C17510 Copper
C17510 Copper – ASTM B441 (ROD), ASTM B534 (PLATE) , RWMA Class III
Primarily utilized in applications that require high thermal or electric conductivity. The alloy offers good strength and hardness characteristics coupled with conductivity in the range of 45-60 percent of copper with ultimate tensile and hardness properties approaching 140 ksi and RB 100 respectively.
Typical Uses for C17510 Beryllium Copper:
ELECTRICAL: Instrument Parts, Connectors, Heavy Duty, Relay Parts, Conductors, Switch Parts, Fuse Clips
FASTENERS: Washers, Fasteners, Lock Washers, Retaining Rings, Roll Pins, Screws, Bolts
INDUSTRIAL: High Flux Electromagnets, Thermal Transfer Plates, Welding Equipment, Springs, Die Casting Plunger Tips
Sizes Available From NBM
SOLID BAR: 1/4″ . 6″ diameter
RECTANGLES: 3/8″ x 1/2″ . 1″ x 3″ thickness x width
SQUARES: 3/8″ . 3″ square
PLATES: 2″ . 5″ thickness
DISCS & RINGS: forged to size
HONED TUBES: up to 4″ OD
C17510 Copper
Specifications
End Product Specification
Bar ASTM B441
Bar, Rolled ASTM B534
Plate ASTM B534
Rod ASTM B441, SAE J463, J461
Shapes SAE J463, J461
Sheet ASTM B534
Strip ASTM B534, MILITARY MIL-C-81021, SAE J463, J461
Tube SAE J463, J461
Chemical Composition
| AL | BE | CO | CU | FE | NI | SI | |
| Min/Max | 0.2 | 0.2 – 0.6 | 0.3 | Rem | 0.1 | 1.4 – 2.2 | 0.2 |
| Nominals | – | 0.4000 | – | 97.8000 | – | 1.8000 | – |
TEMPER
PRODUCT TYPE TEMPER TYPE
Bar ASTM B441
Bar, Rolled ASTM B534
Plate ASTM B534
Rod ASTM B441, SAE J463, J461
Shapes SAE J463, J461
Sheet ASTM B534
Strip ASTM B534, MILITARY MIL-C-81021, SAE J463, J461
Tube SAE J463, J461
| PRODUCT PROPERTY | US CUSTOMARY | METRIC |
| Coefficient of Thermal Expansion | 9.8 . 10-6 per oF (68-392 F) | 17.6 . 10 6? per å¡C (20-200 C) |
| Density | 0.317 lb/in3 @ 68 F | 8.77 gm/cm3 @ 20 C |
| Electrical Conductivity | 48 %IACS @ 68 F | 0.281 MegaSiemens/cm @ 20 C |
| Electrical Conductivity | 45 %IACS @ 68 F | 0.263 MegaSiemens/cm @ 20 C |
| Electrical Resistivity | 22.8 ohms-cmil/ft @ 68 F | 3.79 microhm-cm @ 20 C |
| Melting Point Liquid US | 1955 F | 1068 C |
| Melting Point Solid US | 1885 F | 1029 C |
| Modulas of Elasticity in Tension | 19200 ksi | 132400 MPa |
| Modulas of Rigidity | 7500 ksi | 51710 MPa |
| Specific Gravity | 8.77 | 8.77 |
| Specific Heat Capacity | 0.1 Btu/lb/å¡F @ 68 F | 419.0 J/kg . å¡K at 293 K |
| Thermal Conductivity | 120.0 Btu . ft/(hr . ft2 . å¡F) @ 68 F | 207.7 W/m . å¡K at 20 C |
| JOINING TECHNIQUE | SUITABILITY |
| Brazing | Good |
| Butt Weld | Fair |
| Capacity for Being Cold Worked | Excellent |
| Capacity for Being Hot Formed | Good |
| Coated Metal Arc Welding | Fair |
| Gas Sheilded Arc Welding | Fair |
| Oxyacetylene Welding | Not Recommended |
| Seam Weld | Fair |
| Soldering | Good |
| Spot Weld | Good |
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