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Rulon Bearings

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Navy "M" Bronze, UNS C92200, Copper Casting Alloy
Categories: Metal; Nonferrous Metal; Copper Alloy; Copper Casting Alloy
Material Notes:

Casting methods recommended for this alloy: Centrifugal, Continuous, Investment, Permanent Mold, Plaster, and Sand.

Applications: Valves, fittings, and pressure containing parts for use up to 550°F.

Classified under: Leaded tin bronzes. ASTM B61; ASTM B584; formerly ASTM B143-2A

Data typical for sand-cast test bars. Alloy does not respond to heat treating. Casting shrinkage allowance is 1.5%
Key Words: Leaded tin bronze, valve bronze, navy m bronze, steam bronze, ASTM B61; ASTM B584; ASTM B143-2A
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 PropertiesOriginal ValueComments
Density 8.64 g/cc
 
Mechanical PropertiesOriginal ValueComments
Hardness, Brinell 65500 kg
 57
@Load 500 kg,
Temperature 285 °C
 58
@Load 500 kg,
Temperature 120 °C
 64
@Load 500 kg,
Temperature 20.0 °C
 71
@Load 500 kg,
Temperature -35.0 °C
Tensile Strength, Ultimate 275 MPa
 190 MPa
@Temperature 285 °C
 270 MPa
@Temperature 120 °C
 280 MPa
@Temperature 20.0 °C
 295 MPa
@Temperature -35.0 °C
Tensile Strength, Yield 140 MPa
@Strain 0.5 %
 80.0 MPa
@Strain 0.2 %,
Temperature 285 °C
 85.0 MPa
@Strain 0.2 %,
Temperature 120 °C
 90.0 MPa
@Strain 0.5 %,
Temperature 285 °C
 100 MPa
@Strain 0.5 %,
Temperature 120 °C
 110 MPa
@Strain 0.2 %,
Temperature 20.0 °C
 120 MPa
@Strain 0.5 %,
Temperature 20.0 °C
 125 MPa
@Strain 0.2 %,
Temperature -35.0 °C
 135 MPa
@Strain 0.5 %,
Temperature -35.0 °C
Elongation at Break 30 %in 50 mm
 20 %
@Temperature 285 °C
 44 %
@Temperature 120 °C
 46 %
@Temperature -35.0 °C
 47 %
@Temperature 20.0 °C
Reduction of Area 30 %
@Temperature 285 °C
 37 %
@Temperature -35.0 °C
 40 %
@Temperature 20.0 °C
 44 %
@Temperature 120 °C
Creep Strength 43.0 MPa
@Temperature 288 °C		for 0.00001%/h
 77.2 MPa
@Temperature 232 °C		for 0.00001%/h
 110 MPa
@Temperature 177 °C		for 0.00001%/h
Rupture Strength 80.0 MPa
@Temperature 290 °C,
Time 3.42e+6 sec
 105 MPa
@Temperature 290 °C,
Time 216000 sec
 140 MPa
@Temperature 290 °C,
Time 10800 sec
Modulus of Elasticity 97.0 GPa
Tensile Modulus 66.0 GPa
@Temperature 285 °C
 74.0 GPa
@Temperature 120 °C
 86.0 GPa
@Temperature -35.0 °C
 89.0 GPa
@Temperature 20.0 °C
Compressive Strength 105 MPaat permanent set of 10%
 260 MPaat permanent set of 0.1%
 70.0 MPa
@Temperature 285 °C		0.1% set
 75.0 MPa
@Temperature 120 °C		0.1% set
 90.0 MPa
@Temperature 285 °C		1% set
 95.0 MPa
@Temperature 20.0 °C		0.1% set
 95.0 MPa
@Temperature 120 °C		1% set
 110 MPa
@Temperature 20.0 °C		1% set
 110 MPa
@Temperature -35.0 °C		0.1% set
 140 MPa
@Temperature -35.0 °C		1% set
 210 MPa
@Temperature 285 °C		10% set
 225 MPa
@Temperature 120 °C		10% set
 260 MPa
@Temperature 20.0 °C		10% set
 290 MPa
@Temperature -35.0 °C		10% set
Fatigue Strength 75.0 MPa
@# of Cycles 5.00e+7 - 3.00e+8
 76.0 MPa
@# of Cycles 1.00e+8 		rotating beam
 90.0 MPa
@# of Cycles 4.00e+6 - 2.50e+7
 105 MPa
@# of Cycles 1.00e+6 - 1.00e+7
 140 MPa
@# of Cycles 200000 - 700000
 175 MPa
@# of Cycles 60000 - 100000
Machinability 42 %UNS C36000 (free-cutting brass) = 100%
 
Electrical PropertiesOriginal ValueComments
Electrical Resistivity 0.0000120 ohm-cm
Magnetic Permeability 1.0
 
Thermal PropertiesOriginal ValueComments
CTE, linear 16.7 µm/m-°C
@Temperature 100 °C
 17.0 µm/m-°C
@Temperature 130 °C
 17.3 µm/m-°C
@Temperature 160 °C
 17.6 µm/m-°C
@Temperature 190 °C
 17.7 µm/m-°C
@Temperature 215 °C
 17.9 µm/m-°C
@Temperature 240 °C
 18.0 µm/m-°C
@Temperature 450 °C
 18.2 µm/m-°C
@Temperature 270 °C
 18.3 µm/m-°C
@Temperature 295 °C
 18.5 µm/m-°C
@Temperature 325 °C
Specific Heat Capacity 0.376 J/g-°C
Thermal Conductivity 69.0 W/m-K
@Temperature 15.0 °C
 70.0 W/m-K
@Temperature 20.0 °C
 71.0 W/m-K
@Temperature 30.0 °C
 72.0 W/m-K
@Temperature 65.0 °C
 74.0 W/m-K
@Temperature 95.0 °C
 77.0 W/m-K
@Temperature 125 °C
 79.0 W/m-K
@Temperature 150 °C
 82.0 W/m-K
@Temperature 175 °C
 86.0 W/m-K
@Temperature 205 °C
 87.0 W/m-K
@Temperature 235 °C
Melting Point 315 °CIncipient
 825 - 990 °C
Solidus 825 °C
Liquidus 990 °C
Shrinkage 1.6 %Patternmaker's Shrinkage (3/16 in./ft.)
 
Processing PropertiesOriginal ValueComments
Annealing Temperature 260 °CStress-Relieving Temperature
 
Component Elements PropertiesOriginal ValueComments
Antimony, Sb <= 0.25 %
Copper, Cu 86 - 90 %
Iron, Fe <= 0.25 %
Lead, Pb 1.0 - 2.0 %
Nickel, Ni <= 1.0 %
Phosphorus, P <= 0.050 %
Silicon, Si <= 0.0050 %
Sulfur, S <= 0.050 %
Tin, Sn 5.5 - 6.5 %
Zinc, Zn 3.0 - 5.0 %

References for this datasheet.

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