The most common question about heat treating What is the difference between case hardening and through hardening? The most common metal is steel which is available in many different alloys. The most common type of steels are: 1: Those which may be grouped under the heading mild steel and generally contain less than 0.25% carbon. 2: Those classed as medium to high carbon which contain carbon over 0.25%. medium carb. 0.25% - 0.5%.
Noun. 1. NRC-an independent federal agency created in 1974 to license and regulate nuclear power plants. Nuclear Regulatory Commission. independent agency-an agency of the United States government that is created by an act of Congress and is independent of the executive departments. 1  Facebook.
The Republican National Committee (RNC) provides national leadership for the Republican Party of the United States. It is responsible for developing and promoting the Republican political platform, as well as coordinating fundraising and election strategy.