AI exposure by occupation, O*NET 51-4191.00

Will AI replace Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic?

Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic: AI does not yet handle any of the role's 23 tasks; most of the work is hands-on, and the part AI can address mostly needs an efficient-tier model.

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Every task, scored

The 23 tasks O*NET 30.3 lists for Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic, from most to least exposed. None reaches 60, the level at which AI already handles a task.

Task AI exposure Evidence Model tier Importance
Adjust controls to maintain temperatures and heating times, using thermal instruments and charts, dials and gauges of furnaces, and color of stock in furnaces to make setting determinations. 20 Estimated Efficient 4.6
Repair, replace, and maintain furnace equipment as needed, using hand tools. 20 Estimated Efficient 3.9
Read production schedules and work orders to determine processing sequences, furnace temperatures, and heat cycle requirements for objects to be heat-treated. 15 Estimated No tier 4.8
Determine flame temperatures, current frequencies, heating cycles, and induction heating coils needed, based on degree of hardness required and properties of stock to be treated. 15 Estimated No tier 4.7
Record times that parts are removed from furnaces to document that objects have attained specified temperatures for specified times. 15 Estimated No tier 4.7
Determine types and temperatures of baths and quenching media needed to attain specified part hardness, toughness, and ductility, using heat-treating charts and knowledge of methods, equipment, and metals. 15 Estimated No tier 4.7
Examine parts to ensure metal shades and colors conform to specifications, using knowledge of metal heat-treating. 15 Estimated No tier 4.6
Start conveyors and open furnace doors to load stock, or signal crane operators to uncover soaking pits and lower ingots into them. 15 Estimated No tier 4.5
Set up and operate or tend machines, such as furnaces, baths, flame-hardening machines, and electronic induction machines, that harden, anneal, and heat-treat metal. 15 Estimated No tier 4.5
Load parts into containers and place containers on conveyors to be inserted into furnaces, or insert parts into furnaces. 15 Estimated No tier 4.5
Remove parts from furnaces after specified times, and air dry or cool parts in water, oil brine, or other baths. 15 Estimated No tier 4.4
Test parts for hardness, using hardness testing equipment, or by examining and feeling samples. 15 Estimated No tier 4.4
Move controls to light gas burners and to adjust gas and water flow and flame temperature. 15 Estimated No tier 4.3
Mount workpieces in fixtures, on arbors, or between centers of machines. 15 Estimated No tier 4.1
Reduce heat when processing is complete to allow parts to cool in furnaces or machinery. 15 Estimated No tier 4.1
Mount fixtures and industrial coils on machines, using hand tools. 15 Estimated No tier 4.1
Heat billets, bars, plates, rods, and other stock to specified temperatures preparatory to forging, rolling, or processing, using oil, gas, or electrical furnaces. 15 Estimated No tier 4.1
Position stock in furnaces, using tongs, chain hoists, or pry bars. 15 Estimated No tier 4.0
Instruct new workers in machine operation. 15 Estimated No tier 4.0
Clean oxides and scales from parts or fittings, using steam sprays or chemical and water baths. 15 Estimated No tier 3.6
Stamp heat-treatment identification marks on parts, using hammers and punches. 15 Estimated No tier 3.2
Set and adjust speeds of reels and conveyors for prescribed time cycles to pass parts through continuous furnaces. 10 Estimated No tier 4.5
Signal forklift operators to deposit or extract containers of parts into and from furnaces and quenching rinse tanks. 8 Estimated No tier 4.1

Observed: scored from AI use recorded in the Anthropic Economic Index (June 2026 release), 0 of 23 tasks. Estimated: scored from the task's O*NET 30.3 work activity, 23 of 23. Importance is O*NET's 1 to 5 rating of how central the task is. Model tier is the lowest tier that can do the task under the published rubric; "No tier" marks hands-on work.

The model tier this role needs

An efficient-tier model or lower covers 9% of the role's importance-weighted task work. 9% of the work is something AI can address at some tier, and 91% is hands-on.

Efficient, standard and frontier tiers come from the JobRoute model tier reference. The recommended tier is the lowest one that covers 80% of the work AI can address. How the method works.

Wages, employment and outlook

US employment
14,000
Median annual wage
$48,750
Middle half of earners
$40,660 to $58,400
Projected change, 2024 to 2034
-12.8%

Employment and wages: BLS Occupational Employment and Wage Statistics, May 2025, national. Projection: BLS Employment Projections 2024 to 2034.

Adjacent roles

The occupations that reuse the most of this role's skills, with the usual time to move. These are the first places to look when you plan to redeploy or retrain people in this role.

Skill overlap and transition time from the JobRoute role adjacency graph on O*NET 30.3 skills.

Questions about Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic and AI

Will AI replace Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic?

Not on current evidence. None of the 23 tasks O*NET lists for this occupation reaches a task exposure of 60, the level at which JobRoute counts a task as handled by AI, and the role's importance-weighted exposure is 15 out of 100. JobRoute scores tasks, not whole jobs, so the score shows how much of the work changes rather than whether the job disappears.

What is the AI exposure of Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic?

15 out of 100 on JobRoute's task exposure measure, the importance-weighted average of the role's O*NET task scores. Higher means more of the work is AI-doable today. 0 of the 23 task scores are observed in the Anthropic Economic Index (June 2026 release), and the other 23 are estimated from each task's O*NET work activity.

Which Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic tasks can AI already do?

None reaches 60 yet. The most exposed task is: Adjust controls to maintain temperatures and heating times, using thermal instruments and charts, dials and gauges of furnaces, and color of stock in furnaces to make setting determinations, at 20 out of 100.

What AI model tier does this role need?

An efficient-tier model or lower covers 9% of the role's importance-weighted task work, and 91% is hands-on work that no model tier covers. JobRoute assigns each task the lowest tier that can do it under a published rubric and recommends the lowest tier that covers 80% of the work AI can address.

How many people work as Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic, and what do they earn?

14,000 people in the United States, with a median annual wage of $48,750 (BLS Occupational Employment and Wage Statistics, May 2025). BLS Employment Projections expect a change of -12.8% from 2024 to 2034.

How to cite

Data version 2026-11-02, JobRoute method v1.0.0. Download all occupations or this occupation as JSON. Methodology.

JobRoute (2026). AI exposure: Heat Treating Equipment Setters, Operators, and Tenders, Metal and Plastic. Data version 2026-11-02, method v1.0.0. Built on O*NET 30.3, BLS OEWS May 2025 and the Anthropic Economic Index (June 2026). CC BY 4.0. https://www.jobroute.ai/jobs/heat-treating-equipment-setters-operators-and-tenders-metal-and-plastic

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