Bronze Round Bar 0.375″ x 12″ Unpolished HR50 Temper OnlineMetals

Description

Product Overview

The 0.375 inch diameter, 12 inch long Bronze Round Bar is engineered to meet the rigorous demands of industrial applications. Produced by OnlineMetals, this bar features an unpolished mill finish that preserves the natural texture of the aluminum‑silicon‑bronze alloy, providing a surface that is both aesthetically neutral and ready for further machining. The HR50 temper designation indicates a heat‑treated condition that balances hardness and ductility, ensuring the bar can withstand mechanical stresses while still being machinable for precision components. Compliance with ASTM B150 and AMS‑4634 standards guarantees that the material meets established criteria for chemical composition, tensile strength, and corrosion resistance. These specifications make the bar a dependable choice for engineers and fabricators who require consistent performance across a range of environments, from marine settings to high‑temperature processes.

Usage

Designed for versatility, this bronze rod excels in applications where strength, wear resistance, and dimensional stability are critical. Typical uses include the manufacturing of gears, valves, pump components, and custom fittings for hydraulic systems. Its excellent machinability allows for turning, drilling, and threading without excessive tool wear, making it suitable for both prototype development and full‑scale production runs. The bar’s corrosion‑resistant properties are especially valuable in marine and chemical processing environments, where exposure to saltwater or aggressive fluids can degrade less robust materials. Additionally, the unpolished finish provides a matte appearance that reduces glare in precision instrumentation, while still allowing for optional surface treatments such as plating or coating if a different aesthetic or additional protection is required.

Why Choose Us

OnlineMetals distinguishes itself through a commitment to material integrity, transparent sourcing, and responsive customer service. Each Bronze Round Bar is sourced from reputable smelters and undergoes strict quality control inspections, including dimensional verification and chemical analysis, to ensure conformity with ASTM B150 standards. Our inventory management system tracks batch numbers, enabling traceability for critical projects that demand certification documentation. Moreover, we provide detailed technical data sheets and offer direct assistance from material specialists who can advise on optimal machining parameters, heat‑treatment considerations, and compatibility with other alloys. With fast shipping options and a hassle‑free return policy, we aim to reduce lead times and support the rapid development cycles of modern manufacturing facilities.

Key Features

• HR50 temper delivers a balanced hardness for high‑stress applications while remaining easy to machine.
• ASTM B150 compliance ensures reliable strength and corrosion resistance across diverse environments.
• Unpolished mill finish retains the natural bronze texture, reducing surface preparation time.
• 0.375″ diameter and 12″ length provide a convenient size for standard tooling and quick integration.
• Dedicated technical support and after‑sales service help you optimize performance and resolve any material‑related issues.

FAQ

What does HR50 temper mean for this bronze bar?

HR50 indicates that the material has been heat‑treated to achieve a specific hardness level, offering a good mix of strength and ductility. This makes the bar suitable for components that must resist wear while still being machinable for precise dimensions.

Is this bar suitable for marine applications?

Yes. The aluminum‑silicon‑bronze alloy provides excellent resistance to saltwater corrosion, making it a reliable choice for marine hardware, propeller shafts, and other components exposed to seawater.

Can I request a different finish or surface coating?

Absolutely. While the bar ships with an unpolished mill finish, you can specify additional surface treatments such as plating, anodizing, or coating at the time of order to meet specific aesthetic or protective requirements.

Do you provide certification or material test reports?

OnlineMetals supplies ASTM‑compliant material test reports upon request, detailing chemical composition, tensile strength, and other key properties to support quality assurance and regulatory compliance.

What is the recommended machining speed for this bronze alloy?

For most CNC turning operations, a cutting speed of 150–200 surface feet per minute (SFM) with carbide tooling is recommended. Adjust feed rates based on the specific geometry and desired surface finish.