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Gas Information

The following list has been constructed to assist you in the correct selection of each gas we offer, and what each type of gas is used for.

Industrial Gases


Oxygen is commonly used in Oxy/fuel processes to increase the flame temperature and facilitate combustion. In Oxy/fuel welding, cutting, and brazing, Oxygen is combined with a fuel source like Acetylene or LPG (Liquefied Petroleum Gas) to generate a high-temperature flame for various applications.

Some of the processes and applications in which Oxygen is utilized include Oxy/Acetylene welding, flame cleaning, Oxy cutting, flame heating, flame hardening and water treatment.


Argon is commonly used as an inert shielding gas in welding processes, such as Gas Metal Arc Welding (GMAW) and Gas Tungsten Arc Welding (GTAW).

It is used to protect the weld area from atmospheric gases, like Oxygen, Nitrogen, and water vapor, which can negatively affect the weld quality or make the welding process more challenging.

Argon is also utilized for creating inert atmospheres in various applications such as filler gas in incandescent and neon lamps, where its inertness helps prolong the lifespan of the filament.

Additionally, in plasma cutting, Argon is often mixed with Hydrogen to create a stable arc for precise cutting. Argon finds applications in gas chromatography, where it acts as the carrier gas to transport samples through the chromatographic column and spectrometry techniques to create the necessary environment for accurate analysis.

OneGas 5/2 & OneGas16/3 (Argon/CO2/Oxygen Mixture)

OneGas 5/2 is a gas mixture composed of 5% Carbon Dioxide, 2% Oxygen in Argon. It is specifically designed for the welding of mild, carbon, and low alloy steel. This gas mixture promotes the spray transfer of welding materials, which enhances productivity during the welding process. This Argon/CO2/Oxygen mixture combines the beneficial features of pure Argon with the small percentage of CO2, which improves penetration and arc stability. As a result, the welds produced using this mixture are cleaner. It is suitable for a welding thickness range of 1-10mm.

OneGas 16/3 is a shielding gas mixture composed of 16% Carbon Dioxide, 3% Oxygen in Argon. It is specifically designed as a general-purpose gas mixture for MIG welding applications. This mixture is suitable for both short arc and spray transfer modes and is compatible with solid wires used on mild steels. The presence of CO2 allows for increased weld penetration, while the Oxygen enhances arc stability, resulting in cleaner and more precise welds. It is recommended for welding thicknesses ranging from 2-22mm.

OneGas 80/20 & 90/10 (Argon/CO2 Mixtures)

OneGas 80/20 is a gas mixture composed of 20% Carbon Dioxide and 80% Argon. It is specifically designed for welding mild, carbon, and alloy steels. This gas mixture is also commonly used as a shielding gas with flux cored wires. The higher percentage of Carbon Dioxide in this mixture provides increased weld penetration, making it ideal for thicker cuts of steel. The recommended welding thickness range for this gas mixture is 4-28mm.

OneGas 90/10 is a shielding gas mixture composed of 16% Carbon Dioxide, 3% Oxygen in Argon. It is specifically designed as a general-purpose gas mixture for MIG welding applications. This mixture is suitable for both short arc and spray transfer modes and is compatible with solid wires used on mild steels. The presence of CO2 allows for increased weld penetration, while the Oxygen enhances arc stability, resulting in cleaner and more precise welds. It is recommended for welding thicknesses ranging from 2-22mm.

Industrial Nitrogen

Nitrogen is commonly used as a purge gas in welding stainless steel tubing. Nitrogen acts as a safeguard to prevent flammable substances from coming into contact with oxygen and potentially causing combustion. In addition to welding, Nitrogen’s inert properties make it a reliable choice for creating controlled atmospheres and ensuring safety in various processes in industries such as manufacturing, food packaging, plasma cutting and heat treating processes, purging and pipeline testing, calibrate and pressure testing gauges, metal casting and refining processes to remove impurities and gases from molten metals and also plastic forming processes.

Carbon Dioxide

Carbon Dioxide (CO2) is commonly used for MIG welding of carbon and alloy steel, but it can also be used in combination with stainless steel and gas shielding flux cored wires.

Apart from welding, Carbon Dioxide has a range of applications. It is used in the beverage industry for carbonation, in the conservation of liquids, in agriculture for enhancing plant growth, in chemical manufacturing, and in the production of paints, varnishes, and foam rubber. Its versatility and availability make it a widely used gas in various Industrial industries.

SS 98 & SS 02

SS 98 is a mixture of 2% Carbon Dioxide and 98% Argon. This low oxidizing mix is suitable for MIG welding in the short circuit, pulsed modes, or spray on all stainless and duplex materials within a welding thickness range of 3-10mm. To select the appropriate filler metal, it is advised to identify the specific type of stainless steel being welded. Many commonly used alloys in stainless steel welding are specifically designed to enhance the fluidity of the weld puddle. The most frequently encountered stainless steel base metals include 304 and 316, while 309 and 316 are among the most commonly utilized welding wires for stainless steel.

