The A543/A543M-09(2014) steel grade is a low alloy steel that is primarily used for high temperature service. It is commonly used in pressure vessel applications, such as in power plants, where it is necessary to withstand high pressures and temperatures.
The chemical composition of the A543/A543M-09(2014) steel grade is as follows:
– Carbon (C): up to 0.25%
– Manganese (Mn): up to 0.70-1.35%
– Phosphorus (P): up to 0.035%
– Sulfur (S): up to 0.035%
– Silicon (Si): up to 0.15-0.35%
– Nickel (Ni): up to 2.25-3.25%
– Molybdenum (Mo): up to 0.45-0.60%
Mechanically, the A543/A543M-09(2014) steel grade has the following properties:
– Tensile strength: The minimum tensile strength of this steel grade is 690 MPa (100 ksi).
– Yield strength: The minimum yield strength of this steel grade is 515 MPa (75 ksi).
– Elongation: The minimum elongation of this steel grade is 18%.
These mechanical properties make the A543/A543M-09(2014) steel grade suitable for high pressure and high temperature applications, as it can withstand the mechanical stresses and strain associated with such conditions.
The A543/A543M-09(2014) steel grade is specified by the ASTM International standard number A543/A543M. This standard provides the requirements for the chemical composition and mechanical properties of the steel grade, ensuring its suitability for specific applications.
The corresponding applications of the A543/A543M-09(2014) steel grade include the manufacturing of pressure vessels used in power plants and other industries where high temperature and high pressure conditions are encountered.
Overall, the A543/A543M-09(2014) steel grade is a low alloy steel that is specifically designed to withstand high temperature and high pressure conditions. Its chemical composition and mechanical properties make it suitable for use in pressure vessel applications in industries such as power generation.