Round and Square Bronze Bars
Round and Square Bronze Bars

A385 Bronze Square Bar

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Bronze Alloy 385 Square Bar is a solid, four-sided profile used in structural and architectural fabrication. Produced from a copper-zinc bronze Alloy, it is well suited for precision machining and fabricated assemblies. The square geometry provides equal strength across all sides, making it effective for multi-directional support and balanced load distribution. Its clean, defined edges allow for sharp architectural detailing in exposed applications. This profile is frequently specified for posts, reinforcement members, custom components, and decorative structural elements.

Architectural: Structural posts, framing elements, custom features and façade detailing
Construction: Anchor components, structural transition elements and reinforcement posts
Manufacturing and Fabrication: Machined parts, engineered components, brackets and frames
Ornamental: Decorative posts, blaustrade components, metal gate detailing and furniture components
Hardware: Door components, locking mechanisms and hinge elements

Copper: 55-59 %
Zinc: ~40 % (Or remainder)
Lead: ~2.5 – 3.5 %
Iron: ≤ 0.35 % (max)
Length: 16ft
Standards: ASTM B455

CDA Standards

ASTM Standards

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A385 Bronze Square Bar FAQs

Alloy 385 offers excellent machinability among copper Alloys, allowing for precise cutting, drilling, and milling. This makes it well suited for precision architectural and OEM components.

Yes, architectural bronze bar can be polished to achieve a refined finish for visible installations. Lewis Brass & Copper offers polishing capabilities to meet project-specific aesthetic requirements. Polished bronze bar is commonly used in railing systems, trim details, and decorative architectural elements.

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