Heavy Industrial Fabrication
10 May 24

At Riaan Building Solutions, we understand the power and precision required to forge the backbone of the industry. Our 35 years of experience encompass not only construction but also a deep appreciation for the intricate world of heavy industrial fabrication. Today, we'll delve into this fascinating field and explore what it entails.

What is Heavy Industrial Fabrication?

Heavy industrial fabrication is the art and science of creating large, complex metal structures and components for use in a wide range of industrial applications. These applications are the foundation of our modern world, supporting everything from power plants and refineries to factories and bridges.

The Key Processes of Heavy Industrial Fabrication

1. Cutting

Plasma Cutting : This process utilizes a superheated stream of ionized gas (plasma) to precisely cut through conductive metals. Plasma cutters offer clean, high-speed cuts on a variety of metal thicknesses, making them ideal for cutting intricate shapes from steel plates and beams.

Oxyfuel Cutting : This traditional method uses a combination of oxygen and a fuel gas (like acetylene) to create a high-temperature flame that melts and cuts through steel. While less precise than plasma cutting, oxyfuel cutting remains a cost-effective option for thicker metals.

Laser Cutting: For exceptionally clean cuts and intricate designs, laser cutting utilizes a focused beam of high-powered light to melt and vaporize metal. This process offers superior precision and minimal heat distortion, making it ideal for applications requiring tight tolerances.

Waterjet Cutting : An abrasive waterjet creates a powerful, high-pressure stream of water mixed with an abrasive garnet material. This process can cut through a wide variety of materials, including not just metals but also stone, concrete, and even thick composites.

2. Forming and Bending

Press Brakes : These powerful machines utilize a punch-and-die system to bend sheet metal into precise angles and shapes. Modern press brakes are often computer-controlled (CNC) for exceptional accuracy and repeatability.

Plate Rolling : Thick metal plates are formed into curved sections using large rollers that bend the plate progressively along its length. Plate rolling machines can handle a wide range of plate thicknesses and widths.

Section Bending : Structural steel sections, like beams and channels, are bent using specialized machinery to create curved components for specific applications.

3. Welding and Joining:

Arc Welding : This versatile electric welding process uses an electric arc to create intense heat that melts the edges of the metal pieces, fusing them together upon cooling. Arc welding encompasses various techniques like Shielded Metal Arc Welding (SMAW) or Flux-cored Arc Welding (FCAW), each with its own advantages for specific applications.

Gas Tungsten Arc Welding (GTAW): Also known as TIG welding, this process uses a non-consumable tungsten electrode and inert gas to create a clean and precise weld. GTAW is ideal for welding thin materials or dissimilar metals.

Submerged Arc Welding (SAW) : This high-production welding technique utilizes a continuously fed consumable electrode and a submerged flux to create deep, high-quality welds. SAW is often used for automated welding applications on thick plates.

4. Machining:

CNC Machining : Computer Numerical Control (CNC) machines use computer-generated instructions to precisely control cutting tools, shaping metal components into complex three-dimensional geometries. CNC machining allows for exceptional precision and repeatability, crucial for components requiring tight tolerances and functionality.

Drilling and Tapping : Holes of various sizes are drilled into metal components using drill presses or portable drilling machines. Tapping creates internal threads within these holes to allow for the secure fastening of other components.

5. Assembly and Quality Control:

Assembly : The fabricated components are meticulously assembled to form the final structure. Skilled fitters and welders ensure proper alignment and secure all connections.

Quality Control : Rigorous quality control measures are implemented throughout the entire fabrication process. This may involve visual inspections, dimensional checks, and non-destructive testing (NDT) techniques like X-ray or ultrasound to ensure structural integrity and conformance to design specifications.

Riaan Building Solutions: Your Partner in Industrial Excellence

While Riaan Building Solutions may not be directly involved in the intricate world of heavy industrial fabrication, we understand its critical role in the construction industry. Many of the PEB (pre-engineered building) projects we deliver rely on high-quality, pre-fabricated components. Our strong network of trusted partners in the heavy industrial fabrication industry allows us to ensure our clients receive the best possible PEB solutions.