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Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P
(1) Cu + Sum of Named Elements 99.7% min.
Min (%) 86.0 0.8
Max (%) 89.0 0.05 1.4 Rem 0.05 0.35
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 Section Size
(in)
* Measured at room temperature, 68°F (20°C).
Flat Products 1/2 Hard H02 60 Typ
57 Typ
51 Typ
12 Typ
70 Typ
64 Typ
0.04
1/4 Hard H01 52 Typ
39 Typ
40 Typ
30 Typ
56 Typ
54 Typ
0.04
3/4 Hard H03 66 Typ
64 Typ
55 Typ
6 Typ
77 Typ
68 Typ
0.04
Extra Hard H06 80 Typ
76 Typ
68 Typ
3 Typ
84 Typ
72 Typ
0.04
Extra Spring H10 88 Typ
84 Typ
75 Typ
2 Typ
86 Typ
74 Typ
0.04
Hard H04 73 Typ
70 Typ
65 Typ
4 Typ
81 Typ
70 Typ
0.04
Nominal Grain Size 0.015 mm OS015 46 Typ
19 Typ
17 Typ
44 Typ
75 Typ
40 Typ
0.04
Nominal Grain Size 0.025 mm OS025 44 Typ
15 Typ
16 Typ
45 Typ
70 Typ
31 Typ
0.04
Nominal Grain Size 0.035 mm OS035 43 Typ
14 Typ
15 Typ
46 Typ
65 Typ
27 Typ
0.04
Spring H08 87 Typ
81 Typ
73 Typ
2 Typ
87 Typ
73 Typ
0.04
Physical Properties
(1)To achieve a conductivity of 31% IACS, phosphorus shall be .07% maximum.(2)For annealed alloys.
Melting Point - Liquidus°F 1905
Melting Point - Solidus°F 1870
Densitylb/cu in. at 68°F 0.318
Specific Gravity 8.8
Electrical Conductivity% IACS at 68°F 31 (1)
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 75
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 18000 (2)
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Fair
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Excellent
Spot Weld Good
Seam Weld Fair
Butt Weld Good
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Machinability Rating 30
Common Fabrication Processes
  • Blanking
  • Drawing
  • Forming
  • Piercing and Punching
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 930 1250
Hot Working Temperature 1525 1635
Typical uses
Product Category Product Reason Category Reason
Electrical Connectors Corrosion Resistance Corrosion Resistance
Connectors Corrosion Resistance Stress Corrosion Cracking Resistance
Connectors Forming Characteristics Formability
Connectors Mechanical Properties Moderate Strength
Connectors Solderability Solderability
Electrical Connectors Forming Characteristics Formability
Electrical Connectors Mechanical Properties Moderate Strength
Fuse Clips Corrosion Resistance Corrosion Resistance
Fuse Clips Forming Characteristics Formability
Fuse Clips Mechanical Properties Moderate Strength
Fuse Clips 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
Fasteners Spring Washers Corrosion Resistance Corrosion Resistance
Spring Washers Forming Characteristics Formability
Spring Washers Mechanical Properties Fatigue Resistance
Spring Washers Mechanical Properties Moderate Strength
Spring Washers Thermal Properties Resistance to Stress Relaxation
Industrial Bushings Corrosion Resistance Corrosion Resistance
Bushings Forming Characteristics Formability
Bushings Mechanical Properties Fatigue Resistance
Bushings Mechanical Properties Moderate Strength
Bushings Thermal Properties Resistance to Stress Relaxation
Contact Springs Conductivity (Electrical) Electrical Conductivity
Contact Springs Corrosion Resistance Corrosion Resistance
Contact Springs Forming Characteristics Formability
Contact Springs Friction & Wear Properties Wear Resistance
Contact Springs Mechanical Properties Fatigue Resistance
Sash Chain Corrosion Resistance Corrosion Resistance
Sash Chain Forming Characteristics Formability
Sash Chain Mechanical Properties Moderate Strength
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 B888/B88M COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS
ASTM B591 COPPER-ZINC-TIN ALLOY PLATE, SHEET, STRIP, AND ROLLED BAR
Corrosion Properties

No Corrosion Properties Available.