What is stainless steel?

Stainless steel is chromium content of more than 12%, so it has no rust characteristics of a large class of iron based alloy copper.

What are the types of commonly used stainless steel?

Recently the market commonly used in stainless steel model is commonly known as SUS304 (Japanese grade standard) my country brand is OCr18Ni9.

The same specifications, the harder the better?

Not necessarily, some of the market due to the production technology is limited, the carbon content is too high and contains a small amount of nitrogen lead to increased hardness; in addition, if Ni, Cr reduce the hardness will rise. Toughness and corrosion resistance of these two types of materials will also decline.

Stainless steel will not rust? Decorative stainless steel under what conditions are easy to rust?

Not, decorative stainless steel corrosion, in addition to its own defects, and the environment, such as air humidity, air temperature, flow velocity, flow direction, contained in the air composition and quantity of impurities have a great relationship. The corrosion rate is less than 0.01M/ in the atmosphere and weak corrosive medium, which is considered to be "completely corroded". But in the CL medium (such as salt), sulfuric acid, oxalic acid (commonly used in engineering that the wall cleans), hydrochloric acid, clean porcelain agent (interior cleaning supplies will rust, in the curing process should use neutral substances (such as water, regular cleaning to reduce the corrosion medium adhesion and rust, also should avoid sharp objects scratch (such as a blade, wire brush) to avoid affecting the appearance and destruction of intergranular results and rust.

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