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Magnesium Silicon Master Alloy (Mg-Si Alloy)

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Magnesium-silicon master alloy refers to an alloy formed by melting silicon and magnesium. It is a good spheroidizing agent and has strong deoxidizing and desulfurizing effects. Heeger Materials provides high-quality Magnesium Calcium Master Alloy in the shape of Waffle Ingot, rod, and shot at a competitive price.

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Please contact us if you need customized services. We will contact you with the price and availability in 24 hours.

Data sheet

MaterialsMg-20Si, Mg-50Si, Customized

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Magnesium alloys are the lightest structural and hence suitable for application within the automotive industry, which has increased attention to vehicle weight and fuel economy. Silicon reduces the melting temperature without causing brittleness, increases fluidity, and reduces hot tearing. 

Magnesium Silicon Master Alloy (Mg-Si Alloy) Specification



Content of Si










Magnesium Silicon Master Alloy (Mg-Si Alloy) Application

Silicon ranks second to Copper in the importance of Magnesium Casting Alloys. Silicon reduces the melting temperature without causing brittleness, increases fluidity, and reduces hot tearing. 

Mg-Si Master Alloy Product Line & Custom Capabilities

In addition to the master alloys presented herein, we produce other precision alloying additives. For free literature and more information, request specific bulletins.

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Standard Forms

   Waffle Ingot                    Notch-bar Ingot         Cut Waffle                      Shot                   Bagged Shot                      

Mg-Si Master Alloy Packaging&Shipping

Our master alloys are packaged in steel or fiber drums on pallets, wood or cardboard pallet boxes, and stretch-wrapped on pallets. Most items are available from stock for prompt shipment.

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