This specification covers a standard grade of calcium-silicon, a standard grade of calcium-manganese-si
licon, a standard grade of calcium-silicon-bari
um and a standard grade of ferro-calcium-silico
n. The material shall conform to the requirements as to chemical composition specified.
This specification covers a standard grade of calcium-silicon, a standard grade of calcium-manganese-silicon, a standard grade of calcium-silicon-barium and a standard grade of ferro-calcium-silicon. The material shall conform to the requirements as to chemical composition specified.