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Introduction to Copper and Copper Alloys

Introduction to Copper and Copper AlloysJames MichelManager, Technical ServicesCopper Development Association 20132 CDA Mission The Copper Development Association, Inc. is a not-for-profit trade association that provides technical, market development, education and support services for the Copper industry with a vision towards positively influencing the use of Copper and its Alloys in today s Celebrating 50 years of service to the Copper industry4 Introduction to Copper and Copper Alloys History Copper Properties Production Properties Alloy Families Typical Uses of Select Alloys Summary5 History Oldest metal Known to Man6 The name Copper The symbol Cu comes from cuprum (Latin)

§ Metals are made up of crystals § Deformation of the crystal structure causes internal stress § Internal stress in the crystals from rolling, drawing, etc. ... § C9xxxx Other alloys, including tin bronze, aluminum bronze, copper nickel. 29 Uses of Copper Alloys. 30 Typical Uses of C11000 - …

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Transcription of Introduction to Copper and Copper Alloys

1 Introduction to Copper and Copper AlloysJames MichelManager, Technical ServicesCopper Development Association 20132 CDA Mission The Copper Development Association, Inc. is a not-for-profit trade association that provides technical, market development, education and support services for the Copper industry with a vision towards positively influencing the use of Copper and its Alloys in today s Celebrating 50 years of service to the Copper industry4 Introduction to Copper and Copper Alloys History Copper Properties Production Properties Alloy Families Typical Uses of Select Alloys Summary5 History Oldest metal Known to Man6 The name Copper The symbol Cu comes from cuprum (Latin)

2 This is a foreshortened version of aescyprium( metal from Cyprus) In Greek, Copper was chalcos This period in time is the chalcolithic -means Copper - stone7 Periodic Table8 Symbol: Cu Atomic Number: 29 Atomic Weight: Standard state: solid at room temperature Color: Copper , metallic Properties: DuctileMalleable High thermal conductivityHigh electrical conductivityEasily alloyed Good corrosion resistance Readily availableHighly recyclable AntimicrobialCopper - Properties9 Copper Production10 Copper Production 11 Copper Production - Ores Two basic types of Copper ores: sulfide ores Bornite, chalcocite and chalcopyrite oxide ores Malachite, azurite and chrysocolla12 Copper Production and Recycling13 Copper Production and RecyclingCopper Production and RecyclingCopper Production and Recycling16 ReverberatoryMelting Furnace17 Electric Arc Melting Furnace TypesA continuous production process (top) vs.

3 A more conventional production process (bottom)19 Development of Properties20 Plastic Deformation and Temper Metals are made up of crystals Deformation of the crystal structure causes internal stress Internal stress in the crystals from rolling, drawing, etc. Temper is determined by processing parameters Annealing relieves stresses21 Plastic Deformation and Temper Polycrystalline Metals22 Plastic Deformation and Temper23 Plastic Deformation and Temper24 Copper Alloys 25 Copper Alloy Designations Unified Numbering System (UNS) Alloy Designations UNS System begun in 1974 Originally only 3 numbers for an alloy Now C plus 5 numbers Wrought and Cast Alloys are included CDA Administers UNS Copper Alloys System26 Copper AlloysZnNiSnAlTeBiSPbZnSeNiSnAsAlMnSbFeP SiAgPbCdSiAlSnAlCdMnOCrSiTiBeNiZrFeSnZnP CUC orrosion ResistanceMachinabilityColorWear ResistanceStrength27 Wrought Copper Alloy Families C100xx-C150xx Commercially Pure Cu C151xx-C199xxAge HardenableCu (w/ Cd, Be, Cr, Fe)

4 C2xxxxCu-Zn Alloys Brasses C3xxxxCu-Zn-Pballoys Leaded brasses C4xxxxCu-Zn-Snalloys Tin bronzes C5xxxxCu-Snand Cu-Sn-PbPhosphor bronze Alloys C6xxxxCu-Al and Cu-Si Bronzes C7xxxxCu-Ni Copper Nickel and Cu-Ni -Zn Nickel Silver28 Cast Copper Alloy Families C800xx-C811xx Commercially Pure Coppers C813xx-C828xx 95-99% Copper C833xx-C899xx Cu-Zn Alloys containing Sn, Pb, Mn, or Si C9xxxx Other Alloys , including tin bronze, aluminum bronze, Copper nickel29 Uses of Copper Alloys30 Typical Uses of C11000 - Copper Architectural building fronts, downspouts, flashing, gutters, roofing, screeningAutomotive gaskets, radiatorsElectrical bus bars, conductivity wire, contacts, radio parts, switches, terminalsHardware ball floats, butts, cotter pins, nails, rivets, soldering Copper , tacksMiscellaneous anodes, chemical process equipment, kettles, pans, printing rolls, rotating band, road bed expansion plates, vatsTypical Uses of C11000 - Copper 32 Typical Uses of C26000 - Cartridge Brass Architectural grillworkAutomotive radiator and heater cores and tanksElectrical flashlight shells, lamp fixtures, switches, reflectors, screw shells, socket shellsHardware eyelets, fasteners, grommets.

5 Finish hardware articles (kick plates, lock sets, push plates, etc.)Munitions ammunition componentsPlumbing plumbing accessories, plumbing brass goodsWire fasteners, pins, rivets, screws, springsTypical Uses of C26000 - Cartridge Brass 34 Typical Uses of C36000 - Free Machining Brass Hardware gears, pinionsIndustrial automatic high speed screw machine parts (screws, bolts, nuts, miscellaneous fasteners)Typical Uses of C36000 Free Machining Brass 36 Typical Uses of C51000 - Phosphor Bronze Architectural bridge bearing platesHardware beater bars, bellow, bourdon tubing, clutch disks, cotter pins, diaphragms, fuse clips, fasteners, lock washers, sleeve bushings, springs, switch parts, truss wire, wire brushesIndustrial chemical hardware, perforated sheets, textile machinery, welding rods37 Typical Uses of C51000 - Phosphor Bronze 38 Typical Uses of C70600 - Copper Nickel Industrial condensers, condenser plates, distiller tubes, evaporator and heat exchanger tubes, ferrules.

6 Salt water pipingTypical Uses of C70600 - Copper Nickel 40 Typical Uses of C75200 - Nickel Silver Hardware rivets, screws, table flat ware, truss wire, zippersMiscellaneous bows, camera parts, core bars, templesMiscellaneous base for silver plate, costume jewelry, etching stock, hollow ware, name plates, radio dialsTypical Uses of Nickel Silver C7520042 Overall Markets for Copper Materials432011 Consumption MarketsBuilding & General & billion million tonnes442011 Consumption ProductsWire & billion million tonnesFoundries & , Bar & Mechanical , Strip & you| Presentation title and date52 For more information please


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