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Chemical Composition
Elements
Cu(1,2) Fe Ni Al Be Co Si
(1) Cu + Sum of Named Elements 99.5% min.
(2) Cu value includes Ag.
Min (%) 1.4 0.2
Max (%) Rem 0.10 2.2 0.20 0.6 0.3 0.20
Mechanical Properties *
Form Temper Temper Code Tensile Strength
(ksi)
YS-0.2% Offset
(ksi)
YS-0.5% Ext
(ksi)
Elongation
(%)
Rockwell B scale Rockwell 30T scale Fatigue Strength**
(ksi)
Section Size
(in)
* 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 and Precipitation Heat Treated TH02 115 Typ
108 Typ
8 Typ
98 Typ
81 Typ
35 Typ
Hard and Precipitation Heat Treated TH04 115 Typ
110 Typ
8 Typ
98 Typ
81 Typ
Precipitation Hardened TF00 110 Typ
90 Typ
12 Typ
96 Typ
80 Typ
Solution Heat Treated TB00 45 Typ
25 Typ
28 Typ
32 Typ
36 Typ
Solution Heat Treated and Cold Worked: 1/2 Hard TD02 68 Typ
60 Typ
8 Typ
70 Typ
64 Typ
Solution Heat Treated and Cold Worked: Hard TD04 78 Typ
70 Typ
5 Typ
83 Typ
72 Typ
Forgings Precipitation Hardened TF00 115 Typ
90 Typ
92 Typ
4
Solution Heat Treated TB00 42 Typ
20 Typ
50 Typ
Rod Hard and Precipitation Heat Treated TH04 115 Typ
110 Typ
14 Typ
98 Typ
Precipitation Hardened TF00 110 Typ
90 Typ
18 Typ
96 Typ
Solution Heat Treated TB00 45 Typ
25 Typ
28 Typ
35 Typ
Solution Heat Treated and Cold Worked: Hard TD04 72 Typ
65 Typ
12 Typ
68 Typ
Physical Properties
(1)Cold worked and precipitation hardened condition. HT Temper(2)AT Temper
Melting Point - Liquidus°F 1955
Melting Point - Solidus°F 1885
Densitylb/cu in. at 68°F 0.317
Specific Gravity 8.77
Electrical Conductivity% IACS at 68°F 48 (1)
Electrical Conductivity% IACS at 68°F 45 (2)
Thermal ConductivityBtu/ sq ft/ ft hr/ °F at 68°F 120
Coefficient of Thermal Expansion 68-39210 to -6 power per °F (68 – 392°F) 9.8
Specific Heat CapacityBtu/ lb /°F at 68°F 0.1
Modulus of Elasticity in Tensionksi 19200
Modulus of Rigidityksi 7500
Fabrication Properties
Technique Suitability
Soldering Good
Brazing Good
Oxyacetylene Welding Not Recommended
Gas Shielded Arc Welding Fair
Coated Metal Arc Welding Fair
Spot Weld Good
Seam Weld Fair
Butt Weld Fair
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Common Fabrication Processes
  • Blanking
  • Drilling
  • Forming and Bending
  • Tapping
  • Turning
Thermal Properties
Treatment Minimum* Maximum* Time** Medium
* Temperature is measured in Fahrenheit. ** Time is measured in minutes.
Hot Working Temperature 1200 1750
Precipitation Treatment 850 3 Air
Solution Treatment 1550 1700 1 Water
Typical uses
Product Category Product Reason Category Reason
Electrical Conductors Conductivity (Electrical) Electrical Conductivity
Conductors Corrosion Resistance Corrosion Resistance
Conductors Creep Properties Creep Resistant
Conductors Mechanical Properties High Strength
Conductors Softening Resistance Resistance to Thermal Softening
Conductors Solderability Solderability
Connectors, Heavy Duty Conductivity (Electrical) Electrical Conductivity
Connectors, Heavy Duty Conductivity (Thermal) Thermal Conductivity
Connectors, Heavy Duty Corrosion Resistance Corrosion Resistance
Connectors, Heavy Duty Creep Properties Creep Resistant
Connectors, Heavy Duty Mechanical Properties High Strength
Connectors, Heavy Duty Mechanical Properties Retains Strength at High Temperatures
Connectors, Heavy Duty Softening Resistance Resistance to Thermal Softening
Fuse Clips Conductivity (Electrical) Electrical Conductivity
Fuse Clips Corrosion Resistance Corrosion Resistance
Fuse Clips Mechanical Properties High Strength
Fuse Clips Solderability Solderability
Instrument Parts Appearance Appearance
Instrument Parts Conductivity (Electrical) Electrical Conductivity
Instrument Parts Corrosion Resistance Corrosion Resistance
