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

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-25-125 N/A 1/8 inches N/A 0.125 inches3.175 mm N/A 0.0439 lbs/ft0.06533198 kg/m N/A 0.527 lbs0.2389945 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-25-250 N/A 1/4 inches N/A 0.25 inches6.35 mm N/A 0.1755 lbs/ft0.2611791 kg/m N/A 2.106 lbs0.955071 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-25-4688 N/A 15/32 inches N/A 0.4688 inches11.90752 mm N/A 0.6173 lbs/ft0.91866586 kg/m N/A 7.407 lbs3.3590745 kg
RBCRA-25-5313 N/A 17/32 inches N/A 0.5313 inches13.49502 mm N/A 0.7928 lbs/ft1.17984496 kg/m N/A 9.514 lbs4.314599 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
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-25-750 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-25-8125 N/A 13/16 inches N/A 0.8125 inches20.6375 mm N/A 1.8541 lbs/ft2.75927162 kg/m N/A 22.249 lbs10.0899215 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-25-9375 N/A 15/16 inches N/A 0.9375 inches23.8125 mm N/A 2.4685 lbs/ft3.6736217 kg/m N/A 29.622 lbs13.433577 kg
RBCRA-25-1000 N/A 1 inches N/A 1 inches25.4 mm N/A 2.8086 lbs/ft4.17975852 kg/m N/A 33.703 lbs15.2843105 kg
RBCRA-25-10625 N/A 1 1/16 inches N/A 1.0625 inches26.9875 mm N/A 3.1706 lbs/ft4.71848692 kg/m N/A 38.048 lbs17.254768 kg
RBCRA-25-1125 N/A 1 1/8 inches N/A 1.125 inches28.575 mm N/A 3.5546 lbs/ft5.28995572 kg/m N/A 42.655 lbs19.3440425 kg
RBCRA-25-11875 N/A 1 3/16 inches N/A 1.1875 inches30.1625 mm N/A 3.9606 lbs/ft5.89416492 kg/m N/A 47.527 lbs21.5534945 kg
RBCRA-25-1250 N/A 1 1/4 inches N/A 1.25 inches31.75 mm N/A 4.3884 lbs/ft6.53081688 kg/m N/A 52.661 lbs23.8817635 kg
RBCRA-25-13125 N/A 1 5/16 inches N/A 1.3125 inches33.3375 mm N/A 4.8382 lbs/ft7.20020924 kg/m N/A 58.059 lbs26.3297565 kg
RBCRA-25-1375 N/A 1 3/8 inches N/A 1.375 inches34.925 mm N/A 5.31 lbs/ft7.902342 kg/m N/A 63.720 lbs28.89702 kg
RBCRA-25-1500 N/A 1 1/2 inches N/A 1.5 inches38.1 mm N/A 6.3193 lbs/ft9.40438226 kg/m N/A 75.832 lbs34.389812 kg
RBCRA-25-1625 N/A 1 5/8 inches N/A 1.625 inches41.275 mm N/A 7.4164 lbs/ft11.03708648 kg/m N/A 88.997 lbs40.3601395 kg
RBCRA-25-1750 N/A 1 3/4 inches N/A 1.75 inches44.45 mm N/A 8.6013 lbs/ft12.80045466 kg/m N/A 103.216 lbs46.808456 kg
RBCRA-25-18750 N/A 1 7/8 inches N/A 1.875 inches47.625 mm N/A 9.8740 lbs/ft14.6944868 kg/m N/A 118.487 lbs53.7338545 kg
RBCRA-25-2000 N/A 2 inches N/A 2 inches50.8 mm N/A 11.2344 lbs/ft16.71903408 kg/m N/A 134.812 lbs61.137242 kg
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