Iron Thermite steel, larger
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Thermite steel, larger.
After I got my technique down, I started practicing thermite casting with a standard batch of about a pound of powder. These pieces are examples of the output of those reactions, cast into different kinds of graphite molds. Here's a picture of the mold that makes the cylinders:

Here's what it looks like just after opening it:

See below for what I was practicing for: An iron link in my multi-metal chain.

Source: Theodore Gray
Contributor: Theodore Gray
Acquired: 27 July, 2003
Price: Donated
Size: 3"
Purity: >90%