Beryllium Copper Round Bars & Rods

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Beryllium Copper UNS C17200 Explained

Beryllium Copper UNS C17200 is a high-strength, precipitation-hardenable copper alloy. To begin with, it is renowned for its exceptional combination of mechanical strength, electrical and thermal conductivity, and excellent corrosion resistance. Furthermore, manufactured in accordance with standards such as ASTM B196 and ASTM B441, this alloy achieves its superior properties through precise control of beryllium content followed by solution treatment and age hardening.

Why do engineers and designers choose Beryllium Copper C17200 for critical components? First and foremost, it offers strength levels comparable to many alloy steels while retaining the inherent conductivity and non-sparking characteristics of copper alloys — a combination rarely found in other materials. In addition, its outstanding fatigue resistance, excellent wear properties, and very good dimensional stability ensure long-term reliability in demanding applications. Moreover, its good machinability and excellent formability prior to aging simplify fabrication, while its resistance to galling prevents seizing in moving parts.

Consequently, Beryllium Copper UNS C17200 is widely used in aerospace components, oil and gas tools, and injection molding inserts. Furthermore, it is also trusted in electrical connectors, springs, diaphragms, and non-sparking tools. Equally important, its combination of high strength, conductivity, durability, and consistent performance makes it the material of choice for applications demanding reliability under severe operating conditions.

Need premium Beryllium Copper UNS C17200 round bars for your demanding application? Contact our technical team today — we’ll help you select the right size and specifications for your requirements, and provide a competitive quote tailored to your needs.

Other Types of Beryllium Copper Round Bars

Beryllium Copper Square Bar
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Beryllium Copper Square Bar
  • High-strength square bars made from UNS C17200 alloy
  • Excellent fatigue life and dimensional stability
  • Non-magnetic and non-sparking copper alloy
  • Used in precision tooling, aerospace, and industrial components
Beryllium Copper Hex Bar
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Beryllium Copper Hex Bar
  • Hexagonal bars with consistent geometry and smooth finish
  • Manufactured as per ASTM B441 specifications
  • Good machinability for fasteners and fittings
  • Preferred in oil & gas tools and mechanical assemblies
Beryllium Copper Rectangular Bar
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Beryllium Copper Rectangular Bar
  • Rectangular bars with high load-bearing capability
  • Excellent resistance to wear and corrosion
  • Available in custom sizes and thicknesses
  • Used in structural parts and heavy-duty components
Beryllium Copper Flat Bar
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Beryllium Copper Flat Bar
  • Flat bars with uniform thickness and clean surface
  • Produced from copper-nickel-beryllium alloy
  • Suitable for springs, contacts, and support components
  • Supplied in polished and mill finish conditions
Beryllium Copper Bright Bar
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Beryllium Copper Bright Bar
  • Bright drawn bars with tight dimensional tolerances
  • Enhanced surface finish for precision machining
  • Complies with ASTM B441 and related standards
  • Used in electrical connectors and precision shafts
Beryllium Copper Forged Bar
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Beryllium Copper Forged Bar
  • Forged bars with refined grain structure
  • High toughness and excellent fatigue resistance
  • Reliable performance under high stress conditions
  • Applied in heavy-duty tooling and aerospace parts

BERYLLIUM COPPER ROUND BAR EQUIVALENT GRADES

STANDARD UNS ASTM EN
Beryllium Copper C17200 ASTM B196 / ASTM B441 CuBe2

SPECIFICATION OF BERYLLIUM COPPER ROUND BAR

Product Standard ASTM B441 / ASTM B196
Dimension Standard AMS, ASTM, ASME
Size Custom Diameters and Sizes
Length Random, Fixed, Custom Cut Length
Form Round, Square, Hex (AF), Rectangle, Billet, Ingot, Forging

CHEMICAL COMPOSITION OF BERYLLIUM COPPER ROUND BAR

Grade Be Co Al Si Cu
C17200 1.80 – 2.00 0.20 – 0.60 0.20 max 0.20 max Balance

MECHANICAL PROPERTIES OF BERYLLIUM COPPER ROUND BAR

Grade Tensile Strength (MPa) min Yield Strength 0.2% Proof (MPa) min Elongation (% in 50mm) min Hardness (HRC)
C17200 1050 850 2 35 – 40

💡 Practical Difference in Use

Use Beryllium Copper UNS C17200 Round Bars when: high strength, excellent conductivity, and superior wear and fatigue resistance are required. C17200 is a high-performance beryllium copper alloy designed for applications where both mechanical and electrical performance are critical. → Example: precision springs, connectors, aerospace components, and high-performance tooling.


Bright Finished / Machined Beryllium Copper UNS C17200 Round Bars when: very smooth surface finish, tight dimensional control, and precision machining are needed for critical contact, sliding, or conductive parts. → Example: electrical contacts, precision springs, wear-resistant bushings, and aerospace fittings.

Applications of Beryllium Copper UNS C17200 Round Bars

Beryllium Copper C17200 round bars are chosen where high strength, fatigue resistance, electrical conductivity, and wear performance are more critical than standard copper alloys.

  • Electrical & Electronics: Connectors, switches, springs, and high-reliability contact points.
  • Aerospace & Defense: Precision components, high-strength fasteners, and fatigue-critical parts.
  • Industrial Tooling: Molds, dies, and components requiring wear resistance and non-sparking properties.

When to Choose Beryllium Copper UNS C17200 Round Bars?

Material selection depends on mechanical strength, conductivity, wear resistance, fatigue requirements, and precision machining needs.

Choose Beryllium Copper UNS C17200 Round Bars when:

  • High tensile and yield strength are required
  • Excellent fatigue and wear resistance are needed
  • Good electrical and thermal conductivity are important
  • Used in springs, connectors, and high-performance components
  • Non-sparking or non-magnetic properties are advantageous
  • Precision load-bearing applications are involved

Bright / Machined Beryllium Copper UNS C17200 Round Bars are preferred when:

  • Close dimensional tolerances are required
  • Mirror-like or fine surface finish is essential
  • Precision CNC or grinding operations are involved
  • Consistent microstructure and hardness are critical
  • Used in electrical contacts or aerospace assemblies
  • High surface integrity for sliding/wear applications

Industries That Use Beryllium Copper UNS C17200 Round Bars

Beryllium Copper C17200 round bars are widely used in industries requiring high strength, excellent conductivity, and fatigue resistance.

Electrical & Electronics

Used in critical conductive and contact components.

Uses

Connectors, springs, switches, precision contacts.

Why Beryllium Copper C17200?

High conductivity, wear resistance, and strength.

Aerospace & Defense

Used in high-reliability, fatigue-critical parts.

Uses

Precision fasteners, springs, high-strength components.

Why Beryllium Copper C17200?

Exceptional fatigue resistance and strength-to-weight ratio.

Industrial Tooling

Used in wear-resistant, non-sparking tooling and components.

Uses

Molds, dies, wear bushings, precision machinery parts.

Why Beryllium Copper C17200?

High hardness, durability, and non-magnetic/non-sparking behavior.

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Looking for high-quality Beryllium Copper UNS C17200, ASTM B196/B441 Round Bars & Rods? Our products are manufactured in compliance with ASTM B196 and ASME SB196 standards. Get in touch with us today.

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