Distinguish good quality stainless steel and stainless steel

Distinguish good quality stainless steel and stainless steel

Stainless steel is becoming increasingly popular, popular among consumers because of the shiny appearance of the material, which looks very clean.

However, there are many cases where the installation is not used for a long time, it is no longer shiny, but tarnished, tarnished, or even rusty and appears tiny holes as explosive. On the market today there are many types of stainless steel imitation. The main materials of these products may be steel or iron, plated with copper, nickel and chromium.

It is possible to distinguish stainless steel "stainless steel" and stainless steel by the shine of the material. Inox plating usually has bright shine while stainless steel "genuine" light color thanks to.

In addition, consumers can try using magnets. Depending on the stainless steel that stainless steel products "genuine" either do not suck from or if only lightweight magnet, when pulling out the force on the hand will be very gentle.

Inox plating will have a strong suction, even just to bring near the "sound" heard because the magnet is sucked into the metal. When the magnets are removed, the gravity of the grains will be very strong.

Technicians can also use hot acid about 70 degrees to check stainless steel. If chromium stainless steel will be black, while good stainless steel will retain the color.

Good quality stainless steel is also rare!

Inox also has many types, depending on the content of the constituents. Basically stainless steel components usually have 18% chromium, 8% nickel, the rest are iron and other components. Since nickel is expensive, nickel can be replaced with manganese in some cases, but this alternative makes the wear resistance of the material very low.

Another stainless steel with 12% chromium content is also glossy but not called stainless steel because of magnetic attraction. To distinguish good quality stainless steel or not the only way is to use machinery to analyze the composition, but can not depend on acid tests, try magnetic suction as distinguished stainless steel material.

In the interior design industry, stainless steel materials are used as a table, chair and some other furniture as staircase, stair handrail ...

Low-quality stainless steel appliances are also dull, stained or even surface blown. However, the risk of heavy metal contamination is not clear, but accurate studies are needed.

For stainless steel materials, for cheaper prices, the manufacturer may use poor quality plating, doped with many substances or not copper plated. Heavy-metal-plating substances, which are added to food for a long time, can cause heavy metals accumulation in the body, damaging the health, even leading to dangerous diseases such as liver, cancer. , ...