Tips for using stainless steel tableware（2）
Tips for using stainless steel tableware
Tableware printed with "13-0", "18-0", "18-8" three code is made of stainless steel tableware, the number in front of the code indicates the content of chromium, the number behind it represents the content of nickel, chromium is the product does not rust material, while nickel is corrosion resistant material. For example, "13-0" contains 13% chromium and no nickel. Special attention should be paid to the following contents when purchasing:
1.When choosing stainless steel products, we should carefully check whether the outer packaging is marked with the material and steel number; Whether to indicate the manufacturer's name, address, telephone number, sanitary standard of containers, etc.
2.Stainless steel can?be judged by magnets. Regular manufacturers will generally use 304 (18-8) and 430 (18-0) stainless steel spoon, with 420 (13-0) do knife, 430 and 420 is with magnetic, 304 is micro magnetic. But there is a 201 and 202 material tableware market, also not magnetic, but whether it can be used to process tableware, domestic is controversial. Someone thinks, 201, 202 material contains manganese high, do not belong to the stainless steel of food grade.
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3.Normally, the stainless steel tableware of same thickness and modelling, high-grade tableware can compare the tableware weight of low grade material pledges to be some heavier. But the density difference is very small, 304 stainless steel is 7.93, 430 and 420 density is 7.75, intuitive is unable to judge.
4.Better not to buy so-called stainless steel products from small vendors. Lay in the street have a lot of that kind of goods, the boss often in very low prices to attract consumers, in fact, that kind of things in most of them are false, real stainless steel products is not so cheap, because the price of the product are made according to the material cost is high and low, the light of "stainless steel" is certainly not edible grade of stainless steel, so big guy must not covet cheap to buy those shoddy products, will damage the health.
5.Used for the production of tableware stainless steel is mainly "Austenitic shape" stainless steel and "Marstenitic shape" stainless steel two. Bowls, plates and other general use of "Austenitic shape" stainless steel production, "Austenitic shape" stainless steel without magnetic; Knives, forks and other general use of "Martensite" stainless steel production, "Martensite" stainless steel magnetic.
6.As a result of material different, the weight of qualified stainless steel tableware should be more than "parallel goods" product.