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Welding standards and processes are important guarantees to ensure the welding quality during the production and installation of steel structures
Jun 11,2025
Materials and main tools: including welding rods, the model should be selected according to the design requirements.
The external wiring of the welding equipment must be firm and reliable, especially the return route of the workpiece.
Materials and main tools: including welding rods, the model should be selected according to the design requirements.
The external wiring of the welding equipment must be firm and reliable, especially the return route of the workpiece.
Key points of welding process:
Select appropriate welding auxiliary devices, such as welding machines and their auxiliary equipment, circuits, waterways, gas routes and mechanical devices should ensure normal.
Before welding, the surface of the body parts should be cleaned to remove dust, oil, paint, oxide, rust, etc.
To monitor the correctness of welding process specification, peeling test or picking test of welding workpiece with flat shovel is carried out.
In the implementation of welding engineering, compliance with the above standard specifications and process requirements is essential to ensure welding quality and safety.
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The principle of welding, how to form the solder joint
The principle of welding is based on solid bonding between metals, and the specific formation process involves several key aspects. First, the metal at the connection site is heated to a molten state, which is called melting core. When the temperature is high enough, the surface tension of the material being welded is reduced, allowing the molten metal (solder) to wet the substrate and solidify to form a strong contact as the temperature decreases.
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