Casting “mystery” metal (Fine Silver) with Argentium and Coin Silver, my version of Sterling (95%) 

I had started putting together a how video on electro-etching and realized I had a lot of scrap and casting grain (over 17 ounces worth), but no ingots and no rods to make sheet and wire from. So in pre-winter weather I decide to cast outside. Which is a big mistake when the weather is barely above freezing because you can’t keep the mould hot enough to do a decent pour but I managed to get 4 decent ingots, one not half bad and 4 rods. I’m using the Smith Little Torch Oxy-Propane Rosebud tip for the melt. What I’m most curious about is how the metal will work, whether it will be brittle or more like standard Sterling Silver. Equal parts coin and fine silver to about 10% Argentium.