Steel Pipe
Ultrasonic testing (UT) has been routinely used for decades to provide qualitative and quantitative measurement for the integrity of various types of materials. By directing high frequency sound energy through a material, defects may be detected, locat......
Steel wire for musical instruments (YB/T5218-1993)
Steel Wire for Musical Instruments (YB/T5218-1993)
Steel Wire for Musical Instruments is a classification for steel wire specifically designed for the manufacture of musical instruments. This grade of steel wire has been developed to ensure that the highest standards of accuracy and quality are m......
Hot-rolled H-beam GB 11263-89
Hot Rolled H-steel
Hot rolled H-steel is a type of carbon steel profile used in a variety of structural applications. It is produced by hot rolling a steel profile into a desired shape and then heat treating the steel to achieve the desired mechanical properties and chemical composition. The prof......
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