Cast Bronze

Bronze CDA 86400

Specs: ASTM-B-584, MS-989, EMS-102.1
UNS# C86400

Leaded Manganese Bronze C86400 (Bronze CDA 86400), also known as Leaded High Strength Yellow Brass, is a cast Copper alloy that is made of Copper and Zinc, with Aluminum, Lead, Tin, Iron, Manganese and Nickel & Cobalt. This cast bronze is primarily used in roller bearing applications.

Details

High Strength Yellow Brass C86400 (CuZn40Fe2AlMnPb) is an alpha-beta brass with additions of 2% Fe and 1% additions of aluminium, lead and manganese. The iron, aluminum, and manganese, provides additional strength and corrosion resistance, while the lead is added to increase the machinability.

 

The alloy has good wear resistance and is used for roller bearing cages where the properties of high strength, ductility, good fatigue, excellent bearing, and excellent machinability make it a popular choice.

 

When used as a shaft bearing, the shaft needs to harden.

 

Welding techniques for High Strength Yellow Brass are soldering and brazing. Carbon arc welding, oxyacetylene welding, gas-shielded arc, and coated metal arc welding are not recommended for this alloy.

 

C86400 has a machining index of 65% when compared with free machining brass at 100%.

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Available shapes –  round and sleeve

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Applications

  • Roller Bearing Cages
  • Bearing Cages
  • Cams
  • Lever Arms
  • Valve Stems
  • Propellers
  • Pump Fixtures
  • Architectural Rails and Fixtures
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Specifications

Specifications of Bronze CDA 86400

International
Standards
Material
Designation
Rod, Bar
& Profile
USA
ASTM
UNS C86400 ASTM B 584
ASTM B 271
SAE   SAE J463
SAE J461
Federal   QQ B 390-B
Mechanical Properties

Mechanical Properties of Bronze CDA 86400

Product Form Condition Size
Imperial Metric
UTS
Ksi    N/mm²
0.5% Yield
Ksi    N/mm²
Elong
%
Hardness
RB
Rod & Bar As Manufactured N/A 60-80   413-551 25-35   172-241 25-30 50-70
Physical Properties

Physical Properties of Bronze CDA 86400

Physical Properties Imperial Units Metric Units
Density 0.301lb/in³ 8.32g/cm³
Melting Range 1580-1620ºF 860-880ºc
Mean Liner Expansion 20-300ºc   0.020 ºc x10-³
Mean Liner Expansion 68-572 ºF 0.00111 ºF x10-³  
Specific Heat 0.090Btu/lb/ ºF @68ºF 377J/kg ºK @20 ºc
Thermal Conductivity 611BTUin/ hr- ft² ºF @68ºF 88W/m. ºK
Electrical Conductivity 18% IACS @68ºF 0.070MS/cm @20 ºc
Magnetic Permeability <1.01  
Electrical Resistivity 4.37µ_in 11.1μΩcm
Modulus of Elasticity 10³    
Tension 21.8ksi 150N/mm²
Compressive 8.7ksi 60N/mm²

While the data is believed to be accurate, Wieland Diversified makes no representation or warranty of any kind (expressed or implied) and assumes no responsibility with respect to the accuracy and values shown above; this information should only be used as a guide.

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