Entries by Hexin Africa

NATIONAL STANDARD OF THE GRINDING BALLS IN CHINA (7)

The casting grinding ball shall be inspected by the supplier’s quality inspection department. Chemical composition inspection shall be conducted in batches. If melt by induction furnace, each furnace as batch; if melt by cupola furnace, every 2hours as batch. Get one example to inspect the composition for each batch. If the test result is unqualified, […]