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Structural Metal Fabricators and Fitters - 51-2041.00

O*NET-SOC Description

Fabricate, position, align, and fit parts of structural metal products.

Sample of Reported Job Titles

  • Fabricator
  • Fitter
  • Fitter, Welder
  • Layout Man
  • Mill Beam Fitter
  • Ship Fitter
  • Structural Steel Fitter
  • Tack Welder
  • Weld Technician
  • Welder-Fabricator

SOC Occupation Groups

51-0000 Production Occupations
51-2000 Assemblers and Fabricators
51-2040 Structural Metal Fabricators and Fitters
51-2041.00 Structural Metal Fabricators and Fitters

Related Occupations


  • Align and fit parts according to specifications, using jacks, turnbuckles, wedges, drift pins, pry bars, and hammers.
  • Design and construct templates and fixtures, using hand tools.
  • Direct welders to build up low spots or short pieces with weld.
  • Erect ladders and scaffolding to fit together large assemblies.
  • Hammer, chip, and grind workpieces to cut, bend, and straighten metal.
  • Heat-treat parts, using acetylene torches.
  • Install boilers, containers, and other structures.
  • Lay out and examine metal stock or workpieces to be processed to ensure that specifications are met.
  • Lift or move materials and finished products, using large cranes.
  • Locate and mark workpiece bending and cutting lines, allowing for stock thickness, machine and welding shrinkage, and other component specifications.
  • Mark reference points onto floors or face blocks and transpose them to workpieces, using measuring devices, squares, chalk, and soapstone.
  • Move parts into position, manually or with hoists or cranes.
  • Position or tighten braces, jacks, clamps, ropes, or bolt straps, or bolt parts in position for welding or riveting.
  • Position, align, fit, and weld parts to form complete units or subunits, following blueprints and layout specifications, and using jigs, welding torches, and hand tools.
  • Preheat workpieces to make them malleable, using hand torches or furnaces.
  • Remove high spots and cut bevels, using hand files, portable grinders, and cutting torches.
  • Set up and operate fabricating machines, such as brakes, rolls, shears, flame cutters, grinders, and drill presses, to bend, cut, form, punch, drill, or otherwise form and assemble metal components.
  • Set up face blocks, jigs, and fixtures.
  • Smooth workpiece edges and fix taps, tubes, and valves.
  • Straighten warped or bent parts, using sledges, hand torches, straightening presses, or bulldozers.
  • Study engineering drawings and blueprints to determine materials requirements and task sequences.
  • Tack-weld fitted parts together.
  • Verify conformance of workpieces to specifications, using squares, rulers, and measuring tapes.

Detailed Work Activities

  • Align parts or workpieces to ensure proper assembly.
  • Assemble electromechanical or hydraulic systems.
  • Assemble temporary equipment or structures.
  • Construct patterns, templates, or other work aids.
  • Design templates or patterns.
  • Direct operational or production activities.
  • Draw guide lines or markings on materials or workpieces using patterns or other references.
  • Heat material or workpieces to prepare for or complete production.
  • Inspect metal, plastic, or composite products.
  • Lay out parts to prepare for assembly.
  • Lift materials or workpieces using cranes or other lifting equipment.
  • Measure dimensions of completed products or workpieces to verify conformance to specifications.
  • Mount attachments or tools onto production equipment.
  • Mount materials or workpieces onto production equipment.
  • Operate cutting equipment.
  • Operate grinding equipment.
  • Operate welding equipment.
  • Read work orders or other instructions to determine product specifications or materials requirements.
  • Reshape metal workpieces to established specifications.
  • Review blueprints or other instructions to determine operational methods or sequences.
  • Shape metal workpieces with hammers or other small hand tools.
  • Smooth metal surfaces or edges.

Military Crosswalk Titles

  • Aircraft Maintenance Support Equipment Hydraulic/Pneumatic/Structures Mechanic (Marine Corps - Enlisted)
  • Allied Trades Specialist (Army - Enlisted)
  • Aviation Support Equipmentman (Navy - Enlisted)
  • Hull Maintenance Technician (Navy - Enlisted)
  • Hull Maintenance Technician Basic (Navy - Enlisted)
  • Machinist (Marine Corps - Enlisted)
  • Metal Worker (Army - Enlisted)
  • Metal Worker (Marine Corps - Enlisted)
  • NAMTS Shipfitter (Navy - Enlisted)
  • NAMTS Watertight Closure Maintenance Technician (Navy - Enlisted)
  • Steelworker (Navy - Enlisted)
  • Welder (Army - Enlisted)
  • Welding Supervisor (Navy - Enlisted)

Apprenticeship Crosswalk Titles

  • Fabricator-Assembler, Metal Products
  • Fitter (Machine Shop)
  • Fitter I (Any Industry)
  • Former, Hand (Any Industry)
  • Metal Fabricator
  • Plate Shop Operator
  • Ship Propeller Finisher

DOT Crosswalk Titles

  • Assembler, Ground Support Equipment
  • Fabricator-Assembler Metal Products
  • Fitter
  • Fitter I
  • Former, Hand
  • Metal Fabricator
  • Metal-Fabricator Apprentice
  • Ship Propeller Finisher