Process

Tungsten Carbide Preform Manufacturing Process

Vista Metals is recognized worldwide for producing the finest tungsten carbide preforms, driven by advanced technology, uncompromising quality standards, and meticulous attention to detail. Our manufacturing excellence—and the skilled people behind it—are why leading companies across the globe choose Vista Metals preforms.


Vista Metals Provides
tungsten-carbide-powder-blending
1 Blending
Vista Metals' manufacturing process begins with strict control of raw materials and precise blending to unique in-house recipes. Vista manufactures a wide variety of grades covering all application requirements.
tungsten-carbide-testing
2 Testing
Samples of our grade powders are sintered and tested extensively in our Quality Control Lab prior to use in production. Tests are performed using state-of-the-art equipment by our experienced metallurgical quality control team.
tungsten-carbide-engineering
3 Engineering
Our engineering team develops an accurate, computerized model of your specified preform with our detailed CAD/CAM systems. Once engineered, the drawing can be linked to our CNC equipment for product consistency from start to finish. Repeat orders are quickly retrieved from the computer system.
tungsten-carbide-pressing
4 Pressing
Powders are hydrostatically pressed, reducing billets and rounds by approximately 25%. Shrink factor is determined and the materials are tagged for shaping.
tungsten-carbide-shaping
5 Shaping
Vista's experienced machinists use diamond-tipped tooling to bore, grind, drill and turn to exact specified dimensions and tolerances. CNC equipment can be controlled through the CAD/CAM system.
tungsten-carbide-sintering
6 Sintering
Precision preforms are sintered in our programmable sinter hip and vacuum furnaces at temperatures from 2400˚F up to 2700˚F.
tungsten-carbide-brazing
7 Brazing
Once sintered, invar plugs can be brazed in place if tapping is required.
tungsten-carbide-inspection
tungsten-carbide-inspection-metallurgical
8 Inspection
A dimensional and metallurgical inspection is performed to ensure the tooling meets the quality standards prior to shipment.