Shree Extrusions Limited

Founded and patented by English businessman George F. Muntz in 1832, Muntz Metal (C28000 or C280) is primarily used in architectural applications owing to its distinctive colour. It is highly elastic metal at the red heat that makes it ideal for pressing, stamping and hot forging. The metal alloy is also appreciated for high electrical and thermal conductivity, high ductility, high impact strength, good creep resistance, ease of welding, and low volatility under high vacuum.

Applications

• Architectural Panels
• Large Architectural Trim
• Structural Sheets
• Door Frames
• Decorative Hardware
• Condenser plates
• Heat Exchanger Tube
• Valve Stems
• Brazing Rod

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Chemical Composition


Fabrication Properties



Sizes Available 
Physical Properties

Excellent hot and cold workability; good forge ability. Fabricated by bending, coining, copper smith, drawing and upsetting, hot forging and pressing, knurling, roll threading, shearing, spinning, swaging, and stamping.

Common Fabrication Processes

• Bending
• Blanking
• Forming
• Resistance Welding
• Seam and Butt Welding
• Spot Welded Components
• Stamping

Equivalent Specifications


Chemical Composition


Typical uses


Physical Properties


Thermal Properties


Fabrication Properties

The Manganese Brass Rod C66800 comes under the category of naval brass and is composed of 60% copper, 39.2% zinc and 0.8% tin. In compliance with typical naval brass, the alloy possesses good strength as well as rigidity. The corrosion resistance towards sea water is achieved due to the presence of zinc in place of tin. The addition of tin also makes the alloy resistant towards dezincification, fatigue, galling, and stress corrosion cracking.

Applications:

• Gears
• Sealing Rings
• Thrust Bearings
• Bushings
• Cams
• Spindles
• Bearings
• Idler Pins
• Connecting Rods
• Drive Shafts
• Valve Seats
• Sleeve Bearings
• Piston Heads

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