Description
Product Overview
The 655 Bronze Round Bar, supplied by OnlineMetals, is a precision‑engineered component designed for a wide range of industrial and marine applications. Crafted from silicon bronze, this alloy combines copper with a small percentage of silicon, delivering a material that is both strong and highly resistant to corrosion. The bar measures a nominal diameter of 0.3125 inches (5 mm) and a length of 24 inches (610 mm), providing a convenient size for machining, fabrication, and assembly tasks. Its surface finish is an unpolished mill finish, which retains the natural texture of the metal while offering a clean, ready‑to‑use appearance. The H04 temper designation indicates that the bar has been work‑hardened to a moderate degree, striking a balance between ductility and strength that is ideal for forming, bending, and threading operations.
The product conforms to ASTM‑B98 standards, ensuring that the chemical composition, mechanical properties, and dimensional tolerances meet rigorous industry criteria. This compliance gives engineers and fabricators confidence that the material will perform reliably under demanding conditions, whether in seawater environments, high‑stress mechanical assemblies, or precision‑machined components. The bar is packaged in a compact box measuring 24 × 0.3 × 0.3 inches and weighs approximately 8.8 ounces, making it easy to store, ship, and handle on the shop floor.
OnlineMetals, a trusted supplier of raw metal materials, provides detailed product data, including package dimensions, model number (67902), and a history of availability dating back to August 5 2006. The bar holds a respectable ranking within the industrial category, reflecting its popularity among professionals who require dependable bronze material for custom projects. By choosing this round bar, customers gain access to a high‑quality alloy that combines formability, resilience, and corrosion resistance, all backed by a reputable manufacturer.
Usage
The 655 Bronze Round Bar excels in environments where durability and resistance to harsh conditions are paramount. Its silicon bronze composition makes it especially suitable for marine hardware such as propeller shafts, pump impellers, and valve stems that are constantly exposed to saltwater and splashing. The material’s inherent corrosion resistance reduces the need for frequent maintenance, extending the service life of components and lowering total ownership costs.
In addition to marine applications, the bar is frequently used for manufacturing fasteners, bushings, and custom shafts in the aerospace, automotive, and heavy‑equipment sectors. The moderate work‑hardening (H04 temper) allows technicians to easily machine threads, drill holes, or shape the bar into complex geometries without cracking or excessive tool wear. Its excellent formability also supports applications in decorative hardware, artistic installations, and custom tooling where a combination of strength and aesthetic appeal is required.
The bar’s dimensions—0.3125″ diameter and 24″ length—provide a versatile starting point for a variety of projects. Engineers can cut the bar to shorter lengths, machine it to precise tolerances, or combine multiple pieces to create larger assemblies. The unpolished mill finish offers a natural, matte appearance that can be left as‑is for functional parts or further processed with polishing, plating, or coating to achieve a specific visual or protective finish.
Overall, the 655 Bronze Round Bar is a reliable choice for professionals who need a material that can withstand corrosive environments, endure mechanical stress, and be readily fabricated into custom components. Whether used in shipbuilding, industrial machinery, or specialized equipment, this bar delivers consistent performance and long‑term durability.
Why Choose Us
When selecting a bronze material for critical applications, the reputation of the supplier is as important as the material itself. OnlineMetals has built a reputation for providing high‑quality raw metal products with transparent specifications and reliable customer support. Each batch of 655 Bronze Round Bar undergoes rigorous testing to verify compliance with ASTM‑B98, ensuring that the alloy’s chemical composition, tensile strength, and hardness meet the exact standards required by engineers and fabricators.
Our commitment to quality extends beyond the product itself. We offer detailed documentation, including material test reports, dimensional drawings, and handling guidelines, so that customers can integrate the bar into their production processes with confidence. In addition, our responsive technical support team is available to answer questions about machining parameters, heat‑treatment options, and best‑practice recommendations for specific applications.
OnlineMetals also prioritizes efficient logistics. The compact packaging and lightweight design of the 655 Bronze Round Bar enable fast shipping and easy inventory management. For bulk orders, we provide flexible pricing and volume discounts, helping businesses control costs while maintaining access to premium materials.
Choosing OnlineMetals means partnering with a supplier that values consistency, transparency, and customer satisfaction. Our track record of delivering reliable bronze products to a global clientele underscores our dedication to meeting the exacting demands of industrial and marine markets.
Key Features
- Superior corrosion resistance reduces maintenance in marine and outdoor environments.
- Moderate H04 temper provides a balance of strength and workability for machining and forming.
- Meets ASTM‑B98 standards, guaranteeing consistent chemical composition and mechanical properties.
- Compact packaging and lightweight design simplify storage, handling, and shipping.
- Dedicated technical support and detailed material documentation ensure smooth integration into projects.
FAQ
What does the H04 temper designation mean for this bronze bar?
H04 indicates that the material has been work‑hardened to a moderate level, providing increased strength while retaining enough ductility for machining, bending, and forming operations. This temper is ideal for applications that require both durability and ease of fabrication.
Is the 655 Bronze Round Bar suitable for direct exposure to seawater?
Yes. The silicon bronze alloy used in the 655 bar offers excellent resistance to saltwater corrosion, making it a reliable choice for marine hardware such as shafts, propellers, and valve components that are continuously exposed to seawater.
Can I purchase this bar in larger quantities, and are there volume discounts?
OnlineMetals offers flexible ordering options, including bulk purchases. Customers who order larger quantities can benefit from volume pricing discounts and customized shipping arrangements to meet project timelines and budget requirements.
What documentation is provided to verify the material’s compliance with ASTM‑B98?
Each shipment includes a material test report that details the chemical composition, tensile strength, hardness, and dimensional tolerances, confirming that the product meets the ASTM‑B98 specifications. Additional technical data sheets are available upon request.
How should I store the bronze round bar to maintain its quality?
Store the bar in a dry, well‑ventilated area away from direct contact with corrosive chemicals. Keeping the material in its original packaging until use helps protect the surface finish and prevents contamination.
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