C17200 Beryllium Copper Discs & Round Plates
Key Features
• High strength and hardness after controlled age hardening
• Excellent fatigue, wear and deformation resistance
• Useful electrical and thermal conductivity
• Non-magnetic with low-sparking characteristics
• Good dimensional stability with the correct machining and heat-treatment sequence
• Custom diameters, thicknesses, machining allowances and finished features available
Supply and Machining Capabilities
C17200 discs can be supplied as raw machining blanks or finished components.
Depending on the required size and quantity, products may be cut from plate or bar, or produced from forged blanks. CNC turning, milling, drilling, grinding and polishing are available according to the customer’s drawing.
For precision parts, diameter, thickness, flatness, parallelism and surface finish are confirmed during drawing review.
Quality and Inspection
Material and production-lot traceability can be maintained according to the agreed quality plan.
Available documentation and inspection options include material test certificates, heat-treatment records, hardness and conductivity testing, dimensional reports and ultrasonic examination.
Guaranteed mechanical properties depend on the product form, section thickness, temper and heat-treatment condition and must be confirmed in the quotation and material certificate.
Typical Applications
Precision molds and tooling · Aerospace components where C17200 is specified · Oil and gas equipment · Electrical contact components · Resistance-welding equipment · Heavy-duty wear and spacer parts · Automotive and industrial sensors · Precision machinery
Important Engineering Notes
C17500 and C17510 are higher-conductivity copper-beryllium alloys and should be quoted separately rather than presented as direct C17200 equivalents.
Tight tolerances such as ±0.02 mm may be available for selected machined dimensions, but require drawing review. They cannot be guaranteed across the complete 50–500 mm size range.
Mechanical properties such as 1200 MPa tensile strength are condition-dependent and should not be presented as guaranteed values for every disc size.
Request a Quotation
Please provide the alloy grade, diameter, thickness, quantity, material condition, dimensional tolerances, surface finish, drawing and inspection requirements.
Contact Cymber Metal for C17200 beryllium copper discs, large round plates, forged disc blanks and custom-machined circular components.
FAQ
A disc is a solid circular product without a large center bore. A ring has a substantial center opening and is normally specified by its outer diameter, inner diameter and axial height.
ASTM B194/B194M may apply to plate or rolled-bar feedstock, ASTM B196/B196M may apply to rod or bar feedstock, and ASTM B570 may apply to forged or extruded blanks. Finished custom discs are also controlled by the approved drawing and purchase specification.
No. Strength depends on product form, temper, cold work, heat treatment, section thickness and sampling requirements. Any guaranteed value must be confirmed in the quotation and material test certificate.
Selected dimensions may achieve tight tolerances, but this cannot be guaranteed across the full size range. Diameter, thickness, flatness, heat-treatment distortion and inspection method must be reviewed against the drawing.
Larger diameters may be available subject to alloy availability, production route, thickness, quantity, mechanical-property requirements and inspection scope.
Yes, subject to size and source-material availability. C17500 and C17510 are higher-conductivity grades and must be quoted according to their own conditions, standards and required properties.
It depends on the operating temperature, exposure time, load and required retained properties. Prolonged elevated-temperature exposure can cause overaging or stress relaxation, so the application must be reviewed individually.
Material test certificates, heat-treatment records, dimensional reports and ultrasonic examination can be provided when included in the agreed inspection plan.












