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You are at: Products → Brass Alloys → C36000 (CDA 360 / CuZn36Pb3) - Free Machining Brass / Free Cutting Brass
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    C36000 Free Machining Brass / Free Cutting Brass is ideally suited for high speed machining operations with its superior machinability, thread rolling and knurling characteristics. Its machinability rating of 100 is standard against which all other copper alloys are rated. It is easily soldered or brazed and has good resistance to corrosion.

    TYPICAL USES FOR C36000 (CDA 360 / CuZn36Pb3) - FREE MACHINING BRASS

    • ARCHITECTURE: Terrazzo Strip
    • AUTOMOTIVE: Sensor Bodies, Threaded Inserts for Plastic, Fluid Connectors, Thermostat Parts
    • BUILDERS HARDWARE: Lock Bodies, Hardware, Fittings
    • CONSUMER: Hot Combs (to Straighten Hair)
    • FASTENERS: Bolts, Nuts, Screws
    • INDUSTRIAL: Faucet Components, Pneumatic Fittings, Fluid Connectors, Automatic Screw Machine Parts, Unions, Adapters, Screw Machine Products, Gauges, Valve Seats, Valve Trim, Valve Stems, Nozzles, Pinions, Gears
    • PLUMBING: Plumbers' Brass Goods, Faucet Stems, Faucet Seats, Plumbing Fittings

    Click Here to Download C36000 SPEC SHEET

    <<< SEE SIZES & SPECS BELOW >>



      
    CHEMICAL COMPOSITION


    		 Cu Fe Pb Zn
    Min/Max 60.0 - 63.0 0.35 2.5 - 3.7 Rem
    Nominals 61.5000 - 3.1000 35.4000
    TEMPER

