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Chromium Alloys Chemical Composition, Grade Chart, Tables and Documents

The chromium alloys are produced in different chemical compositions depending on the technological solution and are widely used in the industrial field. Chromium, Fe, C and their other features like Ni, Mo or V, considered as alloying elements, are the majority elements of the typical constituents. The alloys are classified into grades according to the different compositions in which each grade exhibits different features that suit any environment or task of a particular purposes. The alloy chart illustrates these metals overall, then indicates their compositions, mechanical properties, and preferred uses in this chart. Many engineering and metallurgists include tables and documents containing detailed information on chromium grades, which help them to choose the most appropriate material that is ideal for their applications. This, therefore, ensures superiority and durability with the ability to operate well in adverse conditions.

Chromium Alloys Chemical Composition Table

The chromium alloys show many different chemical compositions developed especially for various applications such as combining the chromium corrosion resistance with the other metals' properties. The 18-8 type stainless steel (at least 18% chromium and 8% nickel) being used is everywhere: hi-chromium being a common type, is widely used for its reliable performance in diverse environments. Higher chromium alloys including those utilized for making the aeronautical or automotive components are usually more than 12% chromium for the heat resistance as well as the strength. In addition, the creation of a multi-element alloy may require the addition of elements like molybdenum, titanium, and vanadium in order to increase certain characteristics of the alloy. Composition design in an accurate and comprehensive way provides ideal performance in a variety of conditions, for example, in industrial or transformation organization.

Chromium Alloys Composition Table
Element Typical Content (%) Main Role
Chromium (Cr) 10% - 30% Base metal
Nickel (Ni) Up to 30% Alloying element
Iron (Fe) Up to 15% Alloying element
Carbon (C) Up to 1.2% Alloying element
Molybdenum (Mo) Up to 5% Alloying element
Vanadium (V) Up to 5% Alloying element
Tungsten (W) Up to 5% Alloying element
Cobalt (Co) Up to 5% Alloying element
Silicon (Si) Up to 2% Deoxidizer
Manganese (Mn) Up to 2% Deoxidizer
Copper (Cu) Up to 2% Alloying element
Nitrogen (N) Up to 0.15% Alloying element
Phosphorus (P) Up to 0.04% Alloying element
Sulfur (S) Up to 0.03% Alloying element
Boron (B) Up to 0.015% Alloying element

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