There are many types of stainless steel belts on the market, and the quality is also uneven. As a popular variety, 304 stainless steel belts have always been sold well. However, when purchasing this product, manufacturers should master the method of identifying its quality, and how to distinguish it. What? Today, I will talk about it.
304 stainless steel belt, as a leader among many stainless steel materials, is favored by many manufacturers. When purchasing, manufacturers should first check the surface of the product to see if the thickness of the product is uniform and the surface is smooth and flat. Lots of pitting and signs of rust.
Sometimes it is normal for a product to have a little pockmark on the surface. When purchasing, try to choose the one with less pockmarks.
How to identify whether the product is made of 304 stainless steel is very important for the manufacturer when purchasing it. The following details how to judge whether the product is made of 304 stainless steel and not fake from other materials.
1. Judging from the price, if the quotation given by the supplier is too low and lower than the normal price range, you need to be careful whether it is 304 stainless steel made by other materials.
2. The 304 stainless steel belt produced by regular manufacturers will have the word "304" printed on the surface of the product. When purchasing, you should check whether there is this mark, and you can also ask for a quality certificate.
3. Acid reagents can also be used for detection. If it is a 304 stainless steel belt, then in the acid reagent, the surface will not change color. If it changes color, it means that it is another material.
4. If the purchase volume is relatively large, you can also take part of it and send it to an authoritative testing agency to use professional testing methods to test the composition of its materials.
When you need to buy 304 stainless steel belt, you not only need to carefully observe the surface of the product, but also need to choose those reputable, high-rated suppliers.