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Metal making

and treating process operatives

Process, plant and machine operatives, SOC 2020 code 8115. Back to the map

Metal making and treating process operatives operate furnaces, ovens and other heating vessels, drawing, rolling, extruding, galvanising, forging and other metal processing equipment to smelt, shape, coat and treat metal and metal products.

Employees (UK)
12k
Median annual pay
£31,893
Exposure score ?
0.7/10 Minimal 1.2/10 Minimal strict reading, with tools is 1.2/10 with-tools reading, strict is 0.7/10
Wage exposure
£27m £46m

Higher exposure than 42% of the 379 UK occupations we scored.

Read the score as
What a model can do unaided. A model plus workflow tools, closer to how work runs in 2026.

What this score means.

Most of this role's work is still hard for AI: physical presence, practised skill, judgement in context and direct care, the things that do not turn into text.

If you are in this role

Nothing here is under pressure today, but the frontier moves. Learn enough to direct AI at the paperwork around the job. People in hands-on roles who can do that become unusually useful inside their organisations.

Most of this role's work is still hard for AI: physical presence, practised skill, judgement in context and direct care, the things that do not turn into text.

If you are in this role

Nothing here is under pressure today, but the frontier moves. Learn enough to direct AI at the paperwork around the job. People in hands-on roles who can do that become unusually useful inside their organisations.

Two clerks at the US Census Bureau punching population cards on a pantograph and a keypunch, with filing boxes behind them

Where the work usually starts.

These are the most important tasks a language model can already handle directly. In a typical engagement the first wins come from building workflows around them, so they stop eating the team's time.

  1. Read production schedules and work orders to determine processing sequences, furnace temperatures, and heat cycle requirements for objects to be heat-treated.

    O*NET importance 4.8 of 5 A model can do this directly

  2. 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.

    O*NET importance 4.7 of 5 A model can do this directly

  3. Record times that parts are removed from furnaces to document that objects have attained specified temperatures for specified times.

    O*NET importance 4.7 of 5 A model can do this directly

These are the most important tasks AI can already handle when paired with the right tools and context. The first wins usually come from building workflows around them. That is the difference between a model that could do the job and one that actually does it inside your business.

  1. Read production schedules and work orders to determine processing sequences, furnace temperatures, and heat cycle requirements for objects to be heat-treated.

    O*NET importance 4.8 of 5 AI can do this with workflow tools

  2. 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.

    O*NET importance 4.7 of 5 AI can do this with workflow tools

  3. Record times that parts are removed from furnaces to document that objects have attained specified temperatures for specified times.

    O*NET importance 4.7 of 5 AI can do this with workflow tools

Every role has three or four places like these. Finding them takes an hour. Turning them into a workflow your team actually uses takes a few days.

Every task in the role.

Every O*NET task for this occupation, split by what AI can do unaided and what still needs a person. Importance is O*NET's 1 to 5 rating of how central each task is.

What AI can already do

4 of 23 tasks, unaided

  1. Read production schedules and work orders to determine processing sequences, furnace temperatures, and heat cycle requirements for objects to be heat-treated.

    Importance 4.8 of 5

  2. 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.

    Importance 4.7 of 5

  3. Record times that parts are removed from furnaces to document that objects have attained specified temperatures for specified times.

    Importance 4.7 of 5

  4. 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.

    Importance 4.7 of 5

What still needs a person

19 of 23 tasks

  1. Examine parts to ensure metal shades and colors conform to specifications, using knowledge of metal heat-treating.

    Importance 4.6 of 5

  2. 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.

    Importance 4.6 of 5

  3. Set and adjust speeds of reels and conveyors for prescribed time cycles to pass parts through continuous furnaces.

    Importance 4.5 of 5

  4. Start conveyors and open furnace doors to load stock, or signal crane operators to uncover soaking pits and lower ingots into them.

    Importance 4.5 of 5

  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.

    Importance 4.5 of 5

  6. Load parts into containers and place containers on conveyors to be inserted into furnaces, or insert parts into furnaces.

    Importance 4.5 of 5

  7. Remove parts from furnaces after specified times, and air dry or cool parts in water, oil brine, or other baths.

    Importance 4.4 of 5

  8. Test parts for hardness, using hardness testing equipment, or by examining and feeling samples.

    Importance 4.4 of 5

  9. Move controls to light gas burners and to adjust gas and water flow and flame temperature.

    Importance 4.3 of 5

  10. Signal forklift operators to deposit or extract containers of parts into and from furnaces and quenching rinse tanks.

