Copper Alloy Data C17510 C17510 Tradename: Beryllium Copper Designation: Active? True Inactive Date: US EPA Registered Antimicrobial? True Chemical Composition Element Cu (1,2) Fe Ni Al Be Co Si Min (%) 1.4 0.2 Max (%) Rem 0.10 2.2 0.20 0.6 0.3 0.20 (1) Cu + Sum of Named Elements 99.5% min. (2) Cu value includes Ag. Alloy C17510 Page 1 of 11
Mechanical Properties* Form Temper Temper Code Tensile Strength (ksi) YS-0.2% Offset YS-0.5% Ext (ksi) Elongation (%) Rockwell B scale Rockwell 30T scale Fatigue Strength** (ksi) Section Size (in) 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 Flat Products 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 Hard and Precipitation Heat Treated TH04 115 Typ 110 Typ 14 Typ 98 Typ Rod 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 * Measured at room temperature, 68 F (20 C). ** Fatigue Strength: 100 x 10 6 cycles, unless indicated as [N] x 10 6. Alloy C17510 Page 2 of 11
Physical Properties 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 ⁶ 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 (1) Cold worked and precipitation hardened condition. HT Temper (2) AT Temper Alloy C17510 Page 3 of 11
Fabrication Properties Technique Suitability Soldering Brazing Oxyacetylene Welding Gas Shielded Arc Welding Coated Metal Arc Welding Spot Weld Seam Weld Butt Weld Capacity for Being Cold Worked Capacity for Being Hot Formed Good Good Not Recommended Fair Fair Good Fair Fair Excellent Good Alloy C17510 Page 4 of 11
Common Fabrication Processes Blanking Drilling Forming and Bending Tapping Turning Alloy C17510 Page 5 of 11
Thermal Properties Treatment Minimum * Maximum * Value * Time ** Medium Solution Treatment 1550 1700 1 Water Precipitation Treatment 850 3 Air Hot Treatment 1200 1750 * Temperature is measured in Fahrenheit. ** Time is measured in minutes. Alloy C17510 Page 6 of 11
Typical uses Alloy C17510 Page 7 of 11
Product Category Product Reason Category Reason Conductors 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 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 Fuse Clips Corrosion Resistance Corrosion Resistance Fuse Clips Mechanical Properties High Strength Electrical Fuse Clips Solderability Solderability Instrument Parts Appearance Appearance Instrument Parts Instrument Parts Corrosion Resistance Corrosion Resistance Instrument Parts Mechanical Properties High Strength Instrument Parts Solderability Solderability Relay Parts 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 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 Alloy C17510 Page 8 of 11
Product Category Product Reason Category Reason Fasteners Fasteners Corrosion Resistance Corrosion Resistance Fasteners Mechanical Properties High Strength 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 High Flux Electromagnets Conductivity (Thermal) High Flux Electromagnets Corrosion Resistance High Flux Electromagnets Magnetic Properties High Flux Electromagnets Mechanical Properties Thermal Conductivity Corrosion Resistance Non-Magnetic High Strength Springs Corrosion Resistance Corrosion Resistance Springs Mechanical Properties Fatigue Resistance Industrial 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 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 Alloy C17510 Page 9 of 11
Applicable Specifications Form Specific Sub-Form 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 ASTM B441 COPPER-COBALT-BERYLLIUM (UNS NO. C17500) AND COPPER-NICKEL-BERYLLIUM (UNS NO. C17510) ROD AND BAR Rod SAE J461 WROUGHT AND CAST COPPER ALLOYS SAE J463 WROUGHT COPPER AND COPPER ALLOYS Seamless tube ASTM B937 COPPER-BERYLLIUM SEAMLESS TUBE (UNS Nos.17500 and 17510) Shapes SAE J461 WROUGHT AND CAST COPPER ALLOYS SAE J463 WROUGHT COPPER AND COPPER ALLOYS Sheet ASTM B534 COPPER-COBALT-BERYLLIUM ALLOY, PLATE, SHEET, STRIP, AND ROLLED BAR ASTM B534 COPPER-COBALT-BERYLLIUM ALLOY, PLATE, SHEET, STRIP, AND ROLLED BAR Strip Tube Electric Connector & Spring Contact ASTM B888/B88M COPPER ALLOY STRIP FOR USE IN MANUFACTURE OF ELECTRICAL CONNECTORS OR SPRING CONTACTS MILITARY MIL-C-81021 COPPER BERYLLIUM ALLOY (COPPER ALLOY NUMBERS C17500 AND C17510) STRIP SAE J461 WROUGHT AND CAST COPPER ALLOYS SAE J463 WROUGHT COPPER AND COPPER ALLOYS SAE J461 WROUGHT AND CAST COPPER ALLOYS SAE J463 WROUGHT COPPER AND COPPER ALLOYS Alloy C17510 Page 10 of 11
Corrosion Properties No information available. Alloy C17510 Page 11 of 11