The median annual wage for Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic in St. Louis, MO-IL is $51,250 (May 2024 BLS OES). The mean (average) is $50,170.
Pay spans roughly $29,340 at the 10th percentile to $62,080 at the 90th, so experience and specialisation move this figure a lot. At the median that is about $24.64 per hour. An estimated 140 people work as heat treating equipment setters, operators, and tenders, metal and plastic in St. Louis, MO-IL.
| Median (annual) | $51,250 |
| Mean (annual) | $50,170 |
| Median (hourly) | $24.64 |
| 10th percentile | $29,340 |
| 90th percentile | $62,080 |
| Employment | 140 |
Updated 2026-07-23.
Source: BLS OES May 2024 — bls.gov/oes. Checked 2026-07-23.