What is the amount of sea coal needed in cast irons for small casting moulding sands?
What is the amount of sea coal needed in cast irons for small casting moulding sands? Correct Answer 1%
In bonding of substances, an extremely small quantity of sea coal is also needed. Sea coal is used for surface appearance improvement. It is used about 1% in cast iron moulding sands for small castings.
মোঃ আরিফুল ইসলাম
Feb 20, 2025