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You are at: Products → Bronze Alloys → 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

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

     <<< SEE SIZES & SPECS BELOW >>



      
    CHEMICAL COMPOSITION


    		 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 -
    TEMPER

    Product Type Temper Type
    Centrifugal ASTM B427
    Ingot ASTM B30
    Sand ASTM B427
    MECHANICAL PROPERTIES

    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
    PHYSICAL PROPERTIES

    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
    FABRICATION

    Joining Technique Suitability
    Brazing Good
    Coated Metal Arc Welding Fair
    Gas Shielded Arc Welding Fair
    Machinability Rating 10
    Oxyacetylene Welding Fair
    Soldering Excellent
    SPECIFICATIONS

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