Three major characteristics of stainless steel pipes

1. Corrosion resistance
Most stainless steel products require good corrosion resistance. Stainless steel pipes are similar to Class I and Class II tableware, kitchen utensils, water heaters, drinking fountains, etc. Some foreign businessmen also conduct corrosion resistance tests on products: use NACL aqueous solution to warm to boiling, and after a period of time the solution is drained, washed and dried, and the weight loss is determined to determine the degree of corrosion.
2. Welding processability
Welding performance requirements vary from product to product. A kind of tableware usually does not require welding properties, even for some pot companies. However, most products require raw materials with good welding properties, such as Class II tableware, thermos cups, steel pipes, water heaters, water dispensers, etc.
3. Polishability
At present, stainless steel products are generally polished during the production process, and only a few products such as water heaters, water dispenser linings, etc. do not require polishing. Therefore, this requires good polishing properties of the raw material.
The three main reasons why polishing performance is affected are as follows:
(1) There are problems with the surface of the raw materials: scratches, damage, soaking, etc.
(2) The raw materials of stainless steel pipes have low hardness and poor BQ. Orange peel phenomenon is prone to occur during deep drawing, which affects the Bq performance of endless square steel pipes. High hardness will be better.
(3) Black spots may appear on the surface of stainless steel pipes after deep drawing, which affects the BQ properties of stainless steel pipes.