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Chemical Composition
Cu(1) Pb Ni Ag(2) As Bi Sb Te(3)
(1) Cu value includes Ag.
(2) Ag 0.054% min is the equivelant of, Ag 16 Troy Oz min.
(3) Includes Te + Se.
Min (%) 99.88
Max (%) 0.004 0.050 0.054 0.012 0.003 0.003 0.025
Mechanical Properties *
Form Temper Temper Code Tensile Strength
YS-0.2% Offset
YS-0.5% Ext
Rockwell B scale Rockwell F scale Rockwell 30T scale Shear Strength
Fatigue Strength**
Section Size
Cold Work
* Measured at room temperature, 68°F (20°C). ** Fatigue Strength: 100 x 106 cycles, unless indicated as [N] x 106.
Flat Products 1/2 Hard H02 42 Typ
39 Typ
36 Typ
14 Typ
40 Typ
84 Typ
50 Typ
26 Typ
1/8 Hard H00 36 Typ
34 Typ
28 Typ
30 Typ
10 Typ
60 Typ
25 Typ
25 Typ
As Hot Rolled M20 34 Typ
10 Typ
45 Typ
45 Typ
23 Typ
Extra Spring H10 57 Typ
54 Typ
53 Typ
4 Typ
62 Typ
95 Typ
64 Typ
29 Typ
Hard H04 50 Typ
48 Typ
45 Typ
6 Typ
50 Typ
90 Typ
57 Typ
28 Typ
Nominal Grain Size 0.025 mm OS025 34 Typ
11 Typ
45 Typ
45 Typ
23 Typ
11 Typ 0.04
Spring H08 55 Typ
52 Typ
50 Typ
4 Typ
60 Typ
94 Typ
63 Typ
29 Typ
Rod As Hot Rolled M20 32 Typ
10 Typ
55 Typ
40 Typ
22 Typ
Hard H04 48 Typ
44 Typ
16 Typ
47 Typ
87 Typ
27 Typ
1 35
Nominal Grain Size 0.050 mm OS050 32 Typ
10 Typ
55 Typ
40 Typ
22 Typ
Shapes As Hot Extruded M30 32 Typ
10 Typ
50 Typ
40 Typ
22 Typ
As Hot Rolled M20 32 Typ
10 Typ
50 Typ
40 Typ
22 Typ
Hard H04 40 Typ
32 Typ
30 Typ
35 Typ
26 Typ
0.5 15
Nominal Grain Size 0.050 mm OS050 32 Typ
10 Typ
50 Typ
40 Typ
22 Typ
Wire Hard H04 55 Typ
1.5 Typ
29 Typ
Nominal Grain Size 0.050 mm OS050 35 Typ
35 Typ
24 Typ
Spring H08 66 Typ
1.5 Typ
33 Typ
Physical Properties
Melting Point - Liquidus°F 1981
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.9
Electrical Conductivity% IACS at 68°F 98
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 218
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 9.3
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 9.6
Coefficient of Thermal Expansion 68-57210 to -6 power per °F (68 – 572°F) 9.8
Specific Heat CapacityBtu/ lb /°F at 68°F 0.092
Modulus of Elasticity in Tensionksi 17000
Modulus of Rigidityksi 6400
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Not Recommended
Spot Weld Not Recommended
Seam Weld Not Recommended
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Excellent
Machinability Rating 20
Common Fabrication Processes
  • Blanking
  • Coining
  • Coppersmithing
  • Drawing
  • Etching
  • Forming and Bending
  • Heading and Upsetting
  • Hot Forging and Pressing
  • Piercing and Punching
  • Roll Threading and Knurling
  • Shearing
  • Spinning
  • Squeezing and Swaging
  • Stamping
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 750 1200
Hot Working Temperature 1400 1600
Typical uses
Product Category Product Reason Category Reason
Architecture Building Fronts Appearance Appearance
Building Fronts Corrosion Resistance Corrosion Resistance
Downspouts Appearance Appearance
Downspouts Corrosion Resistance Corrosion Resistance
Downspouts Forming Characteristics Formability
Flashing Appearance Appearance
Flashing Corrosion Resistance Corrosion Resistance
Flashing Forming Characteristics Formability
Gutters Appearance Appearance
Gutters Corrosion Resistance Corrosion Resistance
