Find suppliers for this alloyC28000
Chemical Composition
Element
Cu(1)PbZnFe
(1) Cu + Sum of Named Elements 99.7% min.
Min (%)59.0
Max (%)63.00.09Rem0.07
Mechanical Properties*
Form
Temper
Temper Code
Tensile Strength
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale
Rockwell F scale
Rockwell 30T scale
Shear Strength
(ksi)
Torsion Modulus
(ksi)
Ultimate Tensile Strength in Shear
(ksi)
Section Size
(in)
Cold Work
(%)
Flat Products1/2 HardH0270   Typ
50   Typ
10   Typ
75   Typ
67   Typ
44   Typ
0.04
1/8 HardH0060   Typ
35   Typ
30   Typ
55   Typ
54   Typ
42   Typ
0.04
As Hot RolledM2054   Typ
21   Typ
45   Typ
85   Typ
49   Typ
40   Typ
0.04
Soft AnnealO6054   Typ
21   Typ
45   Typ
80   Typ
46   Typ
40   Typ
0.04
Flat Products & RodAnnealedO6154   Typ
21   Typ
45   Typ
40   Typ
0.04
O6154   Typ
21   Typ
50   Typ
40   Typ
1
Rod1/4 HardH0172   Typ
50   Typ
25   Typ
78   Typ
5.7   Typ
45   Typ
1
As Hot ExtrudedM3052   Typ
20   Typ
52   Typ
78   Typ
39   Typ
1
Soft AnnealO6054   Typ
21   Typ
50   Typ
80   Typ
40   Typ
1
TubeHardH0474   Typ
55   Typ
10   Typ
80   Typ
30
Light AnnealO5056   Typ
23   Typ
50   Typ
82   Typ
47   Typ
* Measured at room temperature, 68°F (20°C).
Physical Properties
Melting Point - Liquidus°F1660
Melting Point - Solidus°F1650
Densitylb/cu in. at 68°F0.303
Specific Gravity8.39
Electrical Conductivity% IACS at 68°F28
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F71
Coefficient of Thermal Expansion 68-57210⁻⁶ per °F (68 – 572°F)11.6
Specific Heat CapacityBtu/ lb /°F at 68°F0.09
Modulus of Elasticity in Tensionksi15000
Modulus of Rigidityksi5600
Fabrication Properties
Technique Suitability
SolderingExcellent
BrazingExcellent
Oxyacetylene WeldingGood
Gas Shielded Arc WeldingFair
Coated Metal Arc WeldingNot Recommended
Spot WeldGood
Seam WeldNot Recommended
Butt WeldGood
Capacity for Being Cold WorkedFair
Capacity for Being Hot FormedExcellent
Forgeability Rating90
Machinability Rating40
Common Fabrication Processes
  • Blanking
  • Forming and Bending
  • Hot Forging and Pressing
  • hot heading and upsetting
  • Shearing
    
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing8001100
Hot Treatment11501450
Typical uses
Product Category Product Reason Category Reason
ArchitectureArchitectural PanelsAppearanceAppearance
Architectural PanelsForming CharacteristicsFormability
DecorationAppearanceAppearance
DecorationCorrosion ResistanceCorrosion Resistance
DecorationMechanical PropertiesModerate Strength
Door FramesAppearanceColor
Door FramesMechanical PropertiesModerate Strength
HardwareAppearanceAppearance
HardwareCorrosion ResistanceCorrosion Resistance
HardwareForming CharacteristicsFormability
HardwareMachining CharacteristicsMachinability
HardwareMechanical PropertiesHigh Strength
Large Architectural TrimAppearanceAppearance
Large Architectural TrimForming CharacteristicsFormability
Large SheetsAppearanceAppearance
Large SheetsForming CharacteristicsFormability
Large SheetsMechanical PropertiesModerate Strength
SheetAppearanceColor
SheetCorrosion ResistanceCorrosion Resistance
SheetMechanical PropertiesHigh Strength
Structural, Heavy PlateCorrosion ResistanceCorrosion Resistance
Structural, Heavy PlateMechanical PropertiesHigh Strength
Builders HardwareDecorative HardwareAppearanceAppearance
Decorative HardwareCorrosion ResistanceCorrosion Resistance
Decorative HardwareForming CharacteristicsFormability
Decorative HardwareMachining CharacteristicsMachinability
Decorative HardwareMechanical PropertiesHigh Strength
FastenersBoltsCorrosion ResistanceCorrosion Resistance
BoltsForming CharacteristicsFormability
BoltsMachining CharacteristicsMachinability
BoltsMechanical PropertiesHigh Strength
IndustrialBrazing RodBrazing CharacteristicsBrazability
Condenser PlatesCorrosion ResistanceCorrosion Resistance
Condenser PlatesCorrosion ResistanceCorrosion Resistance to Fresh Water
Condenser PlatesCorrosion ResistanceCorrosion Resistance to Salt Water
Condenser PlatesForming CharacteristicsFormability
Condenser PlatesMechanical PropertiesModerate Strength
Condenser TubeConductivity (Thermal)Thermal Conductivity
Condenser TubeCorrosion ResistanceCorrosion Resistance
