Shaanxi Tonghui Import & Export Co., Ltd

 The use of stainless steel pipes or more use of time after mirror stainless steel sheet a long time, are the need to check it this is a very critical step, in order to ensure the quality and safety of stainless steel pipes, so in the inspection must ensure the quality of the pipe. Let's understand the method of surface quality inspection of stainless steel pipes.
1. If there is debris on the surface of the stainless steel pipe, especially when there is dust adhesion, heating will of course have an impact on the scale of oxide.
2. If there is lubricating oil attached to the workpiece during cold working, the degreasing agent in trichloroethylene brushed stainless steel sheet is used. After sufficient degreasing in caustic soda solution, it is washed with warm water and then heat treated.
3. The difference in the atmosphere in the stainless steel tube furnace The atmosphere in the furnace is different in each part, and the formation of the oxide scale will also change, which is ... [Details]