If you are willing to sacrifice a little on the appearance they have 1kg tungsten "ingots" for 99€. https://www.smart-elements.com/shop/tungsten-electrode-99-9

If you are willing to sacrifice a little on the appearance they have 1kg tungsten "ingots" for 99€. https://www.smart-elements.com/shop/tungsten-electrode-99-95-23-92x10x6mm-31-28-grams/ https://www.smart-elements.com/shop/tungsten-electrode-99-95...