Argon 75
Argon 75
Typical Uses
- MIG and TIG welding of Aluminium
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Description
Is an argon/helium based mixtures and are inert, non-toxic, colourless and odourless. Supplied in high pressure metal cylinders.
Is used in GMAW and GTAW for aluminium and aluminium alloys (Argon 75 above 6mm).
Produces a hotter arc, giving the best penetration, defect free weld beads with low porosity at high production levels.
Physical Characteristics
- Appearance / Odour: Colourless and Odourless
- Relative density (Air = 1): 1.3
- Molecular weight: 30.2
- Density of gas @ 15°C, 325kPa: 1.28Kg/m³
Main hazards
- Only used approved pressure rated equipment.
- Asphyxiant in high concentrations.
- Compressed high pressure gas in cylinders.
Typical Uses
- MIG and TIG welding of Aluminium

Height includes the valve
Storage and handling
Ensure adequate ventilation for all cylinders and packs. Secure single cylinders in upright position and protect valves and manifolds from accidental damage.
- Keep cylinders and packs in a cool area away from all sources of heat.
- Close all valves when not in use.
- Ensure all regulators and other devices attached to the cylinder outlets are free from oil and grease, and able to withstand contents pressures. Check for leaks regularly.
- Do not store cylinders in an area where in an area where any leaking gas could accumulate.
- If valve is damaged, do not attempt to operate.
- If valve does not operate by hand, return the cylinder to the supplier (attach a “faulty” tag).
N.B. Only regulators, manifolds and ancillary equipment, rated for the appropriate pressure and compatible with the relevant gas, shall be connected to or downstream of these cylinders.
In case of leaks
- If cylinder or pack is suspected of leaking, evacuate personnel from the direction in which the gas is likely to flow. Stop leak if possible.
- Major leaks should only be approached with breathing apparatus.
- If possible and if safe to do so, remove leaking cylinder or pack to a safe area outdoors and allow contents to empty into atmosphere.
- Return empty cylinders and pack to supplier with a note to confirm the leak occurred
- Notify emergency services if required
Description
Is an argon/helium based mixtures and are inert, non-toxic, colourless and odourless. Supplied in high pressure metal cylinders.
Is used in GMAW and GTAW for aluminium and aluminium alloys (Argon 75 above 6mm).
Produces a hotter arc, giving the best penetration, defect free weld beads with low porosity at high production levels.
Physical Characteristics
- Appearance / Odour: Colourless and Odourless
- Relative density (Air = 1): 1.3
- Molecular weight: 30.2
- Density of gas @ 15°C, 325kPa: 1.28Kg/m³
Main hazards
- Only used approved pressure rated equipment.
- Asphyxiant in high concentrations.
- Compressed high pressure gas in cylinders.
Typical Uses
- MIG and TIG welding of Aluminium

Height includes the valve
Storage and handling
Ensure adequate ventilation for all cylinders and packs. Secure single cylinders in upright position and protect valves and manifolds from accidental damage.
- Keep cylinders and packs in a cool area away from all sources of heat.
- Close all valves when not in use.
- Ensure all regulators and other devices attached to the cylinder outlets are free from oil and grease, and able to withstand contents pressures. Check for leaks regularly.
- Do not store cylinders in an area where in an area where any leaking gas could accumulate.
- If valve is damaged, do not attempt to operate.
- If valve does not operate by hand, return the cylinder to the supplier (attach a “faulty” tag).
N.B. Only regulators, manifolds and ancillary equipment, rated for the appropriate pressure and compatible with the relevant gas, shall be connected to or downstream of these cylinders.
In case of leaks
- If cylinder or pack is suspected of leaking, evacuate personnel from the direction in which the gas is likely to flow. Stop leak if possible.
- Major leaks should only be approached with breathing apparatus.
- If possible and if safe to do so, remove leaking cylinder or pack to a safe area outdoors and allow contents to empty into atmosphere.
- Return empty cylinders and pack to supplier with a note to confirm the leak occurred
- Notify emergency services if required