About C17200 Beryllium Copper Round Bar

C17200 Beryllium Copper Round Bar Technical Specification

1. General Information

• Material Grade: C17200 (UNS)
• Common Name: Beryllium Copper Alloy 25
• EN Designation: CuBe2 / CW101C
• Product Form: Round Bar / Rod
• Manufacturing Type: Wrought, precipitation hardenable alloy

2. Standards & Specifications

• ASTM: B196 / B194
• AMS: AMS 4533 / AMS 4650
• SAE: J461 / J463
• DIN: 2.1247
• BS: CB101

3. Chemical Composition (%)

4. Physical Properties

5. Mechanical Properties (Typical)

(Depending on temper condition)

In peak-aged (hardened) condition:

• Tensile strength up to ~1380 MPa (200 ksi)
• Hardness up to Rockwell C 45

6. Key Features

• Very high strength (comparable to steel)
• Excellent wear & fatigue resistance
• Good thermal and electrical conductivity
• Non-sparking & non-magnetic properties
• High corrosion resistance
• Excellent machinability after heat treatment

7. Heat Treatment

• Solution Annealing: ~760800C
• Aging (Hardening): ~315C (600F) for 23 hours

8. Available Sizes (Round Bar)

• Diameter Range:
  • Typically 6 mm to 200 mm (custom sizes available)
  • Commercial range: inch to 8 inch dia

9. Applications

• Precision springs & connectors
• Aerospace components
• Oil & gas tools
• Bearings & bushings
• Electrical contacts
• Non-sparking tools

10. Temper Conditions

• A (Annealed) Soft
• H (Cold Worked)
• AT (Precipitation Hardened)
• HT (Fully Hardened)