Metal Casting (Fences and Railings) for TOVP

This is the first sample of the iron casting of the grills, fences and railings for the TOVP. As reported in a previous article, all the TOVP metal casting is being done in Kolkata. In this old Kolkata metal foundry they prepare hundreds of molds during a three day period, and then cast the metal
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Metal Casting

Last week in our GRC Factory we experimented with metal casting into a sand mold. We made our fresh Copper based alloy with Nickel, Silicone, Bismuth, Zinc and Aluminum. This alloy creates a non- leaded yellow brass. Our experimental melting furnace runs on regular kitchen gas and it has a maximum temperature of 1,600 °C / 2,912 °F.
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