What is the designation for chromium steel that includes heat and corrosion resistance?

The designation for chromium steel that incorporates heat and corrosion resistance is indeed found in the SAE514XX series. This classification indicates that the steel contains chromium, which improves its hardness and mechanical properties, while also providing some level of corrosion resistance. Additionally, the specific "514" in the designation signifies that it belongs to a group of alloy steels that are meant for applications where higher strength and improved wear resistance are required.

The "XX" part relates to the exact carbon content, which can affect the material's overall properties such as tensile strength and ductility. The inclusion of chromium contributes to the alloy’s capability to withstand higher temperatures and resist oxidation and corrosion, making it suitable for various demanding applications.

This designation helps engineers and designers identify appropriate materials for components that need to perform under challenging environmental conditions, distinguishing it from other grades that do not specifically address these requirements.