    Product Type Temper Type
    Bar AMS 4610, ASTM B16, SAE J461, J463
    Rod AMS 4610, ASTM B16, SAE J461, J463
    Shapes ASTM B16, SAE J461, J463
    Valves MILITARY MIL-V-18436
    Wire ASTM B16
    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
    BAR
    H02 <0.5 68 50 25 - - - - - - - - - - - -
    H02 <12.7 0 SMIN 20 345 170 - - 10 - - - - - - - - - 0
    O60 1.5 68 40 15 - - - - - - - - - - - -
    O60 38.1 0 SMIN 20 275 105 - - 25 - - - - - - - - - 0
    H02 1.5 68 - - - - - - - - - - - - -
    H02 38.1 0 TYP 20 - - - - 60 - - - - - - - - 0
    H02 <0.5 68 - - - - - - - - - - - - -
    H02 <12.7 0 TYP 20 - - - - 65 - - - - - - - - 0
    O60 <1 68 44 18 - - - - - - - - - - - -
    O60 <25.4 0 SMIN 20 305 125 - - 20 - - - - - - - - -
    H02 3 68 40 15 - - - - - - - - - - - -
    H02 76.2 0 SMIN 20 275 105 - - 20 - - - - - - - - - 0
    H02 1.5 68 45 17 - - - - - - - - - - - -
    H02 38.1 0 SMIN 20 310 115 - - 15 - - - - - - - - - 0
    O60 1.5 68 - - - - - - - - - - - - -
    O60 38.1 0 TYP 20 - - - - 22 - - - - - - - - 0
    FLAT PRODUCTS
    H02 0.19 68 56 45 - - - - - - - - - - 33 -
    H02 4.76 11 TYP 20 386 310 - - 20 62 - - - - - - 228 - 0
    ROD
    H04 0.5 68 70 35 - - - - - - - - - - - -
    H04 12.7 0 SMIN 20 480 240 - - 4 - - - - - - - - - 0
    H02 0.75 68 55 25 - - - - - - - - - - 34 -
    H02 19.1 0 SMIN 20 380 170 - - 10 - - - - - - - 234 - 0
    H02 3 68 - - - - - - - - - - - - -
    H02 76.2 0 TYP 20 - - - - 55 - - - - - - - - 0
    O60 <1 68 - - - - - - - - - - - 30 -
    O60 <25.4 0 TYP 20 - - - - 28 - - - - - - 207 - 0
    H04 0.25 68 80 45 - - - - - - - - - - - -
    H04 6.35 0 SMIN 20 550 310 - - - - - - - - - - - - 0
    O60 2.5 68 6 2 - - - - - - - - - - - -
    O60 63.5 0 SMIN 20 40 15 - - 25 - - - - - - - - - 0
    H02 0.5 68 57 25 - - - - - - - - - - - -
    H02 12.7 0 TYP 20 395 170 - - 7 - - - - - - - - - 0
    H02 4.5 68 40 15 - - - - - - - - - - - -
    H02 114.3 0 SMIN 20 275 105 - - 20 25 - - - - - - - - 0
    H04 0.25 68 - - - - - - - - - - - 38 -
    H04 6.35 0 TYP 20 - - - - 80 - - - - - - 262 - 0
    H02 1.5 68 50 20 - - - - - - - - - - - -
    H02 38.1 0 SMIN 20 345 140 - - 15 - - - - - - - - - 0
    O60 <1 68 48 18 - - - - - - - - - - - -
    O60 <25.4 0 SMIN 20 330 124 - - 15 - - - - - - - - - 0
    H02 1.5 68 - - - - - - - - - - - - -
    H02 38.1 0 TYP 20 - - - - 65 - - - - - - - - 0
    H04 0.5 68 - - - - - - - - - - - - -
    H04 12.7 0 TYP 20 - - - - 78 - - - - - - - - 0
    H02 0.75 68 - - - - - - - - - - - - -
    H02 19.1 0 MIN 20 - - - - 70 - - - - - - - - 0
    H04 0.63 68 65 30 - - - - - - - - - - - -
    H04 15.9 0 SMIN 20 450 205 - - 6 - - - - - - - - - 0
    H02 3 68 45 15 - - - - - - - - - - - -
    H02 76.2 0 SMIN 20 310 105 - - 20 - - - - - - - - - 0
    O60 1.5 68 44 3 - - - - - - - - - - - -
    O60 38.1 0 SMIN 20 305 18 - - 20 - - - - - - - - - 0
    H02 0.5 68 - - - - - - - - - - - 32 20
    H02 12.7 0 TYP 20 - - - - 65 - - - - - - 221 138 0
    SHAPES
    H01 0.5 68 56 45 - - - - - - - - - - 33 -
    H01 12.7 11 TYP 20 386 310 - - 20 62 - - - - - - 228 - 0
    M30 0.5 68 49 18 - - - - - - - - - - 30 -
    M30 12.7 0 TYP 20 338 124 - - 50 - - 68 - - - - 207 - 0
    PHYSICAL PROPERTIES

    Product Property US Customary Metric
    Coefficient of Thermal Expansion 11.4 ·10-6 per oF (68-572 F) 20.5 ∙ 10 6ֿ per ˚C (20-300 C)
    Density 0.307 lb/in3 @ 68 F 8.5 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 14000 ksi 96500 MPa
    Modulas of Rigidity 5300 ksi 36500 MPa
    Specific Gravity 8.5 8.5
    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 Fair
    Capacity for Being Hot Formed Fair
    Coated Metal Arc Welding Not Recommended
    Gas Sheilded Arc Welding Not Recommended
    Machinability rating 100
    Oxyacetylene Welding Not Recommended
    Seam Weld Not Recommended
    Soldering Excellent
    Spot Weld Not Recommended
    SPECIFICATIONS

    End Product Specification
    Bar AMS 4610, ASTM B16, SAE J461, J463
    Rod AMS 4610, ASTM B16, SAE J461, J463
    Shapes ASTM B16, SAE J461, J463
    Valves MILITARY MIL-V-18436
    Wire ASTM B16
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