A non-precious alloy with beryllium for superior castings. It is compatible with most porcelains. This alloy is manufactured using only virgin raw materials. Each batch is melted under an atmosphere of inert gas to prevent contamination from the air. Cirrus contains the following elements: Ni 76% Cr 12% Mo 4.5% Be 1.8% Other 5.7%. 10 troy ounces per package. Made in the USA.