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Alloy 510 Phosphor Bronze

Sequoia Brass & Copper sells alloy 510 phosphor bronze. . Phosphor Bronze is an alloy of copper and tin to which phosphorus is added to completely rid the alloy of oxides. When rolled 8# hard it is tough and strong and possesses great resistance to fatigue and corrosion.

Common fabrication processes for 510 phosphor bronze are blanking, drawing, forming and bending, heading and upsetting, shearing, and stamping. 510 phosphor bronze is excellent for soldering or brazing and has a machinability rating of 20. Diaphragms, switch parts and electrical contacts are some of its typical applications. 510 phosphor bronze is available in strip, wire, rod, shapes, and tube product forms.

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  Cu Fe Pb P Sn Zn
Min/Max Rem. 0.1 0.05 .03 - .35 4.2 - 5.8 0.3
Nominal 94.8 0.2 5
Joining Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Fair
Spot Weld Good
Seam Weld Fair
Butt Weld Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Poor
Machinability Rating: 20
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Common Fabrication Processes For
510 Phosphor Bronze

Blanking, drawing, forming and bending, heading and upsetting, roll threading and knurling, shearing, stamping

Typical Uses

Bridge bearing plates
Fasteners, cotter pins, lock washers
Bourdon tubes, bellows, perforated sheets, chemical hardware, truss wire, springs, sleeve bushing, diaphragms, clutch disks, pressure responsive elements, beater bar, textile machinery, welding rods
Resistance wire, fuse clips, electromechanical spring components, electrical flexing contact blades, electrical connectors, electronic connectors, wire brushes, switch parts, electronic and precision instrument parts