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What is the material of steel

What is the material of steel

Answer:

Plastic profiles are used for the production of doors and windows with PVC profiles, as early as the late 1950s has been in Germany, China began in 1983 from the beginning of the 20th century, the late 90s began universal application. Because simply use PVC profiles processing doors and windows strength is not enough, usually in the cavity to add steel to enhance the stability of doors and windows, so the profile of the steel interior made of plastic doors and windows are often called steel doors and windows. With the extensive use of steel doors and windows, PVC profiles for the production of steel doors and windows are commonly known as steel profiles.
In the building construction is mainly used for sliding, sliding doors and windows, fence, pipe and ceiling material applications, through the new process is also widely used in automotive engine protection board, not only light weight, and good toughness, with just fine Nature, and sometimes also known as alloy steel.
Plastic steel profile referred to as steel, the main chemical composition is PVC, it is also called PVC profiles. Is widely used as a new type of building materials, because of its physical properties such as rigidity, flexibility, corrosion resistance, excellent anti-aging properties, is usually used as copper, zinc, aluminum and other non-ferrous metals excellent substitutes.

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