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Overall heat treatment As far as possible, the welding head should be post-welded pipe components in the heat treatment furnace, but the components sh...
Because steel pipes that transport gas or liquid need to withstand a certain pressure, the internal stress generated during the cold rolling process m...
The welding temperature must be high enough to melt the connected materials. Therefore, they introduce thermal cycling, which causes the material clos...
The welding temperature must be high enough to melt the connected materials. Therefore, they introduce thermal cycling, which will cause the material ...
Normalizing: Usually performed on carbon steel to provide a stress-free fine grain structure. This is achieved by making the temperature higher than t...
In the preheating before welding, the welding of important parts and the welding of alloy steel and thick parts are required. The main functions of pr...
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