Evaporator TubesConductivity (Thermal)Thermal Conductivity
Evaporator TubesCorrosion ResistanceCorrosion Resistance
Evaporator TubesForming CharacteristicsFormability
Evaporator TubesMechanical PropertiesModerate Strength
Heat Exchanger TubeConductivity (Thermal)Thermal Conductivity
Heat Exchanger TubeCorrosion ResistanceCorrosion Resistance
Heat Exchanger TubeMechanical PropertiesModerate to High Strength
Hot ForgingsCorrosion ResistanceCorrosion Resistance
Hot ForgingsForming CharacteristicsFormability
Hot ForgingsMechanical PropertiesModerate Strength
Large Nuts and BoltsCorrosion ResistanceCorrosion Resistance
Large Nuts and BoltsForging CharacteristicsHot Forgability
Large Nuts and BoltsMechanical PropertiesModerate Strength
Valve StemsCorrosion ResistanceCorrosion Resistance
Valve StemsForming CharacteristicsFormability
Valve StemsMachining CharacteristicsMachinability
Valve StemsMechanical PropertiesHigh Strength
Applicable Specifications
Form Sub-Form Specific Sub-Form Application System Standard Description
BarASTMB36/B36MBRASS PLATE, SHEET, STRIP AND ROLLED BAR
PlateASTMB36/B36MBRASS PLATE, SHEET, STRIP AND ROLLED BAR
SheetASTMB36/B36MBRASS PLATE, SHEET, STRIP AND ROLLED BAR
StripASTMB36/B36MBRASS PLATE, SHEET, STRIP AND ROLLED BAR
TubeCondenser TubeASMESB111COPPER AND COPPER ALLOY SEAMLESS CONDENSER TUBES & FERRULE STOCK
Condenser TubeASTMB111/B111MCOPPER AND COPPER ALLOY SEAMLESS CONDENSER TUBES AND FERRULE STOCK
SeamlessASTMB135Tube, Seamless
Seamless (Metric)ASTMB135MSeamless Brass Tube (Metric)
SeamlessFEDERALWW-T-791TUBING: BRASS, SEAMLESS
Corrosion Properties
Environmental Category Specific Environment Resistance Level Corrosion notes
ExcellentResistant at cryogenic and room temperatures
AlkaliAluminum HydroxideExcellentCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
Ammonium HydroxidePoorReduced corrosion resistance due to soluble complex ion formation
Barium CarbonateExcellentCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
Barium HydroxideGoodCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
Black Liquor, Sulfate ProcessPoorSevere dezincification
Calcium HydroxideGoodCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
LimeExcellentCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
Lime-SulfurGoodCorrosion rate increases at elevated temperatures or with traces of moisture
Magnesium HydroxideExcellentCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
Potassium CarbonateGoodCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
Potassium HydroxideFairSusceptible to dezincification.
Sodium BicarbonateFairSusceptible to dezincification.
Sodium CarbonateGoodCorrosion increases at elevated temperatures and in presence of oxidizers such as chromates or hypochlorates
Sodium HydroxideFairSusceptible to dezincification.
Sodium PhosphateGood
Sodium SilicateGoodSusceptible to dezincification.
Sodium SulfideGoodCorrosion rate increases at elevated temperatures or with traces of moisture
AtmosphereAtmosphere, IndustrialGoodAffected by pollutants and other environmental factors. Hydrogen sulfide causes rapid tarnishing. Sulfur dioxide, nitrogen oxides and ammonia may cause stress corrosion cracking.
Atmosphere, MarineGoodProtective green basic copper chloride or carbonate patina. Sulfur dioxide, nitrogen oxides and ammonia may cause stress corrosion cracking.
Atmosphere, RuralExcellentLow corrosion rates, no localized attack
Chlor. organicCarbon Tetrachloride, DryExcellentSusceptible to dezincification.
Carbon Tetracholoride, MoistPoorSevere dezincification
Chloroform, DryExcellentCorrosion rate increases at elevated temperatures or with traces of moisture
Ethyl ChlorideFairSusceptible to dezincification.
Methyl Chloride, DryExcellentCorrosion rate increases at elevated temperatures or with traces of moisture
Trichlorethylene, DryExcellentCorrosion rate increases at elevated temperatures or with traces of moisture
Trichlorethylene, MoistFairSusceptible to dezincification.
Fatty acidOleic AcidFairSusceptible to dezincification.
Palmitic AcidFairSusceptible to dezincification.
Stearic AcidFairSusceptible to dezincification.
