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Alloy 385 Architectural Bronze

Sequoia Brass & Copper sells alloy 385 architectural bronze. This alloy is similar to C360 (Free Cutting Brass) with the only significant difference being a slightly higher lead content in C360 for better machinability. The machinability rating for C385 is 90 compared to 100 for C360.


Like its name suggests, 385 architectural bronze is ideal for architectural extrusions, trims, butts, hinges, and lock bodies. With excellent soldering and hot forming properties, 385 architectural bronze is commonly processed by hot forging and pressing, hot forming and bending, and machining. Alloy 385 has good corrosion resistance to weathering and fair resistance to many waters.

  • Chemical Composition
  • Fabrication Properties
  • Casting Characteristics
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  Cu Fe Pb Zn
Min/Max 55.0 - 59.0 0.35 2.5 - 3.5 Rem.
Nominal 57 3 40
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 Poor
Capacity for Being Hot Formed Excellent
Machinability Rating: 90
 
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Round Rod Sizes
Square Rod Sizes
Rectangle Bar Sizes
Square Tube Sizes
Square Rectangle Sizes
Angle Equal Leg Sizes
Angle Unequal Leg Sizes
Channel Sizes
Handrail Moulding Sizes

Common Fabrication Processes For
385 Architectural Bronze

Hot forging and pressing, hot forming and bending, machining

Typical Uses

Architecture
Handrails, thresholds, terrazzo strip, shower doors, privacy sun grills, store fronts, architectural forgings, extrusions, architectural moldings, window mullions, bathroom partition brackets, door frames, elevator trim
Builders Hardware
Lock bodies, drawer pulls, slide bolts, drawer handles, lock cams, hinges, butts
Consumer
Straight edges, picture frames, hot combs (to straighten hair), fireplace screens, lamps, handles, squeegee retainers, funeral urns
Industrial
Valve seats, valves, gauges, press brake ram clamps, forgings, valve stems, valve trim, wheeled racks
Ordnance
Gun sights