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C91700 Nickel Tin Bronze (Nickel Gear Bronze)
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C91700 Nickel Tin Bronze (Nickel Gear Bronze)

Typical Uses for C91700 Nickel Tin Bronze (Nickel Gear Bronze):

INDUSTRIAL: Worm Wheels, Worm Gears, Conprise Gears, Heavy Load, Relatively Low Speed Bearings

Specifications

End Product Specification
Centrifugal ASTM B427
Ingot ASTM B30
Sand ASTM B427

Chemical Composition
Temper
Mechanical Properties
Physical Properties
Fabrication
Al Sb Cu Fe Pb Ni P Si S Sn Zn
Min/Max 0.005 0.2 84.0 - 87.0 0.2 0.25 1.2 - 2.0 0.3 0.005 0.05 11.3 - 12.5 0.25
Nominals - - 85.5000 - - 1.6000 - - - 11.9000 -
Product Type Temper Type
Centrifugal ASTM B427
Ingot ASTM B30
Sand ASTM B427
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 Centrifugal Cast
M02 68 60 32 - - - - - - - - - - - -
M02 0 TYP 20 414 221 - - 16 - - - - - 106 - - - 0
M02 68 50 28 - - - - - - - - - - - -
M02 0 SMIN 20 345 193 - - 12 - - - - - 95 - - - 0
As Permanent Mold Cast
M05 68 60 32 - - - - - - - - - - - -
M05 0 TYP 20 414 221 - - 16 - - - - - 106 - - - 0
As Sand Cast
M01 68 44 22 - - - - - - - - - - - -
M01 0 TYP 20 303 152 - - 16 - - - - - 85 - - - 0
M01 68 35 17 - - - - - - - - - - - -
M01 0 SMIN 20 241 117 - - 10 - - - - - 65 - - - 0
Product Property US Customary Metric
Coefficient of Thermal Expansion 9.0 . 10-6 per oF (68-392 F) 16.2 . 10-6 per oC (20-200 C)
Density 0.316 lb/in3 at 68 F 8.75 gm/cm3 @ 20 C
Electrical Conductivity 10 %IACS @ 68 F 0.058 MegaSiemens/cm @ 20 C
Electrical Resistivity 103.7 ohms-cmil/ft @ 68 F 17.24 microhm-cm @ 20 C
Magnetic Permeability 1 1
Melting Point - Liquidus 1859 F 1015 C
Melting Point - Solidus 1563 F 851 C
Modulas of Elasticity in Tension 15000 ksi 103400 MPa
Specific Gravity 8.75 8.75
Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg . oK at 293 K
Thermal Conductivity 40.8 Btu . ft/(hr . ft2 . oF)at 68F 70.6 W/m . oK at 20 C
Joining Technique Suitability
Brazing Good
Coated Metal Arc Welding Fair
Gas Shielded Arc Welding Fair
Machinability Rating 10
Oxyacetylene Welding Fair
Soldering Excellent

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