According to the organizational structure, what aspects can automobile sheet metal parts be divided into?
Stainless steel automotive sheet metal parts are generally a general term for stainless steel sheet metal parts and acid-resistant steel. Stainless steel sheet metal parts refer to steels that are resistant to corrosion by weak media such as atmosphere, steam and water, while acid-resistant steels refer to steels that are resistant to corrosion by chemically corrosive media such as acids, alkalis, and salts. Stainless steel sheet metal parts have a history of more than 90 years since the beginning of this century.
The invention of stainless steel sheet metal parts is a major achievement in the history of world metallurgy. The development of stainless steel sheet metal parts has laid an important material and technical foundation for the development of modern industry and scientific and technological progress. There are many types of stainless steel sheet metal parts with different properties. It has gradually formed several categories in the development process.
According to the organizational structure, it is divided into martensitic stainless steel sheet metal parts (including precipitation hardening stainless steel sheet metal parts), ferritic stainless steel sheet metal parts, austenitic stainless steel sheet metal parts and austenitic plus ferritic duplex stainless steel sheet metal parts There are four major categories of metal parts; classified according to the main chemical components in the steel or some characteristic elements in the steel, it is divided into chromium stainless steel sheet metal parts, chromium nickel stainless steel sheet metal parts, chromium nickel molybdenum stainless steel sheet metal parts and low carbon stainless steel sheet metal parts Sheet metal parts, high molybdenum stainless steel sheet metal parts, high-purity stainless steel sheet metal parts, etc.; classified according to the performance characteristics and uses of steel, divided into nitric acid-resistant stainless steel sheet metal parts, stainless steel sheet metal parts, pitting corrosion-resistant stainless steel sheet metal parts , Stress corrosion resistant stainless steel sheet metal parts, high strength stainless steel sheet metal parts, etc.
According to the functional characteristics of steel, it is divided into low temperature stainless steel sheet metal parts, non-magnetic stainless steel sheet metal parts, free-cutting stainless steel sheet metal parts, superplastic stainless steel sheet metal parts, etc. At present, the commonly used classification method is to classify according to the structural characteristics of steel, the chemical composition characteristics of steel and the combination of the two. Generally divided into martensitic stainless steel sheet metal parts, ferritic stainless steel sheet metal parts, austenitic stainless steel sheet metal parts, duplex stainless steel sheet metal parts and precipitation hardening stainless steel sheet metal parts, etc., or divided into chrome stainless steel sheet metal parts There are two categories: parts and nickel stainless steel sheet metal parts.
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