Metalwerks Metalwerks, metals, specialty metals, forging, GFM, rotary forge, melting, alloys, metal melting, metal processing, high purity, melt shop, ASTM, specifications, research and development, Metalworks Metalwerks PMD, Inc. is a high-technology vacuum melter and processor of specialty metals and supplies standard mill products such as sheet, strip, plate, bar, billet, coil, and wire.