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Rulon Bearings

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 PropertiesMetricEnglishComments
Density 8.64 g/cc0.312 lb/in³
 
Mechanical PropertiesMetricEnglishComments
Hardness, Brinell 6565500 kg
 57
@Load 500 kg,
Temperature 285 °C		57
@Load 1100 lb,
Temperature 545 °F
 58
@Load 500 kg,
Temperature 120 °C		58
@Load 1100 lb,
Temperature 248 °F
 64
@Load 500 kg,
Temperature 20.0 °C		64
@Load 1100 lb,
Temperature 68.0 °F
 71
@Load 500 kg,
Temperature -35.0 °C		71
@Load 1100 lb,
Temperature -31.0 °F
Tensile Strength, Ultimate 275 MPa39900 psi
 190 MPa
@Temperature 285 °C		27600 psi
@Temperature 545 °F
 270 MPa
@Temperature 120 °C		39200 psi
@Temperature 248 °F
 280 MPa
@Temperature 20.0 °C		40600 psi
@Temperature 68.0 °F
 295 MPa
@Temperature -35.0 °C		42800 psi
@Temperature -31.0 °F
Tensile Strength, Yield 140 MPa
@Strain 0.5 %		20300 psi
@Strain 0.5 %
 80.0 MPa
@Strain 0.2 %,
Temperature 285 °C		11600 psi
@Strain 0.2 %,
Temperature 545 °F
 85.0 MPa
@Strain 0.2 %,
Temperature 120 °C		12300 psi
@Strain 0.2 %,
Temperature 248 °F
 90.0 MPa
@Strain 0.5 %,
Temperature 285 °C		13100 psi
@Strain 0.5 %,
Temperature 545 °F
 100 MPa
@Strain 0.5 %,
Temperature 120 °C		14500 psi
@Strain 0.5 %,
Temperature 248 °F
 110 MPa
@Strain 0.2 %,
Temperature 20.0 °C		16000 psi
@Strain 0.2 %,
Temperature 68.0 °F
 120 MPa
@Strain 0.5 %,
Temperature 20.0 °C		17400 psi
@Strain 0.5 %,
Temperature 68.0 °F
 125 MPa
@Strain 0.2 %,
Temperature -35.0 °C		18100 psi
@Strain 0.2 %,
Temperature -31.0 °F
 135 MPa
@Strain 0.5 %,
Temperature -35.0 °C		19600 psi
@Strain 0.5 %,
Temperature -31.0 °F
Elongation at Break 30 %30 %in 50 mm
 20 %
@Temperature 285 °C		20 %
@Temperature 545 °F
 44 %
@Temperature 120 °C		44 %
@Temperature 248 °F
 46 %
@Temperature -35.0 °C		46 %
@Temperature -31.0 °F
 47 %
@Temperature 20.0 °C		47 %
@Temperature 68.0 °F
Reduction of Area  30 %
@Temperature 285 °C		30 %
@Temperature 545 °F
 37 %
@Temperature -35.0 °C		37 %
@Temperature -31.0 °F
 40 %
@Temperature 20.0 °C		40 %
@Temperature 68.0 °F
 44 %
@Temperature 120 °C		44 %
@Temperature 248 °F
Creep Strength  43.0 MPa
@Temperature 288 °C		6240 psi
@Temperature 550 °F		for 0.00001%/h
 77.2 MPa
@Temperature 232 °C		11200 psi
@Temperature 450 °F		for 0.00001%/h
 110 MPa
@Temperature 177 °C		16000 psi
@Temperature 351 °F		for 0.00001%/h
Rupture Strength  80.0 MPa
@Temperature 290 °C,
Time 3.42e+6 sec		11600 psi
@Temperature 554 °F,
Time 950 hour
 105 MPa
@Temperature 290 °C,
Time 216000 sec		15200 psi
@Temperature 554 °F,
Time 60.0 hour
 140 MPa
@Temperature 290 °C,
Time 10800 sec		20300 psi
@Temperature 554 °F,
Time 3.00 hour
Modulus of Elasticity 97.0 GPa14100 ksi
Tensile Modulus  66.0 GPa
@Temperature 285 °C		9570 ksi
@Temperature 545 °F
 74.0 GPa
@Temperature 120 °C		10700 ksi
@Temperature 248 °F
 86.0 GPa
@Temperature -35.0 °C		12500 ksi
@Temperature -31.0 °F
 89.0 GPa
@Temperature 20.0 °C		12900 ksi
@Temperature 68.0 °F
Compressive Strength 105 MPa15200 psiat permanent set of 10%
 260 MPa37700 psiat permanent set of 0.1%
 70.0 MPa
@Temperature 285 °C		10200 psi
@Temperature 545 °F		0.1% set
 75.0 MPa
@Temperature 120 °C		10900 psi
@Temperature 248 °F		0.1% set
 90.0 MPa
@Temperature 285 °C		13100 psi
@Temperature 545 °F		1% set
 95.0 MPa
@Temperature 20.0 °C		13800 psi
@Temperature 68.0 °F		0.1% set
 95.0 MPa
@Temperature 120 °C		13800 psi
@Temperature 248 °F		1% set
 110 MPa
@Temperature 20.0 °C		16000 psi
@Temperature 68.0 °F		1% set
 110 MPa
@Temperature -35.0 °C		16000 psi
@Temperature -31.0 °F		0.1% set
 140 MPa
@Temperature -35.0 °C		20300 psi
@Temperature -31.0 °F		1% set
 210 MPa
@Temperature 285 °C		30500 psi
@Temperature 545 °F		10% set
 225 MPa
@Temperature 120 °C		32600 psi
@Temperature 248 °F		10% set
 260 MPa
@Temperature 20.0 °C		37700 psi
@Temperature 68.0 °F		10% set
 290 MPa
@Temperature -35.0 °C		42100 psi
@Temperature -31.0 °F		10% set
Fatigue Strength  75.0 MPa
@# of Cycles 5.00e+7 - 3.00e+8 		10900 psi
@# of Cycles 5.00e+7 - 3.00e+8
 76.0 MPa
@# of Cycles 1.00e+8 		11000 psi
@# of Cycles 1.00e+8 		rotating beam
 90.0 MPa
@# of Cycles 4.00e+6 - 2.50e+7 		13100 psi
@# of Cycles 4.00e+6 - 2.50e+7
 105 MPa
@# of Cycles 1.00e+6 - 1.00e+7 		15200 psi
@# of Cycles 1.00e+6 - 1.00e+7
 140 MPa
@# of Cycles 200000 - 700000 		20300 psi
@# of Cycles 200000 - 700000
 175 MPa
@# of Cycles 60000 - 100000 		25400 psi
@# of Cycles 60000 - 100000
Machinability 42 %42 %UNS C36000 (free-cutting brass) = 100%
 
