Bronze Round Bar 655 Unpolished H04 Temper 0.25″ x 12″ – OnlineMetals

Description

Product Overview

The 655 Bronze Round Bar is a premium silicon bronze alloy engineered for demanding industrial applications. Produced by OnlineMetals, this bar features an unpolished mill finish that preserves the natural texture of the metal while providing excellent resistance to wear and corrosion. The H04 temper indicates a solution‑annealed condition, delivering a balance of strength and ductility that makes the bar suitable for machining, forming, and welding processes. Conforming to ASTM‑B98 specifications, the material guarantees consistent chemical composition and mechanical properties across each batch, ensuring reliability for critical components. With a precise diameter of 0.25 inches and a length of 12 inches, the bar offers a convenient size for prototyping, custom fabrication, and small‑scale production runs. Its dimensions and tolerances are tightly controlled, making it an ideal raw material for engineers who demand exactness in their designs.

Usage

Designed for versatility, the 655 Bronze Round Bar excels in marine hardware where exposure to saltwater and harsh environments is routine. Its superior corrosion resistance protects fasteners, bushings, and shafts from pitting and dezincification, extending service life even in offshore applications. In addition to marine use, the bar is frequently employed in the aerospace sector for non‑critical components that require a combination of strength and fatigue resistance. The alloy’s good formability allows it to be bent, rolled, or stamped into custom shapes, making it a popular choice for custom brackets, clamps, and decorative hardware. Hobbyists and small manufacturers also appreciate the bar’s ease of machining; it cuts cleanly with standard carbide tools, producing smooth finishes that reduce the need for secondary polishing. Whether you are building a prototype, repairing a vessel, or fabricating a precision part, this bronze bar delivers the performance and reliability required for professional results.

Why Choose Us

OnlineMetals has built a reputation for supplying high‑quality raw materials with transparent sourcing and rigorous quality control. Every batch of 655 Bronze Round Bar undergoes comprehensive testing for chemical composition, tensile strength, and dimensional accuracy, ensuring that the product you receive matches the ASTM‑B98 standard without deviation. Our streamlined ordering platform provides real‑time inventory visibility, allowing you to purchase exactly what you need and receive it promptly. In addition, we offer responsive technical support staffed by materials engineers who can advise on optimal machining parameters, heat‑treatment processes, and application‑specific considerations. Our commitment to sustainability includes responsible metal recycling programs and adherence to environmental regulations throughout the manufacturing chain. When you select our bronze bar, you benefit from a combination of product excellence, reliable delivery, and dedicated after‑sales service that together minimize downtime and maximize the value of your investment.

Key Features

• Unpolished mill finish preserves natural strength and reduces processing steps.
• H04 temper provides a balanced mix of hardness and ductility for easy machining.
• Meets ASTM‑B98 standards, guaranteeing consistent chemical composition and performance.
• Excellent corrosion resistance ideal for marine and offshore hardware applications.
• Responsive technical support and after‑sales service to assist with any project needs.

FAQ

What does the H04 temper mean for this bronze bar?

H04 indicates that the material has been solution‑annealed, giving it a soft, workable condition that can be easily machined, formed, or welded while still retaining good strength.

Is this bar suitable for welding?

Yes, 655 silicon bronze is commonly welded using TIG or MIG processes. Proper pre‑heat and post‑heat treatments are recommended to avoid cracking and to maintain mechanical properties.

Can I use this bar for non‑marine applications?

Absolutely. While its corrosion resistance makes it ideal for marine use, the alloy’s strength, fatigue resistance, and formability also serve well in aerospace, automotive, and general engineering projects.

What is the tolerance on the diameter and length?

The diameter tolerance is typically ±0.001 inches, and the length tolerance is ±0.02 inches, ensuring precise fit for critical dimensions.

Do you offer bulk pricing for larger orders?

Yes, OnlineMetals provides volume discounts for bulk purchases. Contact our sales team for a customized quote based on your required quantity.