The A471/A471M-09(2014) steel grade is a specification for pressure vessel plates, carbon steel, for intermediate- and higher-temperature service. This steel grade is primarily used in the fabrication of welded boilers and pressure vessels.
The chemical composition of A471/A471M-09(2014) steel grade is as follows:
– Carbon (C): 0.28% max
– Manganese (Mn): 0.90% max
– Phosphorus (P): 0.025% max
– Sulfur (S): 0.015% max
– Silicon (Si): 0.15 – 0.40%
– Copper (Cu): 0.20% max
The mechanical properties of A471/A471M-09(2014) steel grade include:
– Tensile strength: 415-585 MPa (MegaPascals)
– Yield strength: 220 MPa min
– Elongation in 2-inch (50 mm): 20% min
These properties make A471/A471M-09(2014) steel grade suitable for various high-temperature pressure vessel applications such as power generation, petrochemical industries, and the manufacturing of tanks and vessels for storing and transporting gases and liquids under high pressure.
The standard number for A471/A471M-09(2014) steel grade is ASTM A471/A471M-09(2014). This standard is published by the American Society for Testing and Materials (ASTM) and provides guidelines and specifications for the manufacture and testing of carbon steel plates for pressure vessels.
Overall, A471/A471M-09(2014) steel grade offers good mechanical properties, high tensile strength, and excellent weldability, which make it suitable for a range of applications in the pressure vessel industry.