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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......
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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......
Weldability Test Pressure Plate Butt Joint (FISC0) Welding Crack Test Method GB 4675.4-84
Introduction
Welding has become an important part of modern manufacturing processes. It is used in numerous industries, from automotive manufacturing to aerospace production. One test used to ensure welding quality is the FISCO Weld Crack Test. This test involves pressing two plates together and......
NJ 431-86 Technical Conditions for Welding and Repairing Defects in Gray Iron Castings
Defect Repair Of Grey Iron Casting
Grey iron castings are commonly used for casting structural parts in many industrial equipment. According to their structural characteristics, defects are prone to occur during the process of grey iron casting.Moreover, the defects of grey iron castings are usua......
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......
Low temperature Charpy impact test method for metals GB 4159-84
，要求不少于2500 The Test Method of Low Temperature Charpy Impact Test for Metals
Low-temperature Charpy impact test is a kind of mechanical test which is usually used to measure the impact properties of metals. It is a test method used to measure the energy absorbed by a metal during fracture unde......
Metal High Temperature Tensile Test Method GB 4338-84
Introduction
Metal high-temperature tensile testing is one of the most important tests used to measure metals mechanical response to applied stresses at elevated temperatures. The purpose of metal high-temperature tensile testing is to determine the influence of temperature on strength, ductility......
High temperature tensile test method for metal pipes GB 3652-83
GB 3652–83
Metallic pipes are commonly used in industries ranging from construction and manufacturing to healthcare and automotive. As such, it is important that these pipes are fabricated and tested for compliance to safety standards. The GB 3652–83 standard is a national standard issued by th......
Metal pipe flaring test method GB 242-82
GB 242-82 Metal Tube Expanding Test Method
This document provides requirements and procedures for expanding metallic tubes conforming to GB 242. This method relies on the properties of traditional thermally treated or mechanically formed metal tube components to expand under pressure. For this re......
Metal pipe hydraulic test method GB 241-90
，请尽快
Hydraulic Testing of Metal Tubes
Hydraulic testing of metal tubes is a type of test that is used to test the pressure capability of a tube. It applies hydraulic pressure to different points of the tube, to determine its strength and durability. This type of testing is important for a vari......
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