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Now In: Wrought Alloys → C67500 Manganese Bronze
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    C67500 Manganese Bronze 
    ASTM B38, QQ-B-728

    TYPICAL USES FOR C67500 MANGANESE BRONZE

    • AUTOMOTIVE: Clutch Disks, Shafting, Pump Rods
    • FASTENERS: Bolts
    • INDUSTRIAL:  Valve Bodies, Balls, Valve Stems, Bushings, Aircraft Parts
    • MARINE: Hardware


    <<< SEE SIZES & SPECS BELOW >>



      
    CHEMICAL COMPOSITION


    		 Al Cu Fe Pb Mn Sn Zn
    Min/Max 0.25 57.0 - 60.0 0.80 - 2.0 0.2 0.05 - 0.50 0.50 - 1.5 Rem
    Nominals - 58.5000 1.4000 - 0.1000 1.0000 39.0000
    TEMPER

    Product Type Temper Type
    Bar ASTM B138, SAE J461, J463
    Bar, For ging ASTM B124
    Bolts ASTM F468
    Forgings, Die ASTM B283, SAE J463, J461
    Nuts ASTM F467
    Rod ASTM B138, SAE J463, J461
    Rod, Forging ASTM B124
    Screws ASTM F468
    Shapes ASTM B138, SAE J461, J463
    Shapes, Forging ASTM B124
    Studs ASTM F468
    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
    H01 2.01 68 72 42 - - - - - - - - - - 44 -
    H01 51 10 TYP 20 496 290 - - 27 77 - - - - - - 303 - 0
    O60 1 68 65 30 - - - - - - - - - - 42 -
    O60 25.4 0 TYP 20 448 207 - - 33 65 - - - - - - 290 - 0
    H02 1 68 84 60 - - - - - - - - - - 48 -
    H02 25.4 20 TYP 20 579 414 - - 19 90 - - - - - - 331 - 0
    H01 2.01 68 77 45 - - - - - - - - - - 47 -
    H01 51 10 TYP 20 531 310 - - 23 83 - - - - - - 324 - 0
    PHYSICAL PROPERTIES

    Product Property US Customary Metric
    Coefficient of Thermal Expansion 11.8 ·10-6 per oF (68-572 F) 21.2 ·10-6 per oC (20-300 C)
    Density 0.302 lb/in3 at 68 F 8.36 gm/cm3 @ 20 C
    Electrical Conductivity 24 %IACS @ 68 F 0.14 MegaSiemens/cm @ 20 C
    Electrical Resistivity 43.2 ohms-cmil/ft @ 68 F 7.18 microhm-cm @ 20 C
    Melting Point - Liquidus 1630 F 888 C
    Melting Point - Solidus 1590 F 866 C
    Modulas of Elasticity in Tension 15000 ksi 103400 MPa
    Modulus of Rigidity 5600 ksi 38610 MPa
    Specific Gravity 8.36 8.36
    Specific Heat Capacity 0.09 Btu/lb/oF at 68 F 377.1 J/kg/ · oK at 293 K
    Thermal Conductivity 61.0 Btu · ft/(hr · ft2·oF)at 68F 105.6 W/m · oK at 20 C
    FABRICATION

    Joining Technique Suitability
    Brazing Excellent
    Butt Weld Good
    Capacity for Being Cold Worked Poor
    Capacity for Being Hot Formed Excellent
    Coated Metal Arc Welding Not Recommended
    Forgeability 80
    Gas Shielded Arc Welding Fair
    Machinability Rating 30
    Oxyacetylene Welding Good
    Seam Weld Fair
    Soldering Excellent
    Spot Weld Good
    SPECIFICATIONS

    End Product Specification
    Bar ASTM B138, SAE J461, J463
    Bar, For ging ASTM B124
    Bolts ASTM F468
    Forgings, Die ASTM B283, SAE J463, J461
    Nuts ASTM F467
    Rod ASTM B138, SAE J463, J461
    Rod, Forging ASTM B124
    Screws ASTM F468
    Shapes ASTM B138, SAE J461, J463
    Shapes, Forging ASTM B124
    Studs ASTM F468