LDK developing and producing stainless steel with properties such as free-cutting, cold workability, high-strength to meet the various needs of customers.
Stainless steel is a group of iron-based metal containing at least 10% chromium (alloy metals).
The chromium oxide ''CrO'' creates an invisible barrier (''passive film'') to oxygen and moisture. Therefore the Chromium protects the iron against most corrosion or red-colored rust; thus the term “stainless” steel.
The layer is too thin to be visible, meaning the metal stays shiny. It is, however, impervious to water and air, protecting the metal beneath. Also, when the surface is scratched this layer quickly reforms.
The purpose of stainless steel is to provide hard steel material highly resistant to stain, rust and corrosion and resistance against:
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