National hotline
+8615995577609
The welding residual stress is caused by the uneven temperature distribution of the weldment caused by welding, the thermal expansion and contraction ...
The main function of preheating before welding 1 Preheating can slow down the cooling rate after welding, facilitate the escape of diffusive hydrogen ...
In order to improve power generation efficiency, save energy and reduce greenhouse gas emissions, ultra-supercritical power generation units are curre...
1.1 Test process Infrared thermal imaging camera was used to measure the temperature distribution of P92 steel pipe welding process. First, the emissi...
The medium and high temperature equipment in oil refining, large thermal power units and pressurized gasification units for syngas production from coa...
There are three purposes of post-weld heat treatment: eliminating hydrogen, eliminating welding stress, and improving weld structure and overall perfo...
If you have any questions, please contact us immediately and we will answer them patiently.