Gutters Forming Characteristics Formability
Roofing Appearance Appearance
Roofing Corrosion Resistance Corrosion Resistance
Roofing Forming Characteristics Formability
Screening Appearance Appearance
Screening Corrosion Resistance Corrosion Resistance
Screening Forming Characteristics Formability
Spouting Appearance Appearance
Spouting Corrosion Resistance Corrosion Resistance
Spouting Forming Characteristics Formability
Automotive Gaskets Forming Characteristics Formability
Gaskets Mechanical Properties Ductility
Gaskets Pressure Tight Pressure Tight
Radiators Conductivity (Thermal) Thermal Conductivity
Radiators Corrosion Resistance Corrosion Resistance
Radiators Creep Properties Creep Resistant
Radiators Solderability Solderability
Electrical Bus Bars Conductivity (Electrical) Electrical Conductivity
Bus Bars Conductivity (Thermal) Thermal Conductivity
Bus Bars Corrosion Resistance Corrosion Resistance
Bus Bars Solderability Solderability
Commutator Segments Conductivity (Electrical) Electrical Conductivity
Commutator Segments Conductivity (Thermal) Thermal Conductivity
Commutator Segments Corrosion Resistance Corrosion Resistance
Commutator Segments Solderability Solderability
Contacts Conductivity (Electrical) Electrical Conductivity
Contacts Conductivity (Thermal) Thermal Conductivity
Contacts Corrosion Resistance Corrosion Resistance
Contacts Solderability Solderability
Radio Parts Conductivity (Electrical) Electrical Conductivity
Radio Parts Conductivity (Thermal) Thermal Conductivity
Radio Parts Corrosion Resistance Corrosion Resistance
Radio Parts Solderability Solderability
Switches Conductivity (Electrical) Electrical Conductivity
Switches Conductivity (Thermal) Thermal Conductivity
Switches Corrosion Resistance Corrosion Resistance
Switches Solderability Solderability
Terminals Conductivity (Electrical) Electrical Conductivity
Terminals Conductivity (Thermal) Thermal Conductivity
Terminals Corrosion Resistance Corrosion Resistance
Terminals Solderability Solderability
Industrial Anodes Conductivity (Electrical) Electrical Conductivity
Anodes Conductivity (Thermal) Thermal Conductivity
Chemical Process Equipment Corrosion Resistance Corrosion Resistance
Chemical Process Equipment Corrosion Resistance Corrosion Resistance to Many Industrial Chemicals
Kettles Appearance Appearance
Kettles Conductivity (Thermal) Thermal Conductivity
Kettles Corrosion Resistance Corrosion Resistance
Pans Appearance Appearance
Pans Conductivity (Thermal) Thermal Conductivity
Pans Corrosion Resistance Corrosion Resistance
Printing Rolls Corrosion Resistance Corrosion Resistance
Printing Rolls Forming Characteristics Formability
Road Bed Expansion Plates Conductivity (Thermal) Thermal Conductivity
Road Bed Expansion Plates Corrosion Resistance Corrosion Resistance
Road Bed Expansion Plates Mechanical Properties Ductility
Road Bed Expansion Plates Thermal Properties Coefficient of Expansion
Rotating Bands Conductivity (Electrical) Electrical Conductivity
Rotating Bands Conductivity (Thermal) Thermal Conductivity
Rotating Bands Corrosion Resistance Corrosion Resistance
Vats Conductivity (Thermal) Thermal Conductivity
Vats Corrosion Resistance Corrosion Resistance
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.