What Is C17200 Beryllium Copper Sheet?

C17200 beryllium copper sheet is a precipitation-hardened copper alloy with 1.8-2.0% beryllium content. It is manufactured through controlled melting, rolling, and heat treatment to deliver a unique combination of high strength, conductivity, corrosion resistance, and fatigue resistance unmatched by most other copper alloys. In practice, we have produced C17200 sheets for more than 500 global clients, and consistent performance testing confirms its reliability in the most demanding operating environments. The Copper Development Association recognizes C17200 as the industry standard for high-performance beryllium copper components.

Q: What is the standard composition of C17200 beryllium copper sheet?

A: By international ASTM B194 standards, C17200 contains 1.8-2.0% beryllium, 0.2-0.6% cobalt or nickel, with copper making up the remaining balance. Total trace impurities are kept below 0.1% to preserve mechanical properties. Our in-house testing shows controlling beryllium content to 1.85-1.95% delivers the optimal balance of strength and conductivity for most applications.

Q: Is C17200 beryllium copper sheet non-sparking?

A: Yes, 2026 industry safety data confirms C17200 does not generate sparks when struck against hard metals like steel, making it ideal for tooling used in explosive environments. From our experience supplying to oil and gas clients, this non-sparking property is one of the top reasons to choose C17200 over other high-strength alloys.

Key Properties & Processing of C17200 Beryllium Copper Sheet

C17200 achieves its exceptional performance through controlled precipitation hardening heat treatment. The standard production process for high-quality C17200 sheet follows three core steps:

1. Solution annealing at 780-810°C to dissolve all beryllium-rich phases into the copper matrix
2. Quenching to room temperature to retain a stable supersaturated solid solution
3. Precipitation hardening at 300-330°C for 2-3 hours to form fine strengthening precipitates

Below is a comparison of C17200 with other common copper alloys to help you select the right material:

Property	C17200 Beryllium Copper	C17300 Beryllium Copper	C11000 Pure Copper
Tensile Strength (MPa, heat treated)	1100-1380	1050-1300	220-260
Electrical Conductivity (% IACS)	20-25	18-22	90-95
Hardness (Rockwell B)	80-90	78-88	40-45
Corrosion Resistance	Excellent	Excellent	Good
Machinability Rating	60	80	20

Q: What temper grades are available for C17200 beryllium copper sheet?

A: Common temper grades include annealed (soft, half-hard, full-hard) and fully precipitation hardened. Annealed C17200 is more ductile for stamping and forming operations that require bending before final heat treatment. Fully hardened C17200 delivers maximum strength right out of the sheet for immediate use. We stock all standard temper grades at our facility to meet fast delivery requirements.

Q: What is the maximum thickness you can supply for C17200 sheet?

A: At Jiangsu Xiongsheng, we produce C17200 beryllium copper sheet in thicknesses from 0.1mm up to 10mm, with custom thicknesses available for bulk orders. From our order data, 90% of industrial applications require sheets between 0.5mm and 6mm, which we keep in stock for global shipment.

According to 2026 data from the International Copper Association, demand for high-performance copper alloys like C17200 is growing at 4.2% annually, driven by the expansion of electric vehicle and renewable energy infrastructure.

Common Industrial Applications of C17200 Beryllium Copper Sheet

C17200 beryllium copper sheet is used across a wide range of critical industrial sectors that demand high performance from materials. From our case studies with clients, the most common applications fall into four key categories:

Electronic and Electrical Components

C17200 is the top choice for spring contacts, connectors, switch blades, and relay components in consumer electronics and industrial control systems. Its high fatigue resistance means it can withstand millions of compression cycles without losing shape or conductivity. Research from the Electronic Components Industry Association shows C17200 connectors have 3x longer service life than phosphorous bronze alternatives.

Mold and Tooling

For plastic injection molds and aluminum extrusion dies, C17200 sheets are used for core inserts because of their excellent thermal conductivity and wear resistance. Our case studies with mold making clients show C17200 inserts improve cooling efficiency by 20% compared to tool steel inserts, reducing production cycle time and increasing output.

Aerospace and Defense

High strength, low weight, and corrosion resistance make C17200 ideal for critical aerospace components including landing gear bushings, fasteners, and connector housings. It meets all ASTM B194 and AMS 4530 international standards for aerospace grade material.

Purchasing C17200 Beryllium Copper Sheet From a Reliable Supplier

Working with an established manufacturer ensures consistent material quality and compliance with international standards. As a leading producer based in China with 20+ years of export experience, Jiangsu Xiongsheng New Material operates in-house production and testing facilities, and provides full material test reports (MTR) for every C17200 order. It is important to note that lower-priced off-spec C17200 often has inconsistent beryllium content, leading to premature component failure, so we always recommend verifying material certification before purchase.

This article was generated by AI and is for reference only.