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1. What should be done if the thickness of the steel workpiece exceeds the maximum welding current that the welding machine can achieve when using gas metal arc welding (GMAW) and flux cored wire gas arc welding (FCAW) to weld steel workpieces? ...

We are delighted to invite you to visit our booth at the 27th Beijing Essen Welding & Cutting Exhibition, where we will be showcasing our latest innovations and technologies in welding and cutting machine. The exhibition will be held from August 13 to 16, 2024 at Shanghai New International Expo Centre .

1. What are stainless steel and acid resistant stainless steel? Answer: The content of the main element "chromium" in metal materials (with the addition of other elements such as nickel and molybdenum) can make steel in a passive state and have stainless c...

 

 

The relationship between welding speed and weld quality should be understood dialectically and not neglected. Mainly manifested in the heating stage and crystallization stage. Heating stage: Under the condition of high-frequency straight seam welded pipe, the...

Electric arc: a strong and persistent gas discharge phenomenon in which there is a certain voltage between the positive and negative electrodes, and the gas medium between the two electrodes should be in an ionized state. When igniting a welding arc, it is ...

Welding porosity During welding, the pores formed by the residual bubbles in the molten pool that fail to escape during solidification. Reasons: 1) The surface of the base material or welding wire material is contaminated with oil, the oxide film is no...

Since magnesium alloys have the characteristics of low density and melting point, large thermal conductivity, electrical conductivity and thermal expansion coefficient, strong chemical activity, easy oxidation and high melting point of oxides, the welding of magnesium alloys must solve the following series of problems:

 

 

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Welding Technique of Aluminum Welding The most suitable welding gun for aluminum materials is the wire drawing welding gun. If you are unable to use this type of welding gun, try to use the shortest welding gun to keep it straight; Only argon gas can be use...