How to identify 304 stainless steel pipe? There are the […]
How to identify 304 stainless steel pipe? There are the following simple and practical methods:
1. Recognize with steel stamp
304 stainless steel pipe Nowadays, when many regular stainless steel manufacturers produce 304 stainless steel pipe, they will have the corresponding steel stamp on it. The steel stamp generally includes the material of the stainless steel pipe and the manufacturer's brand. stainless steel shower set The 304 stainless steel pipe can be identified by the steel stamp on the stainless steel. Second, look at the color recognition.
This requires the help of professionals to allow them to identify the true and false of 304 stainless steel through the color and smoothness of the surface of the stainless steel pipe.
Third, use magnets to identify 304 stainless steel pipes
Ordinary stainless steel tubes have strong magnetic properties, but 304 stainless steel tubes are non-magnetic or weakly magnetic. Take a magnet close to the ordinary stainless steel tube and 304 stainless steel tube, you can clearly feel the magnetic difference between the two, and know which one is the real 304 stainless steel tube.
4. Identify 304 stainless steel pipe with detection potion
If it can't be identified with a magnet, try using the detection potion to identify it. There are potions for testing steel, which are available on the market. Drop the medicine on the stainless steel tube that needs to be tested, and the material of the stainless steel tube can be identified according to the degree of color change. 304 stainless steel has been tested by the syrup, and there will be no color change within 3-5 minutes.