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Chemical Composition
Elements
Cu(1) Pb Sn Zn Fe P
(1) Cu + Sum of Named Elements 99.5% min.
Min (%) 5.0 0.03
Max (%) Rem 0.05 7.0 0.30 0.10 0.35
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 1/2 Hard H02 72 Typ
63 Typ
25 Typ
1/2 Hard and Stress Relieved HR02 72 Typ
58 Typ
30 Typ
Extra Hard H06 100 Typ
96 Typ
6 Typ
Extra Hard and Stress Relieved HR06 100 Typ
89 Typ
12 Typ
Extra Spring H10 111 Typ
106 Typ
2 Typ
Extra Spring and Stress Relieved HR10 111 Typ
97 Typ
9 Typ
Hard H04 88 Typ
85 Typ
13 Typ
0.005
Hard and Stress Relieved HR04 88 Typ
77 Typ
17 Typ
Nominal Grain Size 0.010 mm OS010 55 Typ
45 Typ
0.005
Nominal Grain Size 0.015 mm OS015 56 Typ
29 Typ
45 Typ
Nominal Grain Size 0.025 mm OS025 53 Typ
28 Typ
56 Typ
Nominal Grain Size 0.035 mm OS035 52 Typ
27 Typ
61 Typ
Nominal Grain Size 0.050 mm OS050 50 Typ
26 Typ
66 Typ
Spring H08 107 Typ
103 Typ
4 Typ
Spring and Stress Relieved HR08 107 Typ
95 Typ
10 Typ
Physical Properties
Melting Point - Liquidus°F 1900
Melting Point - Solidus°F 1700
Densitylb/cu in. at 68°F 0.319
Specific Gravity 8.84
Electrical Conductivity% IACS at 68°F 14
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 38
Coefficient of Thermal Expansion 68-21210 to -6 power per °F (68 – 212°F) 10
Specific Heat CapacityBtu/ lb /°F at 68°F 0.09
Modulus of Elasticity in Tensionksi 16000
Modulus of Rigidityksi 6000
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Oxyacetylene Welding Fair
Gas Shielded Arc Welding Good
Coated Metal Arc Welding Poor
Spot Weld Good
Seam Weld Poor
Butt Weld Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Poor
Machinability Rating 20
Common Fabrication Processes

No fabrication process properties for this alloy

Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 700 1350
Typical uses
Product Category Product Reason Category Reason
Electrical Electrical Connectors Conductivity (Electrical) Electrical Conductivity
Electrical Connectors Forming Characteristics Excellent Formability
Electrical Connectors Mechanical Properties Good Strength
Electrical Connectors Thermal Properties Resistance to Stress Relaxation
Electrical Flexing Contact Blades Conductivity (Electrical) Electrical Conductivity
Electrical Flexing Contact Blades Mechanical Properties High Endurance Limit
Electrical Flexing Contact Blades Mechanical Properties High Strength
Electrical Flexing Contact Blades Thermal Properties Resistance to Stress Relaxation
Electronic Connectors Conductivity (Electrical) Electrical Conductivity
Electronic Connectors Forming Characteristics Excellent Formability
Electronic Connectors Mechanical Properties Contact Strength,Good
Electronic Connectors Thermal Properties Resistance to Stress Relaxation
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Bar ASTM B103/B103M PHOSPHOR BRONZE PLATE, SHEET, STRIP AND ROLLED BAR
Plate ASTM B103/B103M PHOSPHOR BRONZE PLATE, SHEET, STRIP AND ROLLED BAR
Sheet ASTM B103/B103M PHOSPHOR BRONZE PLATE, SHEET, STRIP AND ROLLED BAR
Strip ASTM B103/B103M PHOSPHOR BRONZE PLATE, SHEET, STRIP AND ROLLED BAR
Corrosion Properties

No Corrosion Properties Available.