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Copper Alloys Beryllium Copper, C170

Related Metals:

Specifications:

Chemistry Data

Aluminum

0.2 max

Berrylium

1.6 - 1.79

Nickel

+ Fe + Co

Remainder Total

Cu, includes Ag, and the sum of named elements

Silicon

0.2 max

General Information

Principal Design Features

High Copper Alloy. Beryllium Coppers are available in ductile, heat treatable tempers and in mill hardened tempers. Alloys are used in a wide range of applications requiring very high strength and stiffness with good conductivity.

Applications

Typical uses include electrical/electronic connectors, current-carrying springs, precision screw machined parts, welding electrodes, bearings, plastic molds and corrosion resistant components.

Machinability

The machinability rating of this alloy is 20. (Where Alloy 360 FC Brass is 100).

Welding

Soldering is rated as "good", brazing is rated as "good", oxyacetylene welding is "not recommended", gas shielded arc welding is rated as "good", coated metal arc welding is rated as "good", spot welding is rated as " good", seam welding is rated as " fai

Forging

The hot forgeability rating of this alloy is not given. (Forging brass=100). The recommended hot working temperature for this alloy is between 1200-1500 F.

Hot Working

This alloy's capacity for being hot formed is rated as "good".

Cold Working

The capacity for cold working this alloy is rated as "excellent".

Annealing

The annealing temperature for this alloy is between 1425-1475 F.

Physical Data

Density (lb / cu. in.)

0.304

Electrical Resistivity (microhm-cm (at 68 Deg F))

46.2

Melting Point (Deg F)

1590

Modulus of Elasticity Tension

18500