304Stainless steel pipes and201How to distinguish stainless steel pipes?

      I. Surface:201Stainless steel pipes have a relatively high manganese content. Although their surfaces are bright, they have a dull luster. A high manganese content makes them prone to rust.304Stainless steel pipes contain a relatively high amount of chromium, have a matte surface and are not prone to rust.

　　Bright stainless steel round pipe
　　Ii. Price:201Stainless steel pipes have a low nickel content.304Stainless steel pipes have a high nickel content and superior corrosion resistance201Stainless steel pipe. Therefore,304The price of stainless steel pipes is higher than201The price of stainless steel pipes is expensive.

　　Iii. Spark: Judged by the stainless steel guardrail welding technician201Stainless steel pipes and304The method for stainless steel pipes is as follows: Use a grinding wheel machine to grind the surface of the stainless steel pipe and distinguish it by the size of the spark.201The sparks of stainless steel pipes are relatively long, thick and numerous.304The sparks from stainless steel pipes are relatively short, fine and few.


　　Stainless steel square tube
　　4. Solution: Apply stainless steel pickling paste to the surface of the stainless steel pipe respectively. After a few minutes, observe the color change at the applied area. If it turns black, it is201Stainless steel pipes are those that turn white or do not change color304Stainless steel pipe.

　　Foshan Weilihuang Trading Co., Ltd. is a leading manufacturer specializing in the production and sales of international and domestic stainless steel hardware accessories and its own brands. The company is located at Tianjinli Hardware Accessories Center, Lanshi 2nd Road, Chancheng District, Foshan City, Guangdong Province8seat10-12The number (i.e., the main entrance of the market) has an abundant supply of goods, a complete range of varieties, wide coverage, favorable prices, and stable and superior quality!

　　The company uses high-quality stainless steel and exquisite craftsmanship to ensure there are no weld marks at the interfaces. Its products feature novel designs, elegant craftsmanship, and long-lasting durability. The company has always adhered to the principle of quality first and reputation first. It is equipped with mature production facilities and has strong technical strength, thus ensuring the quality of its products. The company is willing to make unremitting efforts to join hands with our customers to create a win-win situation and provide high-quality products for our partners.