SA533GrB pressure vessel steel plate is a high-strength steel that is commonly used in the manufacturing of pressure vessels, reactors, and other high-pressure equipment. It is characterized by its excellent mechanical properties and reliable performance under extreme conditions.

Chemical composition

The chemical composition of SA533GrB steel plate is as follows:

* Carbon (C): 0.20-0.28%

* Manganese (Mn): 0.75-1.50%

* Silicon (Si): 0.15-0.35%

* Phosphorus (P): ≤0.015%

* Sulfur (S): ≤0.010%

* Chromium (Cr): 0.20-0.40%

* Molybdenum (Mo): 0.15-0.35%

* Nickel (Ni): 0.45-0.85%

* Aluminum (Al): ≤0.04%

* Titanium (Ti): ≤0.01%

* Boron (B): ≤0.0005%

Mechanical properties

SA533GrB steel plate exhibits high strength and ductility, with a yield strength of ≥533 ksi and a tensile strength of ≥735 ksi. It also has excellent impact toughness and fatigue resistance, making it suitable for use in pressure vessels that are subject to cyclic loading and harsh environments.

Heat treatment

SA533GrB steel plate is typically heat treated to achieve its desired mechanical properties. The heat treatment process typically involves heating the steel to an elevated temperature, holding the steel at this temperature for a specific period of time, and then cooling it at a controlled rate. This process improves the mechanical properties and corrosion resistance of the steel.

Application areas

SA533GrB steel plate is widely used in the construction of pressure vessels, reactors, and other high-pressure equipment in the chemical, petroleum, power generation, and other industries. It is often used in applications where high pressure, corrosion resistance, and reliable performance are critical, such as in the processing and transportation of hazardous materials.

Supply case

A leading manufacturer of pressure vessels, reactors, and other high-pressure equipment has used SA533GrB steel plate in the construction of several facilities. One such facility is a large-scale natural gas processing plant that requires high-pressure vessels for separation and purification processes. The manufacturer specified SA533GrB steel plate for the vessels due to its exceptional mechanical properties, corrosion resistance, and reliable performance under harsh conditions. The vessels have operated safely and efficiently for many years, meeting the stringent demands of the plant's operations.