Alloy 25 (UNS C17200) is the most commonly specified beryllium copper and is available in several wrought forms. In its age-hardened condition, Alloy 25 attains the highest strength and hardness of any commercial copper base alloy. The ultimate tensile strength can exceed 200 ksi, while the hardness approaches Rockwell C45. Also, in the fully aged condition, the electrical conductivity is a minimum of 22% IACS (International Annealed Copper Standard). Alloy 25 also exhibits exceptional resistance to stress relaxation at elevated temperatures.

12' Random Lengths
Condition H (Hardened)
Specifications:
CDA 172 ASTM B196
AMS 4650 UNS 17200
Nominal Composition:
Copper: 98.1% Beryllium: 1.9%
Also available in condition A (annealed).
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Item #

Diameter

Diameter

Weight

Weight per 12' Length

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RBCRA-25-3125 N/A 3 1/8 inches N/A 3.125 inches79.375 mm N/A 27.4276 lbs/ft40.81775432 kg/m N/A 329.132 lbs149.261362 kg
RBCRA-25-1875 N/A 3/16 inches N/A 0.1875 inches4.7625 mm N/A 0.0987 lbs/ft0.14688534 kg/m N/A 1.185 lbs0.5373975 kg
RBCRA-25-0938 N/A 3/32 inches N/A 0.0938 inches2.38252 mm N/A 0.0247 lbs/ft0.03675854 kg/m N/A 0.297 lbs0.1346895 kg
RBCRA-25-750 N/A 3/4 inches N/A 0.75 inches19.05 mm N/A 1.5798 lbs/ft2.35105836 kg/m N/A 18.958 lbs8.597453 kg
RBCRA-25-4000 N/A 4 inches N/A 4 inches101.6 mm N/A 44.9374 lbs/ft66.87583868 kg/m N/A 539.249 lbs244.5494215 kg
RBCRA-25-4500 N/A 4 1/2 inches N/A 4.5 inches114.3 mm N/A 56.8740 lbs/ft84.6398868 kg/m N/A 682.487 lbs309.5078545 kg
RBCRA-25-625 N/A 5/8 inches N/A 0.625 inches15.875 mm N/A 1.0971 lbs/ft1.63270422 kg/m N/A 13.165 lbs5.9703275 kg
RBCRA-25-4375 N/A 7/16 inches N/A 0.4375 inches11.1125 mm N/A 0.5376 lbs/ft0.80005632 kg/m N/A 6.451 lbs2.9255285 kg
RBCRA-25-875 N/A 7/8 inches N/A 0.875 inches22.225 mm N/A 2.1503 lbs/ft3.20007646 kg/m N/A 25.804 lbs11.702114 kg
RBCRA-25-5625 N/A 9/16 inches N/A 0.5625 inches14.2875 mm N/A 0.8887 lbs/ft1.32256334 kg/m N/A 10.664 lbs4.836124 kg
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