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C92700 Leaded Tin Bronze
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C92700 Leaded Tin Bronze

Typical Uses for C92700 Leaded Tin Bronze:

FASTENERS: Lead Screw Nuts

INDUSTRIAL: Pump Pistons, Steam Fittings, Bushings, Gears, Pump Impellers, Heavy Duty Bearings, Bearings

Chemical Composition
Temper
Mechanical Properties
Physical Properties
Fabrication
Specifications
Al Sb Cu Fe Pb Ni P Si S Sn Zn
Min/Max 0.005 0.25 86.0 - 89.0 0.2 1.0 - 2.5 1 0.25 0.005 0.05 9.0 - 11.0 0.7
Nominals - - 87.5000 - 1.8000 - - - - 10.0000 -
Product Type Temper Type
Continuous ASTM B505, B505, SAE J461, J462
Ingot ASTM B30, B30
Sand SAE J462, J461
Temper Sect. Size Cold Work Type Min Temp Tensile Strength YS
0.05% UL 		YS
0.02% Offset 		YS
0.005% Offset 		Elong. RH
B 		RH
C 		RH
F 		RH
30T 		VH
500 		BH
500 		BH
3000 		Shear
Strgth 		Fatigue
Strgth 		Izod
Impact
Strgth
- in. % - F ksi ksi ksi ksi % B C F 30T 500 500 3000 ksi ksi ft-lb
- mm. - - C MPa MPa MPa MPa - - - - - - - - MPa MPa J
As Continous Cast
M07 68 38 20 - - - - - - - - - - - -
M07 0 SMIN 20 262 138 - - 8 - - - - - - - - - 0
As Sand Cast
M01 68 42 21 - - - - - - - - - - - - 7
M01 0 TYP 20 290 145 - - 20 - - 78 - - 77 - - - 9
Product Property US Customary Metric
Coefficient of Thermal Expansion 10.0 . 10-6 per oF (68-392 F) 18.0 . 10-6 per oC (20-200 C)
Density 0.317 lb/in3 at 68 F 8.78 gm/cm3 @ 20 C
Electrical Conductivity 11 %IACS @ 68 F 0.064 MegaSiemens/cm @ 20 C
Electrical Resistivity 94.0 ohms-cmil/ft @ 68 F 15.63 microhm-cm @ 20 C
Incipient Melting 600 oF 315 C
Melting Point - Liquidus 1800 F 982 C
Melting Point - Solidus 1550 F 843 C
Modulas of Elasticity in Tension 16000 ksi 110000 MPa
Specific Gravity 8.78 8.78
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg . oK at 293 K
Thermal Conductivity 27.2 Btu . ft/(hr . ft2 . oF)at 68F 47.0 W/m . oK at 20 C
Joining Technique Suitability
Brazing Good
Coated Metal Arc Welding Not Recommended
Gas Shielded Arc Welding Not Recommended
Machinability Rating 45
Oxyacetylene Welding Not Recommended
Soldering Excellent
End Product Specification
Continuous ASTM B505, B505, SAE J461, J462
Ingot ASTM B30, B30
Sand SAE J462, J461

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