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Ultrasonic testing methods for steel forgings GB/T 6402-9l
Ultrasonic Testing of Forged Steel Products
Introduction
Ultrasonic testing (UT) is a non-destructive inspection method used to locate and identify discontinuities in forged steel products. In UT, sound waves are used to detect hidden defects in the material and provide a detailed cross-section ......
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Stainless steel sulfuric acid - ferric sulfate corrosion test method GB 4334.2-84
Steel corrosion is a natural phenomenon and a concern for those involved in manufacturing and design. This is especially the case when it comes to stainless steel, as the presence of corrosion can lead to the breakdown of its superior properties. In order to evaluate and predict the corrosion perf......
Test method for stainless steel ferric chloride crevice corrosion GB 10127-88
The standard GB 10127-88 ”Test Method for Stainless Steel Cathodic Rectifiers of Corrosion Gaps” is a widely used standard for testing corrosion gaps in stainless steel trichloride baths. Corrosion gaps occur as a result of biofilm buildup on the surface of stainless steel trichloride baths. Thi......
Construction project supervision specification (GB50319-2000)
Chinese Construction Project Supervision Standard (GB50319-2000)
China has experienced a dramatic shift in its labor force and economy in the last few decades. This shift has necessitated the adoption of stricter and more comprehensive regulations, standards, and guidelines for China’s construc......
GB 8650-88 Test method for resistance to stepped cracking of pipeline steel
GB 8650-88 provides a method for a fracture test that assesses the ability of steel pipelines to withstand different conditions. This test involves a pipe filled with water, the pressure of which is gradually increased. At each stage, the pipe is blocked off, and then examined afterwards to see if......
Weldability Test Method for Maximum Hardness of Welding Heat-Affected Zone GB 4675.5-84
Abstract
Weldability testing is an essential part of welding process in the manufacture of structural components to ensure the reliability and durability of the weldments. The highest hardness test method (GB 4675.5-84) is one of the welding performance tests, by which the maximum hardness of the......
Weldability Test Oblique Y-shaped Groove Welding Crack Test Method GB 4675.1-84
Spiral Welded Steel Pipe Grades and Standard Specification
Spiral welded steel pipes are widely used in petroleum, natural gas, water pipelines and other projects involving the transportation of various materials. This type of piping has been used for over a century, making it a reliable and popu......
Gray iron castings (abstract) GB 9439-88
Abstract
GB 9439-88 is a national standard for gray cast iron parts. Gray cast iron is a type of cast iron which has an even surface and a dense microstructure with excellent mechanical properties and wear resistance. This standard specifies the requirements, test methods, acceptance criteria, ma......
European Organization for Standardization
What is the European Standardization Organization (ESO)?
The European Standardization Organization (ESO) is an independent, non-profit, voluntary organization established in 1961 in Frankfurt am Main, Germany. Its members comprise major national and regional standardization organizations, industr......
Metal material laboratory uniform corrosion full immersion test method GB 10124-88
The Uniform Immersion Corrosion Test Method for Metal Materials in the Laboratory
The Uniform Immersion Corrosion Test Method for Metal Materials in the Laboratory is the most commonly used test method to investigate the corrosion resistance of metal materials. It is performed according to the pr......
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