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Chemical Composition
Elements
Cu(1,2) Pb Sn Zn Fe(3) P Co(4)
(1) Cu + Sum of Named Elements 99.5% min.
(2) Cu value includes Ag.
(3) Fe + Co, 1.4 - 2.4%
(4) Fe + Co, 1.4 - 2.4%
Min (%) 84.5 1.5 1.4
Max (%) 87.5 0.05 3.0 Rem 2.4 0.35 0.20
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
Elongation
(%)
Section Size
(in)
* Measured at room temperature, 68°F (20°C).
Flat Products Anneal to Temper - 1/2 Hard O82 66 Typ
58 Typ
20 Min
0.1
Extra Hard H06 96 Typ
94 Typ
7 Typ
0.089
Extra Spring H10 107 Typ
106 Typ
5 Typ
0.075
Extra Spring and Stress Relieved HR10 107 Typ
105 Typ
2 Min
0.075
Hard H04 84 Typ
81 Typ
17 Typ
0.166
Hard and Stress Relieved HR04 84 Typ
80 Typ
9 Min
0.116
Spring H08 103 Typ
100 Typ
6 Typ
0.075
Spring and Stress Relieved HR08 103 Typ
100 Typ
4 Min
0.075
Super Spring H14 105 Min
105 Min
5 Max 0.067
Physical Properties
Melting Point - Liquidus°F 1920
Melting Point - Solidus°F 1830
Densitylb/cu in. at 68°F 0.317
Specific Gravity 8.78
Electrical Conductivity% IACS at 68°F 25
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 62
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 9.4
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 9.8
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.9
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 18000
Modulus of Rigidityksi 6900
Fabrication Properties

No fabrication properties for this alloy

Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties

No thermal properties for this alloy

Typical uses
Product Category Product Reason Category Reason
Automotive Clutch discs Conductivity (Thermal) Thermal Conductivity
Clutch discs Friction & Wear Properties Abrasion Resistance
Clutch discs Friction & Wear Properties Wear Resistance
Clutch discs Mechanical Properties Strength
Bearings Bushings, sleeve Bearing Properties Abrasion Resistance
Bushings, sleeve Friction & Wear Properties Wear Resistance
Electrical Connectors Conductivity (Electrical) Electrical Conductivity
Connectors Forming Characteristics Excellent Formability
Connectors Mechanical Properties Moderate Strength
Connectors Thermal Properties Resistance to Stress Relaxation
Fuse Clips Forming Characteristics Formability
Fuse Clips Mechanical Properties Strength
Switch Gear Conductivity (Electrical) Electrical Conductivity
Switch Gear Friction & Wear Properties Wear Resistance
Switch Gear Machining Characteristics Machinability
Switch Gear Mechanical Properties Strength
Terminals Conductivity (Electrical) Electrical Conductivity
Terminals Mechanical Properties Ductility
Terminals Solderability Solderability
Fasteners Fasteners Conductivity (Electrical) Electrical Conductivity
Fasteners Forming Characteristics Formability
Lock Washers Conductivity (Electrical) Electrical Conductivity
Lock Washers Forming Characteristics Formability
Hardware Beater bars Drawing Characteristics Drawability
Beater bars Mechanical Properties Ductility
Beater bars Mechanical Properties Fatigue Strength
Bellows Drawing Characteristics Capacity for Cold Drawing
Bellows Non-Fouling Fatigue Life
Diaphrams Mechanical Properties Ductility
Diaphrams Mechanical Properties Strength
Diaphrams Stress Relaxation Stress Relaxation Resistance
Springs Mechanical Properties Ductility
Springs Mechanical Properties Stiffness
Springs Mechanical Properties Strength
Industrial Bridge bearing plates Friction & Wear Properties Abrasion Resistance
Bridge bearing plates Friction & Wear Properties Wear Resistance
Chemical hardware Corrosion Resistance Corrosion Resistance
Chemical hardware Mechanical Properties Strength
Perferated sheets Appearance Color
Textile machinery Friction & Wear Properties Wear Resistance
Textile machinery Mechanical Properties Strength
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Sheet, Strip, Roller Bar & Plate ASTM B592 COPPER-ZINC-ALUMINUM-COBALT ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Corrosion Properties

No Corrosion Properties Available.