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-25-2125 N/A 2 1/8 inches N/A 2.125 inches53.975 mm N/A 12.6825 lbs/ft18.8740965 kg/m N/A 152.190 lbs69.018165 kg
RBCRA-25-2250 N/A 2 1/4 inches N/A 2.25 inches57.15 mm N/A 14.2185 lbs/ft21.1599717 kg/m N/A 170.622 lbs77.377077 kg
RBCRA-25-2500 N/A 2 1/2 inches N/A 2.5 inches63.5 mm N/A 17.5537 lbs/ft26.12341634 kg/m N/A 210.644 lbs95.527054 kg
RBCRA-25-2625 N/A 2 5/8 inches N/A 2.625 inches66.675 mm N/A 19.3529 lbs/ft28.80098578 kg/m N/A 232.235 lbs105.3185725 kg
RBCRA-25-2750 N/A 2 3/4 inches N/A 2.75 inches69.85 mm N/A 21.2400 lbs/ft31.609368 kg/m N/A 254.880 lbs115.58808 kg
RBCRA-25-3000 N/A 3 inches N/A 3 inches76.2 mm N/A 25.2773 lbs/ft37.61767786 kg/m N/A 303.328 lbs137.559248 kg
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-25-3250 N/A 3 1/4 inches N/A 3.25 inches82.55 mm N/A 29.6657 lbs/ft44.14849474 kg/m N/A 355.989 lbs161.4410115 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
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