SS 02 is a gas mixture composed of 2% Oxygen and 98% Argon. This mixture has a medium active gas content, making it suitable for MIG welding of stainless and duplex steels. It can also be used for GMAW (Gas Metal Arc Welding) of most high alloy and austenitic stainless steel, covering a range of material thickness. The recommended welding thickness range for the OneGas SS02 is 1-3mm.


Acetylene is a colorless and highly flammable gas, it is a strong, safe, and easy-to-use gas. The heating qualities of Acetylene are particularly advantageous for applications such as thermal spraying, brazing, gouging, and welding. It is also used in atomic absorption flame spectrometers and as an air gas blend.

In Acetylene/Oxygen gas welding and cutting it is renowned for its high melting point, fast preheating and piercing times in localized cutting. Acetylene/Oxygen flame can burn at temperatures as high as 3,500 °C, making it suitable for various applications.

The optimal ratio of Oxygen to Acetylene for this process is 1.2:1, ensuring efficient combustion and maximum flame temperature, in comparison to Oxygen/LPG cutting which requires a higher ratio of 4.3:1, this makes the Acetylene/Oxygen combination more efficient.

LPG (Liquefied Petroleum Gas)

Liquefied Petroleum Gas (LPG) is a flammable gas which is non-toxic and colourless. It is intentionally odourised with a special chemical agent so that it is easy to detect a leak.

15kg Cylinder - Used for fueling Forklifts.

45kg Cylinder - Used for Oxy/LPG Cutting and running industrial heaters, fans or blowers.


Hospitality Gases

Food Grade Argon

Food Grade Argon is mainly used as a preservation Fsupplement gas within the hospitality industry.

Food Grade Carbon Dioxide

Food Grade Carbon Dioxide (CO2) plays a crucial role in the food industry, specifically in preserving the quality of beverages and other products. Its primary purpose is to maintain the freshness and visual appeal of these products. It is used at various stages of production, such as carbonating beverages, preserving wine and fruit juices, preventing oxidation in beer products, and aiding in cooling and freezing processes. Food Grade CO2 is also safe to handle, as it is non-flammable, odorless, colorless, and non-toxic.

Food Grade Nitrogen

Food Grade Nitrogen gas is extensively utilized in various food preservation applications. It is commonly used for chilling and freezing, controlled atmosphere storage, and even fumigation of grains. Nitrogen gas helps create a protective atmosphere, preventing spoilage and extending the shelf-life of food products. It is used for processes such as blanketing (to prevent oxygen exposure), modified atmosphere packaging (MAP), sparging (to remove unwanted gases), food freezing and chilling, and grain fumigation. When combined with Carbon Dioxide and Oxygen, Nitrogen gas is particularly effective in modified atmosphere packaging (MAP) applications, further enhancing food preservation capabilities.

Beermixes 30 & 40 & 55

Beer Mix 30 is a versatile mixture that is commonly used for dispensing different types of beer, including Guinness and heavy beers. The blend of Carbon Dioxide and Nitrogen in a 30/70% ratio helps maintain the balance and quality of the beer, as well as ensuring proper carbonation levels.
Using this specific gas mix is beneficial for slow moving bulk beers, as it helps prevent wastage issues. The Carbon Dioxide part of the mixture helps maintain the original volumes of CO2 in the beer, which affects its taste and appearance. On the other hand, the Nitrogen component provides the necessary pressure to effectively dispense the beer.

Beer Mix 40 is another commonly used gas mixture for dispensing various types of beer, particularly draught beers. This blend consists of a 40/60% ratio of Carbon Dioxide and Nitrogen, which helps address wastage issues that can occur with slow moving bulk beers.
As with other beer mixes, the "as brewed" CO2 content in all beers plays a significant role in determining their taste and appearance. Beer Mix 40 ensures that the beer maintains its intended balance. The Carbon Dioxide component helps maintain the original CO2 volumes, while the Nitrogen part provides the necessary pressure for effective dispensing.

Beer Mix 55 is a Carbon Dioxide and Nitrogen mixture used for dispensing most beer types, including some stout beers. Beer Mix 55 aims to eliminate wastage issues associated with slow-moving bulk beers.
All beers have an "as brewed" CO2 content, which plays a role in their taste and appearance. The brewer selects this level, and the correct gas mix, such as Beer Mix 55, helps maintain the balance of the beer. The CO2 component assists in maintaining the as brewed volumes, while the Nitrogen component provides the necessary pressure for dispensing.




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