Electrical PropertiesMetricEnglishComments
Electrical Resistivity 0.0000120 ohm-cm0.0000120 ohm-cm
Magnetic Permeability 1.01.0
 
Thermal PropertiesMetricEnglishComments
CTE, linear  16.7 µm/m-°C
@Temperature 100 °C		9.28 µin/in-°F
@Temperature 212 °F
 17.0 µm/m-°C
@Temperature 130 °C		9.44 µin/in-°F
@Temperature 266 °F
 17.3 µm/m-°C
@Temperature 160 °C		9.61 µin/in-°F
@Temperature 320 °F
 17.6 µm/m-°C
@Temperature 190 °C		9.78 µin/in-°F
@Temperature 374 °F
 17.7 µm/m-°C
@Temperature 215 °C		9.83 µin/in-°F
@Temperature 419 °F
 17.9 µm/m-°C
@Temperature 240 °C		9.94 µin/in-°F
@Temperature 464 °F
 18.0 µm/m-°C
@Temperature 450 °C		10.0 µin/in-°F
@Temperature 842 °F
 18.2 µm/m-°C
@Temperature 270 °C		10.1 µin/in-°F
@Temperature 518 °F
 18.3 µm/m-°C
@Temperature 295 °C		10.2 µin/in-°F
@Temperature 563 °F
 18.5 µm/m-°C
@Temperature 325 °C		10.3 µin/in-°F
@Temperature 617 °F
Specific Heat Capacity 0.376 J/g-°C0.0899 BTU/lb-°F
Thermal Conductivity  69.0 W/m-K
@Temperature 15.0 °C		479 BTU-in/hr-ft²-°F
@Temperature 59.0 °F
 70.0 W/m-K
@Temperature 20.0 °C		486 BTU-in/hr-ft²-°F
@Temperature 68.0 °F
 71.0 W/m-K
@Temperature 30.0 °C		493 BTU-in/hr-ft²-°F
@Temperature 86.0 °F
 72.0 W/m-K
@Temperature 65.0 °C		500 BTU-in/hr-ft²-°F
@Temperature 149 °F
 74.0 W/m-K
@Temperature 95.0 °C		514 BTU-in/hr-ft²-°F
@Temperature 203 °F
 77.0 W/m-K
@Temperature 125 °C		534 BTU-in/hr-ft²-°F
@Temperature 257 °F
 79.0 W/m-K
@Temperature 150 °C		548 BTU-in/hr-ft²-°F
@Temperature 302 °F
 82.0 W/m-K
@Temperature 175 °C		569 BTU-in/hr-ft²-°F
@Temperature 347 °F
 86.0 W/m-K
@Temperature 205 °C		597 BTU-in/hr-ft²-°F
@Temperature 401 °F
 87.0 W/m-K
@Temperature 235 °C		604 BTU-in/hr-ft²-°F
@Temperature 455 °F
Melting Point 315 °C599 °FIncipient
 825 - 990 °C1520 - 1810 °F
Solidus 825 °C1520 °F
Liquidus 990 °C1810 °F
Shrinkage 1.6 %1.6 %Patternmaker's Shrinkage (3/16 in./ft.)
 
Processing PropertiesMetricEnglishComments
Annealing Temperature 260 °C500 °FStress-Relieving Temperature
 
Component Elements PropertiesMetricEnglishComments
Antimony, Sb <= 0.25 %<= 0.25 %
Copper, Cu 86 - 90 %86 - 90 %
Iron, Fe <= 0.25 %<= 0.25 %
Lead, Pb 1.0 - 2.0 %1.0 - 2.0 %
Nickel, Ni <= 1.0 %<= 1.0 %
Phosphorus, P <= 0.050 %<= 0.050 %
Silicon, Si <= 0.0050 %<= 0.0050 %
Sulfur, S <= 0.050 %<= 0.050 %
Tin, Sn 5.5 - 6.5 %5.5 - 6.5 %
Zinc, Zn 3.0 - 5.0 %3.0 - 5.0 %

References for this datasheet.

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