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In the welding process, due to the unevenness of heating and cooling, as well as the constraints or additional constraints of the component itself, we...
The welding of important components, the welding of alloy steel and the welding of thick parts all require preheating before welding. The main functio...
There are three purposes of post-weld heat treatment: eliminating hydrogen, eliminating welding stress, optimizing weld structure and overall performa...
Preheating before welding and heat treatment after welding are very important to ensure welding quality. The welding of important components, the weld...
Crack parameters When the carbon equivalent is equal to or less than 0.17 wt-%, or high-strength steel is used, the Ito & Bessyo parameter crack d...
The preheating itself is often considered quite common. It refers to heating the workpiece to be welded to above room temperature before or during wel...
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