Instrument Parts Mechanical Properties High Strength
Instrument Parts Solderability Solderability
Relay Parts Conductivity (Electrical) Electrical Conductivity
Relay Parts Corrosion Resistance Corrosion Resistance
Relay Parts Creep Properties Creep Resistant
Relay Parts Mechanical Properties High Strength
Relay Parts Softening Resistance Resistance to Thermal Softening
Relay Parts Solderability Solderability
Switch Parts Conductivity (Electrical) Electrical Conductivity
Switch Parts Corrosion Resistance Corrosion Resistance
Switch Parts Creep Properties Creep Resistant
Switch Parts Mechanical Properties High Strength
Switch Parts Softening Resistance Resistance to Thermal Softening
Switch Parts Solderability Solderability
Fasteners Fasteners Corrosion Resistance Corrosion Resistance
Fasteners Mechanical Properties High Strength
Industrial Die casting plunger tips Conductivity (Thermal) Thermal Conductivity
Die casting plunger tips Mechanical Properties High Strength
Die casting plunger tips Mechanical Properties Retains Strength at High Temperatures
High Flux Electromagnets Conductivity (Electrical) Electrical Conductivity
High Flux Electromagnets Conductivity (Thermal) Thermal Conductivity
High Flux Electromagnets Corrosion Resistance Corrosion Resistance
High Flux Electromagnets Magnetic Properties Non-Magnetic
High Flux Electromagnets Mechanical Properties High Strength
Springs Corrosion Resistance Corrosion Resistance
Springs Mechanical Properties Fatigue Resistance
Springs Mechanical Properties High Modulus of Elasticity
Springs Mechanical Properties High Strength
Thermal Transfer Plates Conductivity (Thermal) Thermal Conductivity
Thermal Transfer Plates Corrosion Resistance Corrosion Resistance
Thermal Transfer Plates Mechanical Properties High Strength
Welding Equipment Conductivity (Electrical) Electrical Conductivity
Welding Equipment Conductivity (Thermal) Thermal Conductivity
Welding Equipment Corrosion Resistance Corrosion Resistance
Welding Equipment Creep Properties Creep Resistant
Welding Equipment Mechanical Properties High Strength
Welding Equipment Softening Resistance Resistance to Thermal Softening
Applicable Specifications
Form Specific Sub-Form Application System Standard Description
Bar ASTM B441 COPPER-COBALT-BERYLLIUM (UNS NO. C17500) AND COPPER-NICKEL-BERYLLIUM (UNS NO. C17510) ROD AND BAR
ASTM B534 COPPER-COBALT-BERYLLIUM ALLOY, PLATE, SHEET, STRIP, AND ROLLED BAR
Extrusions
Forgings
Forgings & Extrusions ASTM B870 COPPER-BERYLLIUM ALLOY FORGINGS AND EXTRUSION ALLOYS (UNS Nos. C17500 AND C17510)
Heat Exchanger Tube ASTM B944 COPPER-BERYLLIUM WELDED HEAT EXCHANGER AND CONDENSER TUBE UNS No. C175100
Plate ASTM B534 COPPER-COBALT-BERYLLIUM ALLOY, PLATE, SHEET, STRIP, AND ROLLED BAR
Rod SAE J463 WROUGHT COPPER AND COPPER ALLOYS
ASTM B441 COPPER-COBALT-BERYLLIUM (UNS NO. C17500) AND COPPER-NICKEL-BERYLLIUM (UNS NO. C17510) ROD AND BAR
SAE J461 WROUGHT AND CAST COPPER ALLOYS
Seamless Tube ASTM B937 COPPER-BERYLLIUM SEAMLESS TUBE (UNS Nos.17500 and 17510)
Shapes SAE J463 WROUGHT COPPER AND COPPER ALLOYS
SAE J461 WROUGHT AND CAST COPPER ALLOYS
Sheet ASTM B534 COPPER-COBALT-BERYLLIUM ALLOY, PLATE, SHEET, STRIP, AND ROLLED BAR
Strip SAE J461 WROUGHT AND CAST COPPER ALLOYS
ASTM B888/B88M COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS
SAE J463 WROUGHT COPPER AND COPPER ALLOYS
MILITARY MIL-C-81021 COPPER BERYLLIUM ALLOY (COPPER ALLOY NUMBERS C17500 AND C17510) STRIP
ASTM B534 COPPER-COBALT-BERYLLIUM ALLOY, PLATE, SHEET, STRIP, AND ROLLED BAR
Tube SAE J463 WROUGHT COPPER AND COPPER ALLOYS
SAE J461 WROUGHT AND CAST COPPER ALLOYS
Corrosion Properties

No Corrosion Properties Available.