tungsten ring

Tungsten rings are composed of a metal alloy, tungsten
carbide. The alloy allows for maximum hardness and rigidity
without sacrificing tensile strength. Each tungsten carbide
ring is cut and polished with diamond tools. Tungsten rings
are not sizable by ordinary jewelers' tools - the metal is
too hard. Most tungsten metal powder is converted to
tungsten carbide (WC) by reaction with pure carbon powder,
e.g. carbon black, at 900~2200癈 in pusher or batch
furnaces, a process called carbonization.

Place of Origin:	Zhejiang Yiwu in China
Model No:	TR-18010
Minimum Order:	20pcs
Supply Ability:	30000pcs/M
Delivery Time:	25