Austenitic stainless steel pipe welding operation method. The welding of the bottom layer of the austenitic stainless steel tube has been carried out by manual tungsten argon arc welding with solid wire welding method, and the tube is filled with Ar to avoid oxidation of the root of the weld to ensure the internal quality of the weld.

The capillary tube is made of copper tube, the length is 1~6m, and the inner diameter is 0.5~2mm. The combination of length and diameter can meet the requirements of different working conditions and different refrigeration capacity of the refrigerant device.

The stainless steel tube is an iron-based alloy containing chromium, nickel, and often molybdenum. It only needs to meet a series of requirements and has a certain level of corrosion resistance. Common stainless steel pipe classification: stainless steel pipe, sheet, round steel, angle steel, profiles, etc.