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Rulon Bearings

Silicon Red Brass, UNS C69400
Categories: Metal; Nonferrous Metal; Copper Alloy; Brass

Material Notes: Good to excellent corrosion resistance. Excellent hot formability for fabrication by forging, screw machine operations.

Applications: valve stems where corrosion resistance and high strength are critical.

Available as rod.

Key Words: CDA 694
Vendors: No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
 
Physical PropertiesMetricEnglishComments
Density 8.19 g/cc0.296 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Tensile Strength, Ultimate 565 - 896 MPa81900 - 130000 psi
Tensile Strength, Yield 276 - 393 MPa40000 - 57000 psiDepending on temper
Elongation at Break 25 %25 %in 508 mm.
Modulus of Elasticity 110 GPa16000 ksi
Machinability 30 %30 %UNS C36000 (free-cutting brass) = 100%
Forgeability 80 %80 %UNS C37700 (forging brass) = 100%
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000280 ohm-cm
@Temperature 20.0 °C
0.0000280 ohm-cm
@Temperature 68.0 °F
 
Thermal PropertiesMetricEnglishComments
CTE, linear 20.2 µm/m-°C
@Temperature 20.0 - 300 °C
11.2 µin/in-°F
@Temperature 68.0 - 572 °F
Specific Heat Capacity 0.380 J/g-°C0.0908 BTU/lb-°F
Thermal Conductivity 26.0 W/m-K180 BTU-in/hr-ft²-°F
Melting Point 820 - 920 °C1510 - 1690 °F
Solidus 820 °C1510 °F
Liquidus 920 °C1690 °F
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 425 - 650 °C797 - 1200 °F
Hot-Working Temperature 650 - 875 °C1200 - 1610 °F
 
Component Elements PropertiesMetricEnglishComments
Copper, Cu 80 - 83 %80 - 83 %
Iron, Fe <= 0.20 %<= 0.20 %
Lead, Pb <= 0.30 %<= 0.30 %
Silicon, Si 3.5 - 4.5 %3.5 - 4.5 %
Zinc, Zn 14.5 %14.5 %

References for this datasheet.

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MC69400b1 / 11701

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