Swordfish Arc Cutting Electrode
Cutting Metals Safely
Our Swordfish™ arc cutting electrode offers an alternative to exothermic (oxy-fuel/exothermic) cutting and is safer and a faster alternative to traditional oxy-acetylene, oxy-propane methods.
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This high iron oxide manual metal arc (MMA) electrode, requires no oxygen, thereby offering significant safety advantages and a more convenient, cost effective cutting method. A skilled tradesman will be able to used this electrode with only the minimum introduction and a skilled tradesman, like a welder or plater will be able to use this safely, with only the minimum introduction to the basic principles. The product is very easy and straight-forward to use and even tradesman that don't normally use oxy-acetylene, or oxy-propane cutting methods will be able to use it safely in a mater of minutes.
The electrode offers significant safety advantages over traditional oxy-acetylene/oxy propane cutting methods and will cut a wider range of materials; including steels, stainless steel, cast iron, bronze, copper alloys, and aluminum alloys.
For use underwater; as no oxygen is required, the potential explosive dangers involved with conventional underwater cutting are completely removed and the hazards to the diver are significantly reduced. (see Shell evaluation report). Also, as no oxygen is being forced through the arc, cutting into materials with concrete backing/liners is also made significantly safer and easier, as little blow back occurs. The electrode provides a very clean and precise cut; whilst at the same time is easy to use.
Graph showing the amount of electrode consumed when used for dry as compared to wet cutting
Photo shows 32mm (1 ¼”) steel plate during and after cutting
Our Swordfish™ cutting electrodes require no special equipment whatsoever; a 300-400 amp DC welding power source will do the job. The electrode is available in a 4.0mm (5/32”) diameter and it can be used in all positions and it will cut a wide range of materials; including steel, stainless steel, cast-iron, bronze and copper alloys, and aluminum and its alloys, both above and below the waterline.
These electrodes offer a more convenient and cost effective way of cutting for all general engineering, fabrication/workshops, onsite demolition sites, etc. No need to transport high pressure gas cylinders or flammable gases, which requires a license for road transportation and additional safety inspection training and no need for expensive pressure regulators and gas hoses and check valves or flash-back arrestors
The electrodes can be used for a wide range of general engineering/demolition works, such as cutting piles, piercing holes, removal of rivets and other connections and attachments common in constructional engineering etc.
All usual safe arc welding/cutting precautions must be observed. For use underwater your attention is drawn to the IMCA code of practice for safe use of electricity underwater D045. Read all general safety precautions as associated with arc welding before attempting to use this product.
Demonstration Video Clips:
Video 1 : Shows dry cutting demo using 5.0mm electrode to cut 20mm steel plate.See graphs above for comparison details between wet and dry cutting performance (please note only the 4.0mm electrode is now manufactured).
Video 2 : This video clip shows our new non-exothermic cutting electrode Swordfish in action at a recent demonstration at Subsea 7 workshops, in Aberdeen. The electrode does not require any oxygen to cut and although this footage only shows the electrode being used in air, we hope that it provides sufficient evidence of its performance. The material being cut was 20mm carbon steel plate. The welding parameters were 340amps on DC -Ve. Following this demonstration a number of offshore clients have requested further trails be undertaken underwater at a range of depths down to -90M. We will of course keep you informed as to the progress.