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You are at: Products → Brass Alloys → C48500 Naval Brass "High Leaded"
  • Diameter
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    C48500 Naval Brass "High Leaded"
    ASTM B21, AMS 4611

    High ductility, high electrical and thermal conductivity, high impact strength, good creep resistance, ease of welding, and low volatility under high vacuum.

    TYPICAL USES FOR C48500 NAVAL BRASS "HIGH LEADED"

    • FASTENERS: Fasteners
    • INDUSTRIAL: Valve Stems, Light Bearings, Gears, Screw Machine Parts
    • MARINE: Marine Hardware, Seawater Valve Stems

     
    <<< SEE SIZES & SPECS BELOW >>



      
    CHEMICAL COMPOSITION


    		 Cu Fe Pb Sn Zn
    Min/Max 59.0 - 62.0 0.1 1.3 - 2.2 0.5 - 1.0 Rem
    Nominals 60.5000 - 1.8000 0.7000 37.5000
    TEMPER

    Product Type Temper Type
    Bar ASTM B21, FEDERAL QQ-B-639
    Bar, Forging ASTM B124
    Forgins, Die ASTM B283
    Plate FEDERAL QQ-B-639
    Rod ASTM B21
    Rod, Forging ASTM B124
    Shapes ASTM B21
    Shapes, Forging ASTM B124
    Sheet FEDERAL QQ-B-639
    Strip FEDERAL QQ-B-639
    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
    O60 1 68 57 25 - - - - - - - - - - 36 -
    O60 25.4 0 TYP 20 393 172 - - 40 55 - - - - - - 248 - 0
    H01 1 68 69 46 - - - - - - - - - - 39 -
    H01 25.4 8 TYP 20 476 317 - - 20 78 - - - - - - 269 - 0
    H02 1 68 75 53 - - - - - - - - - - 40 -
    H02 25.4 20 TYP 20 517 365 - - 15 82 - - - - - - 276 - 0
    PHYSICAL PROPERTIES

    Product Property US Customary Metric
    Coefficient of Thermal Expansion 11.8 ·10-6 per oF (68-572 F) 21.2 ∙ 10 6ֿ per ˚C (20-300 C)
    Density 0.305 lb/in3 @ 68 F 8.44 gm/cm3 @ 20 C
    Electrical Conductivity 26 %IACS @ 68 F 0.152 MegaSiemens/cm @ 20 C
    Electrical Resistivity 39.9 ohms-cmil/ft @ 68 F 6.63 microhm-cm @ 20 C
    Melting Point Liquid US 1650 F 899 C
    Melting Point Solid US 1630 F 888 C
    Modulas of Elasticity in Tension 15000 ksi 103400 MPa
    Modulas of Rigidity 5600 ksi 38610 MPa
    Specific Gravity 8.44 8.44
    Specific Heat Capacity 0.09 Btu/lb/˚F @ 68 F 377.1 J/kg ∙ ˚K at 293 K
    Thermal Conductivity 67.0 Btu ∙ ft/(hr ∙ ft2 ∙˚F) @ 68 F 116.0 W/m ∙ ˚K at 20 C
    FABRICATION

    Joining Technique Suitability
    Brazing Good
    Butt Weld Fair
    Capacity for Being Cold Worked Poor
    Capacity for Being Hot Formed Good
    Coated Metal Arc Welding Not Recommended
    Forgeability Rating 90
    Gas Sheilded Arc Welding Not Recommended
    Machinability rating 70
    Oxyacetylene Welding Not Recommended
    Seam Weld Not Recommended
    Soldering Excellent
    Spot Weld Not Recommended
    SPECIFICATIONS

    End Product Specification
    Bar ASTM B21, FEDERAL QQ-B-639
    Bar, Forging ASTM B124
    Forgins, Die ASTM B283
    Plate FEDERAL QQ-B-639
    Rod ASTM B21
    Rod, Forging ASTM B124
    Shapes ASTM B21
    Shapes, Forging ASTM B124
    Sheet FEDERAL QQ-B-639
    Strip FEDERAL QQ-B-639
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