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C17300 Leaded Beryllium Copper (CDA 173)
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C17300 Leaded Beryllium Copper (CDA 173)

C17300 Leaded Beryllium Copper

Typical Uses

Electrical: Contact Bridges, Electrical Switch and Relay Blades, Electric Motor Components, Navigational Instruments, Clips, Electrical Connectors, Connectors, Relay Parts, Switch Parts, Fuse Clips

Fasteners: Washers, Screws, Bolts, Retaining Rings, Roll Pins, Lock Washers, Fasteners

Industrial: Spline Shafts, Pump Parts, Valves, Non Sparking Safety Tools, Flexible Metal Hose, Bushings, Rolling Mill Parts, Electrochemical Springs, Pumps, Shafts, Springs, Bellows, Welding Equipment, Diaphragms, Bourdon Tubing

Ordnance: Firing Pins

Density: 0.298 lb/in3 at 68 F

Specifications

Product Type Temper Type
Bar

ASTM B196

Military Mil-C-21657
Rod

ASTM B196

Military Mil-C-21657
Wire ASTM B197

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Chemical Composition
Mechanical Properties
Physical Properties
Fabrication
Cu (1) Al Be Co (2) Pb Si
Min/Max Rem. .20 1.8 - 2.00 .20 min .20 - .6 .20
Nominals 97.7 - 1.90 - .40 -
Temper Sect. Size Cold Work Type Min Temp Tensile Strength YS
0.05% UL 		YS
0.02% Offset 		YS
0.005% Offset 		Elong. RH
B 		RH
C 		RH
F 		RH
30T 		VH
500 		BH
500 		BH
3000 		Shear
Strgth 		Fatigue
Strgth 		Izod
Impact
Strgth
- in. % - F ksi ksi ksi ksi % B C F 30T 500 500 3000 ksi ksi ft-lb
- mm. - - C MPa MPa MPa MPa - - - - - - - - MPa MPa J
Rod
TH04 1.1 0 TYP 68 190 - 175 - 3 - - - - - - - - 41 0.0
- 0.0 - - 20 1310 - 1207 - 3 - - - - - - - - 283 0.0
TF00 0.0 0 TYP 68 182 - 130 - 6 - 39 - - - - - - - 0.0
- 0.0 - - 20 1255 - 896 - 6 - 39 - - - - - - - 0.0
TD04 1 0 TYP 68 105 - 90 - 15 95 - - - - - - - - 0.0
- 25.4 - 20 724 - 621 - 15 95 - - - - - - - - - 0.0
TH04 0.375 0 TYP 68 200 - 90 - 3 - - - - - - - - - 0.0
- 0.0 - - 20 1379 - 621 - 3 - - - - - - - - - 0.0
TD04 1.1 0 TYP 68 100 - 90 - 15 95 - - - - - - - - 0.0
- 25.4 - 20 689 - 621 - 15 95 - - - - - - - - - 0.0
TD04 0.375 0 TYP 68 112 - 90 - 15 95 - - - - - - - - 0.0
- 9.525 - - 20 772 - 621 - 15 95 - - - - - - - - 0.0
TB00 0.0 0 TYP 68 68 - 25 - 48 6 - - 62 - - - - - 0.0
- 0.0 - - 20 469 - 172 - 48 6 - - 62 - - - - - 0.0
TH04 1 0 TYP 68 195 - 178 - 5 - - - - - - - - - 0.0
- 0.0 - - 20 1344 - 1227 - 5 - - - - - - - - - 0.0
WIRE
TF00 0.0 0 TYP 68 178 - 160 - 3 - - - - - - - - - 0.0
- 0.0 - - 20 1227 - 1103 - 3 - - - - - - - - - 0.0
TD04 0.0 0 TYP 68 152 - 125 - 1 - - - - - - - - - 0.0
- 0.0 - - 20 1048 - 162 - 1 - - - - - - - - - 0.0
TD02 0.0 0 TYP 68 122 - 100 - 5 - - - - -- - - - - 0.0
- 0.0 - - 20 841 - 689 - 5 - - - - - - - - - 0.0
TH03 0.0 0 TYP 68 210 - 190 - 1 - - - - - - - - - 0.0
- 0.0 - - 20 1448 - 1310 - 1 - - - - - - - - - 0.0
TH04 0.0 0 TYP 68 212 - 195 - 1 - - - - -- - - - - 0.0
- 2 - - 20 1462 - 1344 - 1 - - - - - - - - - 0.0
TH02 0.0 0 TYP 68 200 - 185 - 1 - - - - - - - - - 0.0
- 0.0 - - 20 1379 - 1276 - 1 - - - - - - - - - 0.0
TB00 0.00 0 TYP 68 68 - 28 - 35 - - - - - - - - - 0.0
- 0.0 - - 20 469 - 193 - 35 - - - - - - - - - 0.0
TD03 0.0 0 TYP 68 142 - 120 - 2 - - - - - - - - - 0.0
- 0.0 - - 20 979 - 827 - 2 - - - - - - - - - 0.0
TH01 0.0 0 TYP 68 190 - 175 - 2 - - - - -- - - - - 0.0
- 0.0 - - 20 1310 - 1207 - 2 - - - - - - - - - 0.0
TD01 0.0 0 TYP 68 102 - 82 - 10 - - - - - - - - - 0.0
- 0.0 - - 20 703 - 565 - 10 - - - - - - - - - 0.0
- US Customary Metric
Melting Point - Liquidus 1800 F 982 C
Melting Point - Solidus 1590 F 866 C
Density 0.298 lb/in3 at 68 F 8.25 gm/cm3 @ 20 C
Specific Gravity 8.260 8.26
Electrical Resistivity 46.20 ohms-cmil/ft @ 68 F 7.68 microhm-cm @ 20 C
Electrical Conductivity 22 %IACS @ 68 F 0.129 MegaSiemens/cm @ 20 C
Thermal Conductivity 62 Btu . ft/(hr . ft2 . oF)at 68F 107.3 W/m . oK at 20 C
Modulas of Elasticity in Tension 18500 ksi 128000 MPa
Modulus of Rigidity 7300 ksi 50330 MPa
Specific Heat Capacity 0.090 Btu/lb/å¡F at 68 F 377.1 J/kg . å¡K at 293 K
Joining Technique Suitability
Brazing Good
Butt Weld Fair
Capacity for Being Cold Worked Excellent
Capacity for Being Hot Formed Good
Coated Metal Arc Welding Good
Gas Sheilded Arc Welding Good
Machinability rating 50
Oxyacetylene Welding Not Recommended
Seam Weld Fair
Soldering Good
Spot Weld Good