ASTM A612 High Strength Carbon Steel Pressure Vessel Plates for Moderate and Lower Temperature Service

ASTM A612 is a specification for pressure vessel plates, carbon steel, high strength, for moderate and lower temperature service. This grade of steel is primarily used in the fabrication of boilers and pressure vessels that operate at moderate and lower temperatures, where high-strength and toughness are required.

The chemical composition of ASTM A612 includes carbon, manganese, phosphorus, sulfur, and silicon. The material is also available in three different grades, each with different levels of tensile strength and yield strength. Additionally, the material is typically normalized, which involves heating the material to a specific temperature and holding it until it is fully transformed to the desired structure. Normalization improves the toughness and strength of the material.

In terms of mechanical properties, ASTM A612 has a minimum tensile strength of 70-90 ksi and a minimum yield strength of 50 ksi. The material also has good elongation and reduction of area values, which ensure it can withstand the stresses and strains of high-pressure service. The high-strength properties of this material make it an excellent choice for use in pressure vessel applications that require high strength and toughness.

As a factory, it is important to adhere to the ASTM A612 specification to ensure the production of high-quality and reliable products. This includes ensuring that the material is properly heat-treated and tested to meet the required mechanical and chemical properties. Additionally, it is important to follow proper welding procedures when working with this material to ensure good weldability and to avoid any potential issues with hydrogen-induced cracking.

Overall, ASTM A612 is an excellent material for use in the fabrication of pressure vessels and boilers that operate at moderate and lower temperatures. As a factory, it is important to produce high-quality products that meet the required safety standards and regulations, including those set by ASME.

General Product Description

ASTM A612 specification is the Standard Specification for Pressure Vessel Plates, Carbon Steel, High Strength, for Moderate and Lower Temperature Service. ASTM A612 encompasses carbon-manganese-silicon steel plates intended for use in welded pressure vessels for moderate and low temperature service.

Dimension Range

Thickness: Inquire for thicknesses less than 0.375 in.

Width: Inquire for widths less than 72 in. or greater than 120 in.

Length: Maximum length for normalized plate is 600 in.

Mechanical Properties

Tensile testing is performed in the transverse direction.

1) See specification A20 for elongation adjustment.