Description
Product Overview
OnlineMetals presents a premium 510 bronze round bar designed for demanding industrial applications. This bar is crafted from phosphorus bronze, a material known for its superior strength, formability, and corrosion resistance. The unpolished mill finish provides a raw, authentic surface that is ready for machining, welding, or finishing processes without additional preparation. With a precise diameter of 0.625 inches and a length of 12 inches, the bar conforms to ASTM B139 and B139M specifications, ensuring consistency and reliability across projects. The bar weighs only 1.18 pounds, making it lightweight yet robust enough for structural components, spring elements, and precision hardware. Its composition allows for easy soldering and brazing, which is essential for electrical connectors and assemblies that demand secure joints. The product is manufactured in the United States, adhering to strict quality control standards, and is backed by OnlineMetals’ reputation for delivering high‑grade raw materials to engineers, fabricators, and hobbyists alike.
![[Product front view showing all components]](https://www.drinkupco.store/wp-content/uploads/2026/07/4974511ea83148df95a0679b19a076b6.jpg)
Usage
This bronze round bar excels in a variety of environments where durability and machinability are paramount. It is frequently employed in the production of springs for automotive suspension systems, where its elasticity and fatigue resistance provide long‑lasting performance. Bellows used in aerospace and medical devices benefit from the material’s ability to maintain shape under cyclic pressure while resisting corrosion. Electrical hardware such as connectors, terminals, and custom brackets rely on the bar’s excellent conductivity and ease of soldering, ensuring reliable electrical pathways. The bar also serves well in artistic metalworking, where its warm bronze hue and workability allow artisans to create sculptures, decorative hardware, and custom fittings. For prototyping and small‑batch manufacturing, the 12‑inch length offers a convenient size for CNC machining, turning, and drilling operations. Whether the application involves high‑stress mechanical components or delicate electronic assemblies, this bar provides a versatile foundation.
Why Choose Us
Choosing OnlineMetals means partnering with a supplier that prioritizes material integrity and customer satisfaction. Each bar undergoes rigorous testing to verify compliance with ASTM standards, guaranteeing that dimensions, composition, and mechanical properties meet exacting criteria. Our supply chain is transparent, and we source raw bronze from reputable mills that employ environmentally responsible practices. Customers benefit from fast shipping, detailed product documentation, and responsive technical support that can assist with material selection, machining advice, and post‑sale inquiries. We also offer a hassle‑free return policy should the product not meet your expectations, reinforcing confidence in every purchase. By selecting this 510 bronze round bar, you gain access to a material that balances strength, workability, and cost‑effectiveness, making it a smart choice for both large‑scale manufacturers and individual makers.
Key Features
- High‑strength phosphorus bronze delivers reliable performance in demanding applications.
- Unpolished mill finish reduces preparation time and supports easy machining.
- Precise 0.625″ diameter and 12″ length meet ASTM B139 standards for consistency.
- Excellent solderability and brazing capability simplify assembly of electrical hardware.
- Responsive customer support and straightforward return policy ensure peace of mind.
FAQ
What does the “unpolished” finish mean for machining?
The unpolished mill finish is a raw surface that has not been polished or coated. It provides a clean, even texture that is ideal for machining operations such as turning, drilling, and milling, allowing tools to engage the material without interference from surface contaminants.
Can this bronze bar be used for high‑temperature applications?
Phosphorus bronze retains its mechanical properties at moderately elevated temperatures, making it suitable for many high‑temperature environments. However, for extreme heat conditions above 300°C (572°F), a specialized alloy may be required.
Is the bar compatible with standard soldering alloys?
Yes, the 510 bronze composition is compatible with common lead‑free solder alloys, as well as traditional tin‑lead solders. Its excellent wetting characteristics ensure strong, conductive joints when properly prepared.
How do I verify the dimensions of the bar upon receipt?
We provide a detailed specification sheet with tolerances for diameter and length. You can use a calibrated micrometer or caliper to measure the bar and confirm it falls within the stated tolerance range of ±0.001 inches for diameter and ±0.005 inches for length.
What is the recommended storage condition for the bronze bar?
Store the bar in a dry, climate‑controlled environment away from corrosive chemicals. While phosphorus bronze is resistant to corrosion, prolonged exposure to moisture or aggressive agents can affect surface quality over time.
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