Stainless steel tube welding points
2023-10-26 14:09:02
First, the relevant experts feel that when using the vertical external characteristics of the power supply, if the DC is good, the positive polarity is used, and the welding is good to connect the negative electrode.
Second, if the welding is a relatively thin plate, the welding method using stainless steel pipe has the characteristics of beautiful weld bead formation and small welding deformation.
3. When welding stainless steel tubes, the gas to be protected is argon. Pay attention to the purity, the current of welding, the current required by argon, and the flow rate of argon.
4. For the length of the gas ejected in the tungsten wire, the length of 4mm shall prevail. After some fillet welding, the zui is preferably 2mm.
5. In order to prevent the occurrence of air holes in the welding during operation, the welding parts must be cleaned such as rust and oil.
6. In the case of docking, in order to prevent the back side of the bottom bead from being oxidized, gas protection is also required on the back side.
7. In order to protect the argon gas from falling into the molten pool during welding, the relevant experts believe that the tungsten center line and the welded part should generally have a slope.
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