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Chemical Composition
Elements
Cu(1,2) Sn Zn Fe P Ni(3) Mn
(1) Cu + Sum of Named Elements 99.7% min.
(2) Cu value includes Ag.
(3) Ni value includes Co.
Min (%) 91.0 3.5 3.5
Max (%) 93.0 4.5 0.50 0.20 0.05 4.5 0.20
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell F scale Fatigue Strength**
(ksi)
Section Size
(in)
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 82 Typ
79 Typ
4 Typ
0.012
1/2 Hard and Precipitation Heat Treated TH02 100 Typ
72 Typ
12 Typ
0.012
3/4 Hard and Precipitation Heat Treated TH03 101 Typ
95 Typ
90 Typ
6 Typ
42 Typ 0.015 53
Spring H08 100 Typ
99 Typ
1 Typ
0.006
Wire Super Spring H14 154 Typ
117 Typ
50 Typ 0.01 99.8
Physical Properties
(1)Aged condition.
Melting Point - Liquidus°F 1950
Melting Point - Solidus°F 1770
Densitylb/cu in. at 68°F 0.321
Specific Gravity 8.89
Electrical Conductivity% IACS at 68°F 15 (1)
Modulus of Elasticity in Tensionksi 16000
Fabrication Properties
Technique Suitability
Soldering Excellent
Brazing Excellent
Gas Shielded Arc Welding Excellent
Spot Weld Excellent
Seam Weld Excellent
Butt Weld Excellent
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Common Fabrication Processes
  • Bending
  • Blanking
  • Coining
  • Cold Heading
  • Drawing
  • Forming
  • Roll Threading and Knurling
  • Stamping
Thermal Properties
Treatment Minimum* Maximum*
* Temperature is measured in Fahrenheit.
Annealing 1300
Hot Working Temperature 1200 1600
Typical uses
Product Category Product Reason Category Reason
Electrical Connectors Corrosion Resistance Corrosion Resistance
Connectors Corrosion Resistance Resistant to Oxidation
Connectors Forming Characteristics Formability
Connectors Mechanical Properties High Strength
Industrial Coil Springs Corrosion Resistance Corrosion Resistance
Coil Springs Forming Characteristics Formability
Coil Springs Mechanical Properties High Modulus of Elasticity
Coil Springs Mechanical Properties High Strength
Springs Corrosion Resistance Corrosion Resistance
Springs Forming Characteristics Formability
Springs Mechanical Properties High Modulus of Elasticity
Springs Mechanical Properties High Strength
Applicable Specifications

No applicable specifications for this alloy

Corrosion Properties

No Corrosion Properties Available.