Exploring the Temperature Depth between Layers of Stainless Steel Pipes

28/mag/2018 02:44:36 stainless steel Contatta l'autore

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1. 309 Stainless Steel Pipe  fittings should not be brought into direct contact with other metals, and non-metallic materials such as wood boards or rubber boards should be added.

2. The starting and ending arcs of stainless steel pipe fittings shall be back-welded. The arc shall be filled with arc pits. The arcing must be completed within the groove, and arcing and arcing on the surface of the base material of pipes and fittings are prohibited. If defects such as air holes and cracks are found at the start of arcing and arcing, they shall be promptly disposed of.

3, 310 Stainless Steel Pipe multi-channel multi-layer arc welding, arcing should be staggered.

4, stainless steel pipe fittings, pipe fittings and stainless steel pipe, pipe fittings and non-stainless steel pipe, pipe fittings, welding butt joints before welding the pipe and the cavity should be filled with argon protection in order to conduct tungsten argon arc welding.

5. When the stainless steel pipe materials are continuously welded, the temperature between the layers does not exceed 60 °C.

6. The inside of the weld should be filled with argon for tack welding of stainless steel pipe fittings and fittings.

7. Stainless steel pipe cutting is not allowed to use normal grinding wheel cutting, special stainless steel pipe wheels or plasma cutting should be used.

8, stainless steel pipe fittings welded joints at the weld, after welding, pickling and passivation treatment.

9. Stainless steel pipeline pressure test has certain requirements for water temperature and water quality. Its water temperature must not be less than 5 degrees Celsius; the chlorine ion content in water should not be greater than 25Pmm.

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