our services
Fabrication Services
Sigma Heavy Engineering’s fabrication services bring innovative design and manufacturing excellence to life through skilful metalworking. Our state-of-the-art facilities and experienced engineers work together to turn complex designs into durable, high-performance structures that meet the exacting standards of industries like aerospace, renewable energy, and heavy infrastructure.
– Precision Engineering for Advanced Applications
Sigma’s machining division is dedicated to providing high-precision parts that support demanding applications in sectors like aerospace, automation, and infrastructure. Our facilities are equipped with cutting-edge CNC (Computer Numerical Control) machinery, ensuring components meet stringent dimensional accuracy requirements and rigorous performance standards.
Engineered to Your Needs
At Sigma Heavy Engineering, we take pride in offering customised metal solutions designed to meet the unique requirements of diverse industries. With over four decades of expertise, our ability to work with a variety of metals ensures we deliver reliable, high-performance components for projects of any scale and complexity.
Fabrication Capabilities
Structural Metal Fabrication
We create a wide range of metal structures tailored to various industries. Our process is optimised for scalability, ensuring we can accommodate both small custom projects and large-scale industrial requirements.
Our in-house team works with mild steel, stainless steel, aluminium, copper, and titanium, ensuring the right material is chosen for each project’s specific requirements.
Welding Mastery
We use advanced welding techniques, including MIG, TIG, and robotic welding systems, to provide strong and precise joins. Our skilled welders are certified to meet international standards, ensuring quality and consistency across each component.
Customised Design Support
Sigma’s engineering team collaborates closely with clients to understand project needs, offering expertise in structural analysis, design optimisation, and material selection.
Our fabrication services exemplify Sigma’s commitment to precision, ensuring every part aligns with industry-specific regulations, durability, and functionality.
Machining Capabilities
CNC Machining
Our CNC equipment ensures precision cutting, drilling, and finishing of parts to exact client specifications. This automated, computer-controlled process guarantees high repeatability and tight tolerances, making it ideal for industries where precision is paramount.
Our multi-axis machines allow complex geometries to be created in a single setup, which improves efficiency and reduces turnaround time for intricate parts.
Large Component Handling
We can handle workpieces up to 6m x 6m, offering support for sizeable components required in heavy industries, such as thermal plants and manufacturing.
Secondary Processing
Alongside machining, we provide additional finishing services like grinding, demurring, and polishing to enhance the surface quality and performance of each component.
Our machining services emphasise accuracy, reliability, and efficiency, making Sigma a trusted partner for high-stakes projects that require precision-engineered parts.
Our Expertise with Metals
Mild Steel
Known for its versatility and affordability, mild steel is a preferred choice for industries requiring durable yet cost-effective solutions. We use mild steel for:
- Heavy fabrication projects.
- Structural applications in construction and machinery.
- Components that demand strength and weldability without compromising flexibility.
Stainless Steel
Renowned for its resistance to corrosion and sleek finish, stainless steel is ideal for environments exposed to moisture or chemicals. Our stainless steel solutions include:
- Precision-fabricated parts for food processing, healthcare, and energy sectors.
- Structural components for high-performance systems requiring long-lasting durability.
Copper
A highly conductive and malleable metal, copper is essential in industries where electrical and thermal performance is paramount. We specialise in copper for:
- Electrical transformers and wiring solutions.
- Heat exchangers and components for HVAC systems.
- High-endurance parts for renewable energy systems.
Aluminium
Lightweight yet strong, aluminium is widely used in industries where weight reduction without sacrificing strength is critical. Our aluminium services include:
- Custom fabrication for aerospace, automotive, and transport applications.
- Corrosion-resistant components for marine and outdoor environments.
- Solutions for industries requiring heat dissipation and conductivity.
Titanium
Known for its unmatched strength-to-weight ratio and exceptional resistance to extreme conditions, titanium is the metal of choice for advanced engineering needs. We work with titanium to deliver:
- Precision components for aerospace, defense, and medical industries.
- Corrosion-proof parts for marine and chemical processing applications.
- High-temperature-resistant solutions for power generation and energy sectors.