202 stainless steel is one of the 200 series stainless steel, the national standard model is 1Cr18Mn8Ni5N. 202 stainless steel is widely used in architectural decoration, municipal engineering, highway guardrails, hotel facilities, shopping malls, glass handrails, public facilities and other places.
It is made of high-precision automated pipe-making equipment, which is formed by self-etching and welding, roll forming, and filled with gas protection (inside and outside the pipe) without any metal filling. The welding method is TIG process and online solid solution eddy current flaw detection.
Stainless steel knowledge
Stainless Steel refers to steel that is resistant to weak corrosive media such as air, steam, water, and chemically etched media such as acids, alkalis, and salts. It is also called stainless acid-resistant steel. In practical applications, steel that is resistant to weak corrosive media is often referred to as stainless steel, while steel that is resistant to chemical media is referred to as acid-resistant steel. Due to the difference in chemical composition between the two, the former is not necessarily resistant to chemical media corrosion, while the latter generally has rust. The corrosion resistance of stainless steel depends on the alloying elements contained in the steel.
Classification
Stainless steel is often classified according to the state of the organization: martensitic steel, ferritic steel, austenitic steel, and the like. In addition, it can be divided into: chromium stainless steel, chrome nickel stainless steel and chromium manganese nitrogen stainless steel.
Stainless Steel Performance
Stainless steel does not cause corrosion, pitting, rust or wear. Stainless steel is also one of the strongest materials in construction metal materials. Because stainless steel has good corrosion resistance, it enables structural components to permanently maintain engineering integrity. Chromium-containing stainless steel also combines mechanical strength and high extensibility, making it easy to machine parts to meet the needs of architects and structural designers.
Surface Condition
As will be discussed later, a number of different commercial surface finishes have been developed to meet the aesthetic requirements of architects. For example, the surface may be highly reflective or matte; it may be glossy, polished or embossed; it may be colored, colored, plated or etched with a pattern on the surface of the stainless steel, or may be drawn, etc. To meet the designer’s various requirements for appearance. It is easier to keep the surface in condition and only need to be rinsed occasionally to remove dust. Due to the good corrosion resistance, surface contamination or similar surface contamination can also be easily removed.
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