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    C86300 Manganese Bronze "SAE 430 B"
    ASTM B505, SAE 430B

    C86300 continuous cast manganese bronze is a high strength, non-heat treatable copper alloy intended for use in applications requiring a good combination of outstanding wear characteristics and high bearing strength for heavy loads and slow speeds. Typical applications include slow speed heavy duty load bearings, gears, cams and hydraulic cylinder parts. Conforms to continuous cast specification ASTM B 505.

    Typical Uses for C86300 Manganese Bronze "SAE 430 B":
    • BUILDERS HARDWARE: Brackets
    • ELECTRICAL: Electrical Components, Switches
    • FASTENERS: Screw Down Nuts, Screw Down Nuts
    • INDUSTRIAL: Wear Rings for Forming Dies for Wood Pulp Industry, Large Valve Stems, Hydraulic Cylinder Parts, Propellers, Bridge Pins, Forming Dies for Wood Pulp Industry, Cams, Gib, Gears, Hydraulic Cylinder Parts, Slow Speed, Heavy Load Bearings, Bushings, High Strength Machine Parts, Hooks, Frames, Struts
    • MARINE: Marine Hardware, Rudders, Covers for Marine Hardware, Clamps, Boat Parts

    Click Here to Download C86300 Manganese Bronze "SAE 430 B" SPEC SHEET

    << SEE SIZES & SPECS BELOW >>



      
    CHEMICAL COMPOSITION


    Al Cu Fe Pb Mn Ni Sn Zn
    Min/Max 5.0 - 7.5 60.0 - 66.0 2.0 - 4.0 0.2 2.5 - 5.0 1 0.2 22.0 - 28.0
    Nominals 6.2000 63.0000 3.0000 - 3.7000 - - 25.0000
    TEMPER

    Product Type Temper Type
    Centrifugal AMS 4862, ASTM B271, SAE J462, J461
    Continuous ASTM B505
    Ingot ASTM B30, FEDERAL QQ-C-523
    Precision MILITARY MIL-C-11866
    Sand AMS 4862, ASTM B763, B584, B22, SAE J462, J461
    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 68 110 60 - - - - - - - - - - - -
    M02 0 SMIN 20 758 414 - - 12 - - - - - - - - - 0
    As Continous Cast
    M07 68 110 62 - - - - - - - - - - - -
    M07 0 SMIN 20 758 427 - - 14 - - - - - - - - - 0
    As Sand Cast
    M01 68 110 60 - - - - - - - - - - - -
    M01 0 SMIN 20 760 415 - - 12 - - - - - 223 - - - 0
    M01 68 119 62 - - - - - - - - - - - 4 11
    M01 0 TYP 20 821 427 - - 18 - - - - - 225 - - 25 15
    PHYSICAL PROPERTIES

    Product Property US Customary Metric
    Coefficient of Thermal Expansion 12.0 ·10-6 per oF (68-572 F) 21.6 ·10-6 per oC (20-200 C)
    Density 0.283 lb/in3 at 68 F 7.83 gm/cm3 @ 20 C
    Electrical Conductivity 8.0 %IACS @ 68 F 0.0746 MegaSiemens/cm @ 20 C
    Electrical Resistivity 130.8 ohms-cmil/ft @ 68 F 21.74 Microhm-cm @ 20 C
    Magnetic Permeability 1.09 1.09
    Melting Point - Liquidus 1693 F 923 C
    Melting Point - Solidus 1625 F 885 C
    Modulas of Elasticity in Tension 14200 ksi 97900 MPa
    Specific Gravity 7.83 7.83
    Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg · oK at 293 K
    Thermal Conductivity 20.5 Btu · ft/(hr · ft2·oF)at 68F 35.5 W/m · oK at 20 C
    FABRICATION

    Joining Technique Suitability
    Brazing Poor
    Coated Metal Arc Welding Good
    Gas Shielded Arc Welding Poor
    Machinability Rating 8
    Oxyacetylene Welding Poor
    Soldering Poor
    SPECIFICATIONS

    End Product Specification
    Centrifugal AMS 4862, ASTM B271, SAE J462, J461
    Continuous ASTM B505
    Ingot ASTM B30, FEDERAL QQ-C-523
    Precision MILITARY MIL-C-11866
    Sand AMS 4862, ASTM B763, B584, B22, SAE J462, J461
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