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Alloy 314 Leaded Commercial Bronze

Sequoia Brass & Copper sells alloy 314 leaded commercial bronze. Leaded commercial bronze is a free machining brass and has higher electrical and thermal conductivity than standard brass. With a natural corrosion resistance, 314 leaded commercial bronze contains 89% copper, 9% zinc, and 2% lead.

The most common fabrication process for 314 leaded commercial bronze is machining. Alloy 314 finds use in hardware applications, electrical applications, as well as fasteners and industrial applications. Uses include various electrical connectors, screws and nuts, pickling crates, fixtures and racks. It is also common in screw machine applications.

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  • Fabrication Properties
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  Cu Fe Pb Zn Ni
Min/Max 87.5 - 90.5 0.1 1.3 - 2.5 Rem. 0.7
Nominal 89 1.9 9.1
Joining Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Fair
Capacity for Being Cold Worked Good
Capacity for Being Hot Formed Poor
Machinability Rating: 80
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Common Fabrication Processes For
314 Leaded Commercial Bronze


Typical Uses

Builders Hardware
Door knobs
Electrical plug type connectors, connectors for wire and cable
Nuts, screws
Pickling crates, pickling fixtures, pickling racks, screw machine parts