Cold Cutting (Abrasive)

An environmentally sound solution for cutting steel, composites and other surface materials, cold cutting is a cost effective and safer alternative to hot cutting, especially when there is the presence of chemical vapors or degassing.

No Sparks. No Heat. No Degassing. Just Safe, Reliable Cutting.

We deliver safe, precise cold‑cutting solutions for high‑risk industrial environments, including mine sites, petrochemical plants, refineries, oil and gas facilities, fuel storage tanks and hazardous installations. Our ultra‑high‑pressure (UHP) cold‑cutting methods eliminate the risks associated with hot work, improving site safety and significantly reducing project downtime.

Using UHP water‑jet cold cutting, we remove heat, sparks and ignition sources from the process—eliminating the need for degassing when cutting tanks, pipelines and assets that have contained flammable products. This allows surfaces to be immediately ready for rewelding, accelerating shutdown and maintenance programs.

Hitech deploys remotely operated UHP water‑jetting systems, enabling operators to work at a safe distance while achieving exceptional cutting accuracy. A precisely controlled abrasive‑water stream delivers powerful, vibration‑free cutting of structural steel, reinforced concrete, tanks and vessels, without introducing heat or mechanical stress.

Our preferred Water Abrasive Suspension (WAS) cold‑cutting process combines high‑energy water with sharp‑edged garnet abrasive, delivering superior cutting consistency in demanding conditions. WAS is proven to cut high‑tensile steel up to 300 mm thick and reinforced concrete up to one metre, while operating up to 2.5 times faster than injection cutting—using less abrasive, reducing waste and lowering overall project costs.

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Benefits

No Heat, No Sparks, No Ignition Risk

Cold cutting eliminates all heat‑affected zones, meaning no sparks, no flame, and no combustion risk. This makes it ideal for environments containing flammable gases, fuels, chemicals, or residues—dramatically improving safety and reducing the need for extensive hot‑work permits.

Eliminates the Need for Degassing

Because the process is completely spark‑free, tanks and pipelines often do not require full degassing, significantly reducing preparation time, labour costs, and overall project duration.

Safe for Explosive or Hazardous Environments

Cold cutting is the preferred cutting method in petrochemical plants, oil fields, mines, gas facilities, and tank decommissioning projects, where traditional cutting methods present unacceptable risks. It allows work to continue confidently in high‑risk zones.

High Precision on Thick Steel and Reinforced Concrete

Cold cutting delivers exceptional accuracy, even on extreme materials such as:

High‑tensile steel up to 30 cm thick
Reinforced concrete up to 1 metre thick
This results in cleaner cuts, higher‑quality finishes, and reduced need for secondary processing.

Faster and More Efficient Than Traditional Methods

The Water Abrasive Suspension (WAS) technique is 2.5 times faster and uses less abrasive than Injection Water Cutting—accelerating project timelines and reducing operational costs.

Suitable for Wet, Dirty, or Constrained Sites

Using water as the cutting force means the process naturally suppresses dust, minimises debris spread, and performs reliably in harsh or confined environments such as:

Mines
Underground tunnels
Offshore platforms
Fuel storage facilities
Chemical processing plants

Remote Operation for Maximum Safety

Hitech’s cutting systems are remotely controlled, allowing operators to work from a safe distance. This reduces exposure to hazardous environments and improves overall site safety.