A professional who inspects parts and assemblies before and after heat treating for conformance to specifications. Respnsibilities include:

• Examines parts for cleanliness and previous inspection clearances.
• Reads control dials, such as pyrometer, at periodic intervals to ensure specified temperatures and soaking and cooling times are maintained.
• Examines processed parts for conformance to specifications, using handtools and precision measuring instruments.
• Stamps approved items and writes rejection notices and rework orders on parts not meeting specifications.
• May operate equipment to determine hardness of parts and thermal treatment required to process parts, following blueprint specifications.