More information from O*NET OnLine:

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
Layout Man
Mill Beam Fitter

Ship Fitter
Structural Steel Fitter
Tack Welder
Weld Technician

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

47-2011.00	Boilermakers
47-2171.00	Reinforcing Iron and Rebar Workers
47-2211.00	Sheet Metal Workers
47-2221.00	Structural Iron and Steel Workers
49-9044.00	Millwrights
51-2011.00	Aircraft Structure, Surfaces, Rigging, and Systems Assemblers
51-4111.00	Tool and Die Makers
51-4121.00	Welders, Cutters, Solderers, and Brazers
51-4122.00	Welding, Soldering, and Brazing Machine Setters, Operators, and Tenders
51-4192.00	Layout Workers, Metal and Plastic

Tasks

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

Advanced Machinery Repairman (Navy - Enlisted)
Advanced Steelworker (Navy - Enlisted)
Aeronautical Welder (Navy - Enlisted)
Aircraft Metals Technology (Air Force - Enlisted)
Aircraft Metals Technology Apprentice (Air Force - Enlisted)
Aircraft Metals Technology Craftsman (Air Force - Enlisted)
Aircraft Metals Technology Helper (Air Force - Enlisted)
Aircraft Metals Technology Journeyman (Air Force - Enlisted)
Aircraft Structural Maintenance (Air Force - Enlisted)
Aircraft Structural Maintenance Apprentice (Air Force - Enlisted)
Aircraft Structural Maintenance Craftsman (Air Force - Enlisted)
Aircraft Structural Maintenance Helper (Air Force - Enlisted)
Aircraft Structural Maintenance Journeyman (Air Force - Enlisted)
Aircraft Welder (Marine Corps - Enlisted)
Allied Trades Specialist (Army - Enlisted)
Allied Trades Warrant Officer (Army - Warrant Officer only)
Aviation Maintenance Technician (Coast Guard - Enlisted)
Aviation Support Equipment Technician (Navy - Enlisted)
Conversion NEC HT Hull Maintenance Technician Basic (Navy - Enlisted)
Damage Controlman (Coast Guard - Enlisted)
Hull Maintenance Technician (Navy - Enlisted)
Hull Systems Maintainer (Navy - Enlisted)
Hull Systems Technician (Navy - Enlisted)
Low Observable Aircraft Structural Maintenance (Air Force - Enlisted)
Low Observable Aircraft Structural Maintenance Apprentice (Air Force - Enlisted)

Low Observable Aircraft Structural Maintenance Craftsman (Air Force - Enlisted)
Low Observable Aircraft Structural Maintenance Helper (Air Force - Enlisted)
Low Observable Aircraft Structural Maintenance Journeyman (Air Force - Enlisted)
Machinery Repairman (Navy - Enlisted)
Machinery Repairman Apprentice (Navy - Enlisted)
Machinery Repairman Journeyman (Navy - Enlisted)
Machinist (Marine Corps - Enlisted)
Marine Safety Specialist Engineer (Coast Guard - Warrant Officer only)
Material Maintenance Specialty (Coast Guard - Warrant Officer only)
Metal Worker (Army - Enlisted)
Metal Worker (Marine Corps - Enlisted)
NAMTS Shipfitter (Navy - Enlisted)
NAMTS Watertight Closure Maintenance Technician (Navy - Enlisted)
Ship Survivability Systems Maintainer (Navy - Enlisted)
Ship Survivability Systems Technician (Navy - Enlisted)
Steel Worker (Navy - Enlisted)
Steelworker (Navy - Enlisted)
Structural (Air Force - Enlisted)
Structural Apprentice (Air Force - Enlisted)
Structural Craftsman (Air Force - Enlisted)
Structural Helper (Air Force - Enlisted)
Structural Journeyman (Air Force - Enlisted)
Welder (Army - Enlisted)
Welding Supervisor (Navy - Enlisted)

Apprenticeship Crosswalk Titles

Fabricator-Assembler Metal Prod
Fitter (Mach Shop)
Fitter I (Any Ind)

Former, Hand (Any Ind)
Ship Propeller Finisher
Structural Metal Fabricator and Fitter

DOT Crosswalk Titles

Assembler, Ground Support Equipment
Fabricator-Assembler Metal Products
Fitter
Fitter I

Former, Hand
Metal Fabricator
Metal-Fabricator Apprentice
Ship Propeller Finisher