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Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe
(1) Cu + Sum of Named Elements 99.7% min.
Min (%) 94.0 0.7
Max (%) 96.0 0.05 1.3 Rem 0.05
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale Rockwell F scale Rockwell 30T scale Shear Strength
(ksi)
Ultimate Tensile Strength in Shear
(ksi)
Section Size
(in)
* Measured at room temperature, 68°F (20°C).
Flat Products 1/2 Hard H02 52 Typ
50 Typ
43 Typ
15 Typ
60 Typ
56 Typ
37 Typ
0.04
1/2 Hard H02 52 Typ
50 Typ
15 Typ
37 Typ
0.04
1/4 Hard H01 47 Typ
36 Typ
36 Typ
30 Typ
46 Typ
47 Typ
35 Typ
0.04
3/4 Hard H03 58 Typ
56 Typ
49 Typ
12 Typ
67 Typ
62 Typ
38 Typ
0.04
Extra Hard H06 69 Typ
67 Typ
60 Typ
7 Typ
76 Typ
69 Typ
41 Typ
0.04
Extra Spring H10 78 Typ
76 Typ
3 Typ
45 Typ
0.04
Extra Spring H10 78 Typ
76 Typ
70 Typ
3 Typ
82 Typ
72 Typ
45 Typ
0.04
Hard H04 64 Typ
62 Typ
55 Typ
10 Typ
72 Typ
65 Typ
39 Typ
0.04
Nominal Grain Size 0.015 mm OS015 42 Typ
14 Typ
13 Typ
47 Typ
64 Typ
24 Typ
33 Typ
33 Typ
0.04
Nominal Grain Size 0.025 mm OS025 41 Typ
11 Typ
12 Typ
48 Typ
13 Typ
33 Typ
0.04
Nominal Grain Size 0.035 mm OS035 39 Typ
10 Typ
49 Typ
31 Typ
0.04
Nominal Grain Size 0.035 mm OS035 39 Typ
10 Typ
12 Typ
49 Typ
55 Typ
10 Typ
31 Typ
0.04
Spring H08 74 Typ
72 Typ
63 Typ
4 Typ
79 Typ
71 Typ
43 Typ
0.04
Physical Properties
(1)For annealed alloys.
Melting Point - Liquidus°F 1940
Melting Point - Solidus°F 1875
Densitylb/cu in. at 68°F 0.319
Specific Gravity 8.83
Electrical Conductivity% IACS at 68°F 41
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 95
Modulus of Elasticity in Tensionksi 18000 (1)
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Not Recommended
Spot Weld Good
Seam Weld Fair
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Machinability Rating 20
Common Fabrication Processes
  • Blanking
  • Drawing
  • Forming
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 950 1240
Hot Working Temperature 1525 1635
Typical uses
Product Category Product Reason Category Reason
Builders Hardware Hardware, Stamped Appearance Appearance
Hardware, Stamped Corrosion Resistance Corrosion Resistance
Hardware, Stamped Forming Characteristics Formability
Hardware, Stamped Mechanical Properties Moderate Strength
Consumer Decorative Articles Appearance Appearance
Decorative Articles Corrosion Resistance Corrosion Resistance
Decorative Articles Forming Characteristics Formability
Decorative Articles Mechanical Properties Moderate Strength
Electrical Contact springs Conductivity (Electrical) Electrical Conductivity
Contact springs Conductivity (Thermal) Thermal Conductivity
Contact springs Corrosion Resistance Corrosion Resistance
Contact springs Forming Characteristics Formability
Contact springs Mechanical Properties Moderate Strength
Contact springs Thermal Properties Resistance to Stress Relaxation
Electrical Connectors Conductivity (Electrical) Electrical Conductivity
Electrical Connectors Mechanical Properties Moderate Strength
Electrical Connectors Thermal Properties Resistance to Stress Relaxation
Fuse Clips Conductivity (Electrical) Electrical Conductivity
Fuse Clips Conductivity (Thermal) Thermal Conductivity
Fuse Clips Corrosion Resistance Corrosion Resistance
Fuse Clips Forming Characteristics Formability
Fuse Clips Mechanical Properties Moderate Strength
Fuse Clips Solderability Solderability
Fuse Clips Thermal Properties Resistance to Stress Relaxation
Meter Clips Conductivity (Electrical) Electrical Conductivity
Meter Clips Conductivity (Thermal) Thermal Conductivity
Meter Clips Corrosion Resistance Corrosion Resistance
Meter Clips Mechanical Properties Moderate Strength
Meter Clips Solderability Solderability
Meter Clips Thermal Properties Resistance to Stress Relaxation
Relay Springs Conductivity (Electrical) Electrical Conductivity
Relay Springs Conductivity (Thermal) Thermal Conductivity
Relay Springs Corrosion Resistance Corrosion Resistance
Relay Springs Forming Characteristics Formability
Relay Springs Mechanical Properties Moderate Strength
Relay Springs Thermal Properties Resistance to Stress Relaxation
Terminals Conductivity (Electrical) Electrical Conductivity
Terminals Conductivity (Thermal) Thermal Conductivity
Terminals Corrosion Resistance Corrosion Resistance
Terminals Forming Characteristics Formability
Terminals Mechanical Properties Moderate Strength
Terminals Solderability Solderability
Terminals Thermal Properties Resistance to Stress Relaxation
Fasteners Washers Conductivity (Electrical) Electrical Conductivity
Washers Conductivity (Thermal) Thermal Conductivity
Washers Corrosion Resistance Corrosion Resistance
Washers Forming Characteristics Formability
Washers Mechanical Properties Moderate Strength
Washers Thermal Properties Resistance to Stress Relaxation
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Bar ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Plate ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Sheet ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Strip ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Corrosion Properties

No Corrosion Properties Available.