Welding & Fabrication
With a 60 ton rigging and lifting capacity, Unico Mechanical offers heavy welding and fabrication services to meet the most large-scale requirements. We offer X-ray certified welding, and can work with material up to 6″ thick for Welding operations.
With a wide range of welding certifications across many industry standards, from MIL-SPEC, ABS, ASME, AWS, to AISC, UNICO Mechanical conducts welding fabrication and repairs on a wide variety of parts including piping, structural beams, pressure vessels, heat exchangers, pump bases, and platforms to name a few.
UNICO has the ability to weld dissimilar metals, seam welding, hard face, narrow groove, and strip pieces. Some of the metals that we work with include aluminum, cast iron, stainless steel, and copper, as well as most alloys such as Hastelloy, Monel, and Titanium. We can also provide a variety of additional services besides the actual welding of your parts: research and development, prototyping, engineering, and assembly.
Heavy Welding & Fabrication Highlights
General Capabilities
- Contract
- Production
- Large Parts
- Weld Repair
- Weld Overlays
- Hardfacing
- Pressure Vessels
Arc/Resistance Welding Process
- FCAW (Flux Core Arc Welding) – This process uses similar equipment as GMAW but in place of standard solid wire uses wire consisting of a steel electrode surrounding a powder fill material.
- GMAW (Gas Metal Arc Welding) – Also known as metal inert gas or MIG welding.
- GTAW (Gas Tungsten Arc Welding) – Also known as Tungsten Inert Gas (TIG) welding. This process uses a nonconsumable tungsten electrode, an inert gas and a separate filler material. This process is sometimes mistakenly referred to as Heliarc welding.
- MIG – Metal Inert Gas welding, also referred to as Gas Metal Arc Welding.
- Orbital – Also known as Tube Arc Welding, this process is used for the circumferential welding of tubes, pipes and round stock.
- SMAW (Shielded Metal Arc Welding) – Also known as Manual Metal Arc Welding or Stick welding. This process uses a consumable electrode rod, which as the filler material, is covered in flux and protects the weld area from oxidation and contamination.
- Spray – Spray welding is a process where weld material is sprayed onto a workpiece. This process can be used to apply wear and heat resistancecoatings and to build up worn areas.
- Submerged Arc – Submerged Arc Welding (SAW) is a welding process in which the arc is struck beneath a layer of flux which increases arc quality and blocks atmospheric contaminants.
- TIG – Tungsten Inert Gas welding. Also referred to as Gas Tungsten Arc Welding.
Material
- Aluminum
- Cast Iron
- Copper
- Exotic Alloys
- Hastelloy®
- Metal
- Monel®
- Nickel
- Stainless Steel
- Titanium
- Carbon Steel
Welding Operations
- Free Hand on material Up to 6″ Thick
Additional Services
- Assemblies
- Engineering
- On-Site/ Field/ Mobile
- Prototype
- Research and Development
- Repair Work
- Replacement Parts
- Overlays
Intended Application
- Pressure Vessels
- Cladding/Overlay
- Dissimilar Metals
- Piping
- Hard Face
- Precision Assembly
- Seam Welded Tube
- Structural
- Strip
- Repairs
- Tubular Frame
Industry Focus
- Power Generation
- Refineries
- Municipalities
- Ship Repair
- Waterfront Repair
- Water Treatment
- Manufacturing
- Aerospace
- Military
- Agricultural
- Pulp & Paper
- Medical
- Construction
- Roofing
Certification
- American Welding Society (AWS)
- National Board of Pressure Vessels
- ASME Section 8