The main component of magnesium ingots is metallic magnesium (Mg), which is usually of high purity. Depending on the grade and application requirements, the purity range of magnesium ingots is generally between 99.8% and 99.99%. In addition to magnesium, magnesium ingots may also contain small amounts of impurity elements, and the type and content of these impurity elements can affect the performance and application of magnesium ingots.
Main components and common impurities of magnesium ingots
Main components:
Magnesium (Mg): usually accounting for over 99.8%, it is the core component of magnesium ingots.
Common impurity elements:
Aluminum (Al): may come from pollution in raw materials or production processes.
Iron (Fe): It can affect the corrosion resistance of magnesium ingots.
Silicon (Si): may come from raw materials or production equipment.
Copper (Cu): present in trace amounts, may affect the conductivity of magnesium ingots.
Nickel (Ni): In trace amounts, it may affect the corrosion resistance of magnesium ingots.
Manganese (Mn): Sometimes added as an additive to improve the corrosion resistance of magnesium ingots.
Calcium (Ca): May come from contamination in raw materials or production processes.