C17200 Beryllium Copper (aka Alloy 25) is the most commonly utilized beryllium copper alloy and is notable for exhibiting the highest strength and hardness compared to commercial copper alloys. Material: Beryllium Copper Shape: Round Rod Alloy: C172 Temper: AP Diameter: 6.250 (6-1/4 inch) Length: 3.75 inches Finish: Rough Turned Specification: ASTM B196 Qty in Package: 1 Note: Length Tolerance: (-0/+0.125)