Argon, liquid Ar
Argon is produced using the residual gases of the ammonia plant.
Application.
Argon is used as a shielding medium in welding, cutting and melting active and rare metals and their alloys, aluminium and aluminium and magnesium alloys, stainless chrome-nickel heat resistant alloys in different alloy steels as well as for refining metals in metallurgy .
Technical Requirements
| |
Top grade |
1st grade |
| Argon content, by volume, %, min. |
99.993 |
99.987 |
| Oxygen content, by volume, %, max. |
0.0007 |
0.002 |
| Nitrogen content, by volume, %, max. |
0.005 |
0.01 |
| Steam content, by volume, %, max. equal to steam saturation temperature of argon at 101.3 KPa (760 mm Hg), oC , max. |
0.0009
minus 61 |
0.001
minus 58 |
| Total content of carbon containing compounds, by volume, in terms of CO2, %, max. |
0.0005 |
0.001 |
Packing and Transportation
Liquid argon is delivered in 36 t special rail tanks with powder, vacuum-powder and multiply vacuum insulation, road tank trucks.
Liquid argon can be transported by road tank trucks, 2.5 t or 7.5 t and in buyers’ cylinders, 6.2 m 3.
Argon may be transported by railway and road trucks in accordance with the rules of goods carriage applicable for the relevant mode of transport.
Guaranteed storage life:
18 months from the manufacturing date.
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