China Tungsten Cemented Carbide Powder Metal Valve Seats

Cemented Carbide Valve Seat

Modern engines put much higher levels of thermal and mechanical stress on valve seat inserts. To handle the more severe conditions within this new generation of engines, the OEM is equipping them with high tech sintered valve seats. The normal cast chrome and other alloy iron seats will not adequately withstand the demands of this new engine environment.We patented materials and processing of these powder metal valve seats offer excellent machinability, along with low wear and high heat resistance. These inserts have finely dispersed tungsten carbide residing in a matrix of tempered tool steel and special alloy iron particles to provide all the properties an application requires. Special compositions and processing have been developed to perform in the most extreme duty applications. Complete in-house capabilities, from development and tooling to testing, reduces lead time and cost.
Superior Machinability
The 30000 Series is the most machinable of our valve seat materials. it is a sintered valve seat insert which offers a blend of finely dispersed tungsten carbide residing in a matrix of tempered tool steel and special alloy iron particles. The superior machinability is the result of adding our proprietary ingredients and solid dry lubricants to this blend, and by using our special processing techniques during manufacture.
Designed for Unleaded Fuels
This very machinable exhaust seat material is designed for unleaded fuels. The 30000 series is intended for the light to medium duty range. For the heavy or extreme duty use range we recommend our 70000 series valveinserts.
Powder metal Technology
We have taken full advantage of the new powder metal technology to product a "hard" valve seat which will machine almost like cast iron. The magnified picture will tell the story.

Powder metal technology allows us to place a special high grade alloy iron (with its natural, tool lubricating graphite rich properties) within a tempered tool steel matrix.

Because of our special processing, we are able to get very fine, spheroidalized (round shaped), tungsten carbide particles to evenly disperse within the tool steel.

These sphereoidalized carbides are easier to machine because the tool bit can wedge in-between, with less cutting force and less friction.

The smaller these "balls" of carbide, the easier it is on your cutting tool, because it will not be hitting any big irregular shaped "iceberg chunks" of carbide.
Tungsten Carbide Valve Seats is the gear of gas lift valve meant for oil well in the oil field. employing gas lift method is the most inexpensive way in the oil extraction presently. The gas life method can limit by the deepness of the oil well; inserting the gas to the valve can subside the button mass of the oil tube, decrease the pressure, and promise the oil extraction incessantly.
Features:

High wear resistance, impact toughness, great toughnessHigher bending forte, better anti-impact and anti-vibration strengthCan work between the temperature range of 30-120 Degree CelsiusIt has pressure of outlet side of corrugated tube with 45-50MPaSynonyms:Tungsten Carbide Valve SeatsTungsten Valve SeatTungsten Carbide Ball SeatsCemented Carbide SeatsTC seatsHard alloyseatsUse Material:High purity vergin material WC+Co ( WC 94%,Co 6%, micro grain size)Hardness: 91.5HRABending strength: 1400MPaApplication:For oil pump cleaning use.