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Home » Products » Manganese Bronze » C67300 MANGANESE BRONZE


Product Code : C67300
Product Description
C67300 Manganese Bronze

The C67300 manganese bronze is high in strength alloy with good bearing qualities. The alloy maintains high impact resistance with with good machinability by making it well suited for clutch bearings, shaft bushings, sleeve bearings, thrust bearings, pump parts, drive shafts, bearing pins, wear plates, gears and cams. It also resists squashing out under high loads and extreme wear applications.

Typical Uses :
Fasteners: Fasteners, Lead Screw Nuts
Industrial: Gears and Cams, Wear Plates, Bushings, Seal Rings, Idler Pins, Piston Heads, Brearing Pins, Thrust Bearings, Sleeve Bearings, Propeller Shafts, Shaft Bushings, Clutch Bearings, Drive Shafts, Spindles, Pump Parts, Bearings
Marine:  Hardware, Valve Seats
Other:   Connecting Rods
Equivelent Specifications:

Specifications Designation

UNS C66800

UNS C67400

UNS C67420

Chemical Composition:
  Al Cu Fe Pb Mn Ni Si Sn Zn
Min/Max 0.25 58.0 - 63.0 0.5 0.40 - 3.0 2.0 - 3.5 0.25 0.50 - 1.5 0.3 Rem
Nominals - 60.5 - 1.7 2.7 - 1 - 34.1

End Product Specification
Bar SAE J461, J463
Forgings SAE J461, J463
Rod SAE J463, J461
Shapes SAE J463, J461

Joining Technique Suitability
Machinability Rating 70

Physical Properties:
Product Property US Customary Metric
Coefficient of Thermal Expansion 11 ·10-6 per oF (68-572 F) 19.0 ·10-6 per oC (20-300 C)
Density .30 lb/in3 at 68 F 8.3 gm/cm3 @ 20 C
Electrical Conductivity 22 %IACS @ 68 F 0.13 MegaSiemens/cm @ 20 C
Melting Point - Liquidus 1605 F 874 C
Modulas of Elasticity in Tension 17000 ksi 117200 MPa
Specific Gravity 8.3 8.3
Thermal Conductivity 55 Btu · ft/(hr · ft2·oF)at 68F 95.0 W/m · oK at 20 C

Sizes Available
HEX 10mm To 60mm
SQUARE 10mm To 60mm
FLAT 10mm Min Thickness and max Width 120mm
BILLETS Up to 200 mm
INGOTS As per Specification

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