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Now In: Cast Alloys → C99500 NBM Stem Bronze - "Lead Free"
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    C99500 NBM Stem Bronze - "Lead Free"     

    TYPICAL USES FOR C99500 NBM STEM BRONZE

    • ELECTRICAL: Electrical Parts
    • INDUSTRIAL: Valve Stems, Gears for Mining Equipment, Propeller Wheels
    • MARINE: Outboard Marine Components

     <<< SEE SIZES & SPECS BELOW >>



      
    CHEMICAL COMPOSITION


    		 Al Cu Fe Pb Mn Ni Si Zn
    Min/Max .50-2.0 Rem. 3.0-5.0 0.25 0.5 3.5-5.50 .50-2.0 .50-2.0
    Nominals 1.3000 88.9000 4.0000 - - 4.5000 1.3000 1.3000
    TEMPER

    Product Type Temper Type
    Continuous ASTM B505
    Ingot ASTM B30
    Sand ASTM B763
    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
    PHYSICAL PROPERTIES

    Product Property US Customary Metric
    Coefficient of Thermal Expansion 8.3 ·10-6 per oF (68-572 F) 14.9 ·10-6 per oC (20-300 C)
    Density 0.3 lb/in3 at 68 F 8.3 gm/cm3 @ 20 C
    Electrical Conductivity 10 %IACS @ 68 F 0.057 MegaSiemens/cm @ 20 C
    Electrical Resistivity 71.0 ohms-cmil/ft @ 68 F 11.64 microhm-cm @ 20 C
    Modulas of Elasticity in Tension 19000 ksi 131000 MPa
    Specific Gravity 8.3 8.3
    FABRICATION

    Joining Technique Suitability
    Gas Shielded Arc Welding Good
    Machinability Rating 50
    SPECIFICATIONS

    End Product Specification
    Continuous ASTM B505
    Ingot ASTM B30
    Sand ASTM B763