High Purity Argon Gas
Argon is a rare gas widely used in industry. It is very inert in nature and can neither burn nor support combustion. In the sectors of aircraft manufacturing, shipbuilding, atomic energy industry and machinery industry, argon is often used as the welding protection gas when welding special metals, such as aluminum, magnesium, copper and their alloys and stainless steel, to prevent the welding parts from being oxidized or nitrided by air.
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Product Introduction
Argon is a rare gas widely used in industry. It is very inert in nature and can neither burn nor support combustion. In the sectors of aircraft manufacturing, shipbuilding, atomic energy industry and machinery industry, argon is often used as the welding protection gas when welding special metals, such as aluminum, magnesium, copper and their alloys and stainless steel, to prevent the welding parts from being oxidized or nitrided by air.
① Aluminum industry. It is used to replace air or nitrogen and generate inert atmosphere in the manufacturing process of aluminum; Helps remove unwanted soluble gases during degassing; And removing dissolved hydrogen and other particles in molten aluminum.
② Steelmaking. It is used to replace gas or steam and prevent oxidation in the process flow; It is used to stir molten steel to maintain constant temperature and the same composition; Helps remove unwanted soluble gases during degassing; As a carrier gas, argon can be used to determine the composition of the sample by chromatography; Argon can also be used in the argon oxygen decarburization (AOD) process used in stainless steel refining to remove carbon monoxide and reduce the loss of chromium.
③ Metal processing. Argon is used as inert shielding gas in welding; Provide oxygen free and nitrogen free protection during annealing and rolling of metals and alloys; And for flushing molten metal to eliminate air holes in castings.
④ Welding shielding gas. Argon, as a shielding gas in the welding process, can avoid the burning loss of alloy elements and other welding defects caused thereby, so that the metallurgical reaction in the welding process becomes simple and easy to control, to ensure the high quality of welding. [3] Through the laser remelting experiment of HT250 gray cast iron, the mechanism of porosity formation in remelting zone under different atmosphere protection was studied. The results show that the pores in remelting zone are precipitation pores under argon protection; Under open condition, the pores in remelting zone are precipitation pores and reactive pores.
⑤ Other uses. Electronics, lighting, argon knife, etc.
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