What is ASME SA 212 Grade B?

ASME SA 212 Grade B is a specification for carbon steel plates for pressure vessels. More specifically, it defines a type of carbon steel plate that's suitable for use in constructing pressure vessels where moderate strength and weldability are required. It's not as high strength as some other grades, but offers a good balance of properties.

Key characteristics typically include:

* Carbon Steel: Its primary composition is carbon steel, meaning it is relatively inexpensive and readily weldable.

* Moderate Strength: Offers sufficient strength for many pressure vessel applications but not as high as higher-strength low-alloy steels.

* Good Weldability: The chemical composition is designed to allow for reliable welding processes.

* Normalized or Quenched and Tempered: Depending on the specific needs and the thickness of the plate, it can be delivered in either a normalized or a quenched and tempered condition, affecting its final mechanical properties.

Important Note: Always refer to the official ASME SA 212 specification document for the precise chemical composition, mechanical property requirements, and other details relevant to a specific application. Using the wrong material could have serious safety implications.