ASTM B643 Grade C17200 TH04

Alternative and trade names
Alloy 25 (C17200) Tube,Alloys 25 (C17200) Forgings and Extrusions,Alloy 25 (C17200) Wire
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Description

Alloy 25 Tube from Materion Performance Alloys provides the highest strength of any copper alloy, with electrical conductivity considerably greater than other high strength copper alloys. This alloy features high fatigue strength and magnetic permeability approaching unity.

Related Standards

Equivalent Materials

This material data has been provided by MakeItFrom.com,Materion Brush GmbH.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.

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Properties

General

PropertyTemperatureValue

Density

23.0 °C

8.3 - 8.8 g/cm³

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Dimension

PropertyValue

Diameter

1.27 - 12.7 mm

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Outside diameter

9.5 - 76 mm

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Wall thickness

10-20% of outside diameter

Mechanical

PropertyTemperatureValueComment

Elastic modulus

23.0 °C

130 - 131 GPa

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Elongation

23.0 °C

1 - 60 %

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min.,min., for wire with 0.1mm diameter and more.

Hardness, Rockwell B

23.0 °C

45 - 85 [-]

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Tensile strength

23.0 °C

410 - 1590 MPa

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Yield strength

23.0 °C

1220 MPa

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Yield strength Rp0.2

23.0 °C

130 - 1520 MPa

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Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

23.0 °C

1.75E-5 - 1.8E-5 1/K

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Melting point

870 °C

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Specific heat capacity

23.0 °C

360 J/(kg·K)

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Thermal conductivity

23.0 °C

105 - 110 W/(m·K)

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Electrical

PropertyTemperatureValue

Electrical resistivity

23.0 °C

5.8E-6 - 7.8E-6 Ω·m

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Specific Electrical conductivity

22 - 30 % IACS

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Magnetic

PropertyTemperatureValueComment

Relative magnetic permeability

23.0 °C

1 [-]

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max.

Chemical properties

PropertyValueComment

Aluminium

0 - 0.2 %

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Beryllium

1.8 - 2 %

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Cobalt

0.2 %

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min. Nickel + Cobalt

Copper

96.1 - 98 %

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Balance

Iron

0 - 0.6 %

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max., Nickel + Cobalt + Iron,max. Nickel + Cobalt + Iron

Lead

0.2 - 0.6 %

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Nickel

0.2 - 0.6 %

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min. Nickel + Cobalt

Other

0 - 0.5 %

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Silicon

0 - 0.2 %

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Technological properties

Property
Application areas

Typical applications include bushings and bearings for aircraft as well as drill collars and instrument housings for oil and gas exploration.,Typical applications for parts finished by forging or extrusion of these alloys include undersea instrument and repeater housings, generator rings, and resistance welding components.,Typical applications include precision coil springs and pins for burn-in and test socket contacts and probe pins, computer processor socket contacts, cold headed fasteners, modular jack contacts, woven mesh electromagnetic shielding gaskets and resilient eyeglass frames.,EtchMet alloy is a material that is tailor made for the springs in voice coil motors and optical image stabilization systems common in smart phone cameras.