Food/beverageBeerGoodSusceptible to dezincification.
Beet Sugar SyrupsGoodSusceptible to dezincification.
Cane Sugar SyrupsGoodSusceptible to dezincification.
Carbonated BeveragesFairSusceptible to dezincification.
Carbonated WaterFairSusceptible to dezincification.
CiderFairSusceptible to dezincification.
CoffeeExcellentSusceptible to dezincification.
Corn OilGoodSusceptible to dezincification.
Cottonseed OilGoodSusceptible to dezincification.
Fruit JuicesPoorSusceptible to dezincification.
GelatineExcellentSusceptible to dezincification.
MilkGoodSusceptible to dezincification.
Sugar SolutionsGoodSusceptible to dezincification.
VinegarPoorSusceptible to dezincification.
GasAmmonia, Absolutely DryExcellentRapid corrosion increases with traces of moisture
Ammonia, MoistPoorMore corrosion resistant in dry gas
Carbon Dioxide, DryExcellentCorrosion increases with trace of moisture
Carbon Dioxide, MoistFairMore corrosion resistant in dry gas
HydrogenExcellentCopper and copper alloys containing copper oxide susceptible to attack
OxygenExcellentScaling at elevated temperatures
Halogen gasBromine, DryExcellentRapid corrosion increases with traces of moisture
Bromine, MoistPoorMore corrosion resistant in dry gas
Chlorine, DryExcellentRapid corrosion increases with traces of moisture
Chlorine, MoistPoorMore corrosion resistant in dry gas
HydrocarbonAcetyleneExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
AsphaltExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
BenzineExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
BenzolExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
ButaneExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
CreosoteGoodContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
Crude OilFairCareful consideration must be given to specific contaminants when selecting materials for this complex environment
FreonExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
Fuel OilGoodContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
GasolineExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
Hydrocarbons, PureExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
KeroseneExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
Natural GasExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
ParaffinExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
PropaneExcellentContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
TarNot RecommendedContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
TurpentineGoodContaminants such as water, sulfides, acids and various organic compounds can increase corrosion significantly
Inorg. acid non-ox.Boric AcidGoodSusceptible to dezincification.
Carbolic AcidGoodSusceptible to dezincification.
Hydrobromic AcidPoorSusceptible to dezincification.
Hydrochloric AcidPoorSusceptible to dezincification.
Hydrocyanic AcidPoorReduced corrosion resistance due to soluble complex ion formation
Hydrofluoric AcidPoorSusceptible to dezincification.
Hydrofluosilicic AcidPoorSusceptible to dezincification.
Phosphoric AcidPoorSusceptible to dezincification.
Sulfuric AcidPoorNot suitable for hot concentrated solutions
Inorg. acid ox.Chromic AcidPoorSevere oxidizing environment.
Nitric AcidPoorSevere oxidizing environment.
Sulfurous AcidPoorSusceptible to dezincification.
Liquid metalMercuryPoorSevere liquid metal embrittlement
MiscellaneousGlueGoodLow corrosion rates, no localized attack
Linseed OilGoodLow corrosion rates, no localized attack
RosinExcellentLow corrosion rates, no localized attack
SewageFairSusceptible to dezincification.
Soap SolutionsGoodDezincification may occur.
VarnishExcellentLow corrosion rates, no localized attack
Neutral/acid saltAlumPoor
AluminaExcellentLow corrosion rates, no localized attack
Aluminum ChloridePoorSevere dezincification
Aluminum SulfatePoorSusceptible to dezincification.
Ammonium ChloridePoorReduced corrosion resistance due to soluble complex ion formation
Ammonium SulfatePoorReduced corrosion resistance due to soluble complex ion formation
Barium ChloridePoorSevere dezincification
Barium SulfateExcellentLow corrosion rates, no localized attack
Barium SulfideGoodCorrosion affected by salt concentration, temperature, velocity, dissolved oxygen content and pollutants.
Calcium ChloridePoorSevere dezincification
Carbon DisulfideExcellentCorrosion affected by salt concentration, temperature, velocity, dissolved oxygen content and pollutants.
Magnesium ChloridePoorSevere dezincification
Magnesium SulfateFairSusceptible to dezincification.
Potassium ChloridePoorSevere dezincification
Potassium CyanidePoorReduced corrosion resistance due to soluble complex ion formation
Potassium Dichromate AcidPoorHighly oxidizing under acidic conditions
Potassium SulfateGoodSusceptible to dezincification.
Sodium BisulfatePoorSevere dezincification
Sodium ChloridePoorSevere dezincification
Sodium CyanidePoorLow corrosion rates, no localized attack
Sodium Dichromate, AcidPoorHighly oxidizing under acidic conditions
Sodium SulfateGoodSusceptible to dezincification.
