Item # RBCRA-25-5625, Round Beryllium Copper Rod - Alloy 25 On Continental Steel & Tube Co.

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	Item # RBCRA-25-5625, Round Beryllium Copper Rod - Alloy 25

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Alloy 25 (UNS C17200) is the most commonly specified beryllium copper and is available in several wrought forms. In its age-hardened condition, Alloy 25 attains the highest strength and hardness of any commercial copper base alloy. The ultimate tensile strength can exceed 200 ksi, while the hardness approaches Rockwell C45. Also, in the fully aged condition, the electrical conductivity is a minimum of 22% IACS (International Annealed Copper Standard). Alloy 25 also exhibits exceptional resistance to stress relaxation at elevated temperatures.

12' Random Lengths
Condition H (Hardened)
Specifications:CDA 172 ASTM B196
AMS 4650 UNS 17200
Nominal Composition:
Copper: 98.1% Beryllium: 1.9%
Also available in condition A (annealed).

Unit of Measure: Imperial

Specifications · Typical Physical Properties

Specifications

Material		Beryllium Copper

Shapeform		Round Rod

Condition		A (Annealed) H (Hardened)

Type		Alloy 25

Diameter		9/16 inches

Diameter		0.5625 inches

Weight		0.8887 lbs/ft

Weight per 12' Length		10.664 lbs

Nominal Composition		0.20% Min. Cobalt + Nickel 0.6% Max. Cobalt + Nickel + Iron 1.9% Beryllium 98.1% Copper

ASTM Specification		AMS 4650 ASTM B196 CDA 172 UNS 17200

Random Lengths		12 ft

Approvals		AMS 4650 AMS 4651 ASTM B196 ASTM B251 ASTM B643 RWMA Class 4 SAE J461 SAE J463

Typical Physical Properties

Density		0.302 lbs/in³

Elastic Modulus		19 x 10⁶ psi

Coefficient of Thermal Expansion (70ºF to 400ºF)		9.7 x 10⁴ in/in/ºF

Thermal Conductivity		60 Btu/(ft.hr.ºF)

Melting Temperature Range		1600 to 1800 ºF

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Item # RBCRA-25-5625, Round Beryllium Copper Rod - Alloy 25

Material

Shapeform

Condition

Type

Diameter

Diameter

Weight

Weight per 12' Length

Nominal Composition

ASTM Specification

Random Lengths

Approvals

Density

Elastic Modulus

Coefficient of Thermal Expansion (70ºF to 400ºF)

Thermal Conductivity

Melting Temperature Range