Entries by Hexin Africa

Quenching process (quenching furnace)

In materials science, quenching is the rapid cooling of a workpiece in water, oil, or air to obtain certain material properties. For oil quenching furnace, it contents the process of heating and quenching. For casting grinding balls, quenching process can be oil quenching for common high chrome balls, air quenching for super high chrome alloyed grinding balls; and for […]

STANDARD OF CHROME ALLOYED GRINDING BALLS IN BUILDING MATERIALS INDUSTRY(2)

This standard specifies the terms and definitions, product classification, technical requirements, test methods, inspection rules, packaging, marking, transportation and storage of cast chromium alloy grinding balls for the building materials industry. This standard is applicable to chromium alloy cast grinding balls (hereinafter referred to as cast balls) used in building materials industry, and other cast […]

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, […]