The Role of Argon in Welding and a Practical Guide for Gas Selection
Why Argon Is Essential as a Shielding Gas？ To understand why argon is used as a shielding gas, we must first consider the characteristics of aluminum. In ordinary air, aluminum reacts easily with oxygen to form a stable oxide film—aluminum oxide—with a melting point as high as 2050°C. This oxide film has strong adsorption properties, […]
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