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Basic knowledge of stainless steel (2)
The definition of stainless steel is in the air or chemical corrosion medium a corrosion resistant high alloy steel, stainless steel is a beautiful surface and good corrosion resistance, such as having to color-plated surface treatment, and the play inherent in the surface of stainless steel performance, for use in a wide range of steel, often referred to as stainless steel. The representative of the performance of 13 Cr steel, 18 - such as chrome-nickel steel alloy.
Metallography analysis from the pont of view, because the surface of stainless steel containing chromium to form chromium thin film, the membrane separating invasive and steel with oxygen from the role of corrosion-resistant.
In order to maintain the stainless steel corrosion resistance inherent in the steel must contain more than 12 percent chromium.
General Characteristics
◆ surface appearance and the use of the possibility of diversification of
◆ good corrosion resistance, long-term durability than ordinary steel
◆ high strength, and thus the possibility of the use of large plate
◆ high temperature oxidation and high strength, able to fire anti -
◆ room temperature processing, plastic processing that is easy to
◆ because do not have to surface treatment, so simple and easy to maintain
◆ clean, smooth finish high
◆ good weldability