Selenium Metal
Chemical Formula | Available Form | Description of the Product |
Se – 99.9% | Powder, Cored wire | Selenium improves machinability of steel, transverse ductility and toughness are improved. When selenium is added in equal proportion to the steel’s sulfur content 0.05 -0.1% Selenium reduce rate of nitrogen absorption in liquid steel, giving better cold forming properties. As little as 0.05-0.10% is effective in carbon and low alloy steels, but about 0.30% is needed in high alloy and stainless steels. The “internal lubricant” properties of selenium are retained in steels even when they are heat treated up to at least 1300 MPa (200 ksi). |
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