Sodium SulfitePoorSevere dezincification
Sodium ThiosulfateGoodCorrosion affected by salt concentration, temperature, velocity, dissolved oxygen content and pollutants.
Zinc ChloridePoorSevere dezincification
Zinc SulfatePoorSevere dezincification
Org. solventAcetoneExcellentResistant up to 200F unless contaminated by water, acids, alkalies or salts
AlcoholsExcellentResistant up to 200F unless contaminated by water, acids, alkalies or salts
Amyl AcetateGood
Amyl AlcoholExcellent
Butyl AlcoholExcellentResistant up to 200F unless contaminated by water, acids, alkalies or salts
EthersExcellentResistant up to 200F unless contaminated by water, acids, alkalies or salts
Ethyl AcetateGood
Ethyl AlcoholExcellentResistant up to 200F unless contaminated by water, acids, alkalies or salts
Lacquer SolventsExcellentResistant up to 200F unless contaminated by water, acids, alkalies or salts
Methyl AlcoholExcellent
TolueneExcellentResistant up to 200F unless contaminated by water, acids, alkalies or salts
Organic acidAcetic AcidPoorSusceptible to dezincification.
Acetic AnhydridePoorSusceptible to dezincification.
Benzoic AcidGoodSusceptible to dezincification.
Butyric AcidFairSusceptible to dezincification.
Chloracetic AcidPoorSusceptible to dezincification.
Citric AcidFairSusceptible to dezincification.
Formic AcidFairSusceptible to dezincification.
Lactic AcidFairSusceptible to dezincification.
Oxalic AcidFairSusceptible to dezincification.
Tannic AcidGoodSusceptible to dezincification.
Tartaric AcidFairSusceptible to dezincification.
Trichloracetic AcidPoorSusceptible to dezincification.
Organic comp.AnilineFairStree corrosion cracking possible.
Aniline DyesFairStree corrosion cracking possible.
Castor OilExcellentLow corrosion rates, no localized attack
Ethylene GlycolGoodDezincification may occur.
FormaldehydeFairDezincification may occur.
FurfuralFairDezincification may occur.
GlucoseExcellentLow corrosion rates, no localized attack
GlycerineExcellentLow corrosion rates, no localized attack
LacquersExcellentLow corrosion rates, no localized attack
Oxidizing saltAmmonium NitratePoorReduced corrosion resistance due to soluble complex ion formation
Bleaching Powder, WetPoorSevere dezincification
BoraxExcellentLow corrosion rates, no localized attack
Bordeaux MixtureGoodSusceptible to dezincification.
Calcium BisulfitePoorSevere dezincification
Calcium HypochloritePoorSevere dezincification
Copper ChloridePoorSevere oxidizing environment.
Copper NitratePoorSevere dezincification
Copper SulfatePoorSevere dezincification
Ferric ChloridePoorSevere oxidizing environment.
Ferric SulfatePoorSevere oxidizing environment.
Ferrous ChloridePoorSevere dezincification
Ferrous SulfatePoorSevere dezincification
Hydrogen PeroxideFairSusceptible to dezincification.
Mercury SaltsPoorMay cause liquid metal embrittlement
Potassium ChromateExcellentSuitable for neutral or alkaline conditions
Silver SaltsPoorNoble metal salt, plates on copper surface
Sodium BisulfitePoorSusceptible to dezincification.
Sodium ChromateExcellentSuitable for neutral or alkaline conditions
Sodium HypochloritePoorSevere dezincification
Sodium NitrateFairSusceptible to dezincification.
Sodium PeroxidePoorSusceptible to dezincification.
Sulfur comp.Hydrogen Sulfide, DryExcellentCorrosion increases with trace of moisture
Hydrogen Sulfide, MoistFairMore corrosion resistant in dry gas
Sulfur Chloride, DryExcellentRapid corrosion increases with traces of moisture
Sulfur Dioxide, DryExcellentScaling at elevated temperatures
Sulfur Dioxide, MoistPoorMixed oxide and sulfide scale forms
Sulfur Trioxide, DryExcellentCorrosion increases with trace of moisture
Sulfur, DryExcellentCorrosion rate increases at elevated temperatures
Sulfur, MoltenPoorForms non-protective copper sulfide
WaterBrinesPoorIncreased corrosion with oxidizers, e.g. oxygen (air), chlorine, hypochlorites and ferric ions. Susceptible to dezincification with nitrates, sulfates, chlorides. Refer to specific salt solution rat
Mine WaterPoorAcidic waters containing oxidizers are highly corrosive.
Sea WaterFairCorrosion affected by salt concentration, temperature, velocity, dissolved oxygen content and pollutants. Dezincification may occur.
SteamFairDezincification may occur.
Water, PotableFairCorrosion affected by water chemistry (mineral content, acidity) system design and fabrication. Dezincification may occur.