Specification of Beryllium Chromium Copper Rod
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Standard & Material
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CDA 110 ETP, ASTM B124, ASTM B152, ASTM B187, ASTM B188, ASTM B272
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HOLLOW RODS
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Min Bore Size 20 mm and Max OD 100 mm
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ROUND RODS
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8mm To 100 mm
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HEX
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10mm To 60mm
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SQUARE
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10mm To 60mm
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FLAT
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10mm Min Thickness and max Width 120mm
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BILLETS
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Up to 200 mm
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INGOTS
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As per Specification
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Applications of Beryllium Chromium Copper Rod
- Architectural Industry
- Antimicrobial Applications
- Electrical Industry
- Telecommunications Industry
Equivelent Specifications of Beryllium Chromium Copper Rod
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End Product
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Specification
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Bar
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ASME SB133, ASTM B152, SAE J461, J463
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Bar, Bus
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ASTM B187
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Bar, Forging
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ASTM B124
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Rod
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ASME SB133, MILITARY MIL-C-12166, SAE J461, J463
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Rod, Bus
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ASTM B187
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Chemical Composition of Beryllium Chromium Copper Rod
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Cu
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O
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Min/Max
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99.90 min
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Nominals
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–
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0.04
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Physical Properties of Beryllium Chromium Copper Rod
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Product Property
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US Customary
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Metric
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Coefficient of Thermal Expansion
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9.4 · 10 6? per °F (68-212 F)
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16.9 · 10 6? per °C (20-100 C)
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Coefficient of Thermal Expansion
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9.6 · 10 6? per °F (68-392 F)
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17.3 · 10 6? per °C (20-200 C)
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Coefficient of Thermal Expansion
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9.8 · 10 6? per °F (68-572 F)
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17.6 · 10 6? per °C (20-300 C)
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Density
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0.322 lb/in3 @ 68 F
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8.91 gm/cm3 @ 20 C
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Electrical Conductivity
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101%IACS @ 68 F
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0.591 MegaSiemens/cm @ 20 C
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Electrical Resistivity
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10.3 ohms-cmil/ft @ 68 F
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1.71 microhm-cm @ 20 C
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Melting Point Liquid US
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1981 F
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1083 C
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Melting Point Solid US
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1949 F
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1065 C
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Modulas of Elasticity in Tension
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17000 ksi
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117000 MPa
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Modulas of Rigidity
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6400 ksi
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44130 MPa
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Specific Gravity
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8.91
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8.91
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Specific Heat Capacity
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0.092 Btu/lb/°F at 68 F
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393.5 J/kg · °K at 293 K
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Thermal Conductivity
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226.0 Btu · ft/(hr · Ft2 · °F) at 68 F
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391.1W/m · °K at 20 C
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Fabrication of Beryllium Chromium Copper Rod
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Joining Technique
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Suitability
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Brazing
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Good
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Butt Weld
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Good
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Capacity for Being Cold Worked
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Excellent
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Capacity for Being Hot Formed
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Excellent
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Coated Metal Arc Welding
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Not Recommended
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Forgeability Rating
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65
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Gas Sheilded Arc Welding
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Fair
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Machinability rating
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20
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Oxyacetylene Welding
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Not Recommended
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Seam Weld
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Not Recommended
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Soldering
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Excellent
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Spot Weld
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Not Recommended
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