The company produces oxygen free continuous cast copper rods, ... National Bronze & Metals engages in the production and distribution of bronze, ... products; oxygen free, chromium, beryllium, cadmium, nickel, leaded, and ...
... spring is attached at the inside to an arbor (a steel rod around which it's coiled ... The movement, of iron and gilt bronze; the mainspring barrel is on the ... Increasing the percentage of beryllium in an alloy further increases its ...