There’s a certain peace of mind that comes with using a material you can actually trust. In our industry, AMS 4640 (C63000) is that material. It’s widely considered the benchmark for Nickel Aluminum Bronze Alloy for a reason: it’s built to survive environments that would crush lesser metals. We’ve spent years at Busby Metals helping […]
Posts By: Rohit M
C72900: The High-Strength, Eco-Friendly Alternative to Beryllium Copper
In high-performance metallurgy, we’ve always been on the hunt for that “holy grail” material: something that offers massive strength without a massive environmental footprint. For decades, Beryllium Copper was the undisputed king of the shop floor for any high-stress job. But today, the world has changed. With a new focus on worker safety and long-term […]
Understanding ASTM-B-150: The Standard for Aluminum Bronze Rod, Bar, and Shapes
In industries like aerospace and marine engineering, there’s no such thing as a “minor” component. Whether it’s a deep-sea valve or a landing gear bushing, the success of a multi-million dollar project often rests on the reliability of its smallest parts. When engineers need a material that punches with the heavy-duty strength of steel but […]

