① tungsten-cobalt cemented carbide

The main components are tungsten carbide (WC) and binder cobalt (Co).

The brand is composed of "YG" (the Chinese pinyin prefix for "hard and cobalt") and the percentage of the average cobalt content.

For example, YG8, meaning average WCo=8%, the rest is tungsten carbide tungsten-cobalt cemented carbide.

General tungsten-cobalt alloy is mainly used in: carbide tool, mold and mineral products.

Carbide cutting tool

Carbide cutting tool

② tungsten-titanium-cobalt cemented carbide

The main components are tungsten carbide, titanium carbide (TiC) and cobalt. Its brand is composed of "YT" (the Chinese pinyin prefix for "hard and titanium") and the average content of titanium carbide.

For example, YT15, indicates an average TiC=15%, and the rest is tungsten-titanium-cobalt cemented carbide with tungsten carbide and cobalt content.

TIC tool

TIC tool

③ tungsten-titanium-tantalum (niobium) cemented carbide

The main components are tungsten carbide, titanium carbide, tantalum carbide (or niobium carbide) and cobalt. This kind of hard alloy is also called universal hard alloy or universal hard alloy.

Its brand is composed of "YW" (" hard ", "wan" two characters in Chinese pinyin prefix) and serial number, such as YW1.