Technical requirements and test standards for welding heat resistance

Date：2023-08-15 15:41:00Views：313

Welding heat resistance technology refers to the ability of materials to maintain stable chemical and physical properties in high-temperature environments, without deformation, cracks, oxidation, and other problems, for welding or other hot processing operations. This technology is usually applied in high-temperature equipment, aerospace, nuclear industry, chemical industry, and other fields. This article will discuss the technical requirements and testing standards for welding heat resistance.

Technical requirements for welding heat resistance

Welding heat resistance technology refers to the ability of materials to withstand high temperatures and maintain their original performance during the welding process. The material after welding is required to have a tensile strength, impact resistance, crack resistance, oxidation resistance, corrosion resistance, heat resistance, shape and size retention, and good weldability not lower than that before welding. In order to evaluate the welding heat resistance of materials, commonly used test standards include welding heat affected zone test, tensile test, impact test, crack sensitivity test, oxidation test, and corrosion test.

Standard for welding heat resistance test

GB/T 4937.15-2018 Semiconductor Devices - Mechanical and Climatic Test Methods - Part 15: Soldering Heat Resistance of Through Hole Mounted Devices

SJ/T 11200-2016 Environmental Testing Part 2-58: Testing Test Td: Test Method for Solderability, Corrosion Resistance of Metallized Layers, and Welding Heat Resistance of Surface Assembled Components

BS EN 60068-2-58-2004 Environmental testing - Test methods - Test Td. Test methods for brazing resistance, spray metal melting resistance, and surface mount equipment (SMD) welding heat resistance

JIS C60068-2-58-2006 Environmental Testing Methods - Test Methods for Solderability, Resistance to Welding Rod Metal Spray Coating, and Resistance to Welding Heat of Electrical, Electronic, and Surface Mount Components (SMD)

IEC 60068-2-58-2004 Environmental testing - Part 2-58: Test test Td: Solderability, resistance to metallization and melting, and resistance to welding heat test methods for surface mounted components

In practical applications, welding heat resistance technology needs to be optimized based on specific process and equipment conditions to ensure the stability of welding quality and equipment performance. At the same time, attention should also be paid to the service life and maintenance of materials to ensure the safe and reliable operation of the equipment.

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