Gold has seen less use in wedding rings recently, Sherry Hofstetter, of J.R. Hofstetter, said. She said gold has become more expensive. “When feel people feel insecure about what’s happening, the ...

Romano suggests tungsten carbide or titanium. The cost of engagement rings for men varies, from a couple hundred dollars to tens of thousands of dollars, depending on the ring’s material ...

The journey of tungsten carbide began with the discovery of tungsten by Carl Wilhelm Scheele in 1781. However, it took 150 years before tungsten carbide found its place in industry. The production of ...

much of which was directed to the manufacture of tungsten carbide tooling. Tungsten has the highest melting point known, 3,422 °C, and is an extremely dense, hard, and tough metal. Its properties ...

We have just completed an etching study of iron carbides made in three different ways and of some tungsten carbide (1/32-in. equilateral triangles) single crystals. The iron carbide studies ...

Many people are turning to platinum or tungsten-carbide for rings, she said. "With the high gold price, that makes platinum very reasonable," Hofstetter said. Platinum is also heavier than gold ...