Cemented carbide classification

WC cutter 1 tungsten-cobalt hard alloy

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

Its grade is composed of “YG” (the “Hard, Cobalt” Chinese Pinyin prefix) and the percentage of the average cobalt content.

For example, YG8 means a tungsten-cobalt-based cemented carbide having an average WCo of 8% and the balance being tungsten carbide.

Generally, tungsten-cobalt alloys are mainly used in: carbide tools, molds, and mineral products.

Carbide cutting tool

TIC cutter 2 tungsten titanium cobalt cemented carbide

The main components are tungsten carbide, titanium carbide (TiC) and cobalt.

Its grade consists of “YT” (“Hard, Titanium” Chinese Pinyin prefix) and the average content of titanium carbide.

For example, YT15 represents an average TiC = 15%, and the balance is a tungsten-titanium-cobalt-based cemented carbide having a tungsten carbide and a cobalt content.

Tungsten-titanium-niobium tool 3 tungsten-titanium-niobium (铌) type hard alloy

The main components are tungsten carbide, titanium carbide, tantalum carbide (or tantalum carbide) and cobalt. Such cemented carbides are also known as general purpose hard alloys or universal hard alloys.

Its brand consists of "YW" ("Hard", "Million" Chinese Pinyin prefix) plus sequence number, such as YW1.

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