    Importance 4.1 of 5

  11. Mount workpieces in fixtures, on arbors, or between centers of machines.

    Importance 4.1 of 5

  12. Reduce heat when processing is complete to allow parts to cool in furnaces or machinery.

    Importance 4.1 of 5

  13. Mount fixtures and industrial coils on machines, using hand tools.

    Importance 4.1 of 5

  14. Heat billets, bars, plates, rods, and other stock to specified temperatures preparatory to forging, rolling, or processing, using oil, gas, or electrical furnaces.

    Importance 4.1 of 5

  15. Position stock in furnaces, using tongs, chain hoists, or pry bars.

    Importance 4.0 of 5

  16. Instruct new workers in machine operation.

    Importance 4.0 of 5

  17. Repair, replace, and maintain furnace equipment as needed, using hand tools.

    Importance 3.9 of 5

  18. Clean oxides and scales from parts or fittings, using steam sprays or chemical and water baths.

    Importance 3.6 of 5

  19. Stamp heat-treatment identification marks on parts, using hammers and punches.

    Importance 3.2 of 5

What AI can already do

4 of 23 tasks, with tools

  1. Read production schedules and work orders to determine processing sequences, furnace temperatures, and heat cycle requirements for objects to be heat-treated.

    Importance 4.8 of 5

  2. 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.

    Importance 4.7 of 5

  3. Record times that parts are removed from furnaces to document that objects have attained specified temperatures for specified times.

    Importance 4.7 of 5

  4. 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.

    Importance 4.7 of 5

What still needs a person

19 of 23 tasks

  1. Examine parts to ensure metal shades and colors conform to specifications, using knowledge of metal heat-treating.

    Importance 4.6 of 5

  2. 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.

    Importance 4.6 of 5

  3. Set and adjust speeds of reels and conveyors for prescribed time cycles to pass parts through continuous furnaces.

    Importance 4.5 of 5

  4. Start conveyors and open furnace doors to load stock, or signal crane operators to uncover soaking pits and lower ingots into them.

    Importance 4.5 of 5

  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.

    Importance 4.5 of 5

  6. Load parts into containers and place containers on conveyors to be inserted into furnaces, or insert parts into furnaces.

    Importance 4.5 of 5

  7. Remove parts from furnaces after specified times, and air dry or cool parts in water, oil brine, or other baths.

    Importance 4.4 of 5

  8. Test parts for hardness, using hardness testing equipment, or by examining and feeling samples.

    Importance 4.4 of 5

  9. Move controls to light gas burners and to adjust gas and water flow and flame temperature.

    Importance 4.3 of 5

  10. Signal forklift operators to deposit or extract containers of parts into and from furnaces and quenching rinse tanks.

    Importance 4.1 of 5

  11. Mount workpieces in fixtures, on arbors, or between centers of machines.

    Importance 4.1 of 5

  12. Reduce heat when processing is complete to allow parts to cool in furnaces or machinery.

    Importance 4.1 of 5

  13. Mount fixtures and industrial coils on machines, using hand tools.

    Importance 4.1 of 5

  14. Heat billets, bars, plates, rods, and other stock to specified temperatures preparatory to forging, rolling, or processing, using oil, gas, or electrical furnaces.

    Importance 4.1 of 5

  15. Position stock in furnaces, using tongs, chain hoists, or pry bars.

    Importance 4.0 of 5

  16. Instruct new workers in machine operation.

    Importance 4.0 of 5

  17. Repair, replace, and maintain furnace equipment as needed, using hand tools.

    Importance 3.9 of 5

  18. Clean oxides and scales from parts or fittings, using steam sprays or chemical and water baths.

    Importance 3.6 of 5

  19. Stamp heat-treatment identification marks on parts, using hammers and punches.

    Importance 3.2 of 5

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This role's score comes from Eloundou et al's 2023 task labels, weighted by O*NET importance within each O*NET-SOC code, then bridged to UK SOC 2020 through ISCO-08 (the ONS coding index) and US SOC 2010 (the BLS crosswalk). Employment and median pay come from ONS ASHE Table 14.7a, 2025 provisional, which covers employees only.

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