ToughMet® 3AT Rod AT90 (C72900)

Alternative and trade names
ToughMet® 3AT Alloy

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Description

ToughMet 3 AT alloy is a wrought, spinodally hardened copper alloy engineered for high strength and hardness. It resists mechanical wear, galling, stress relaxation, corrosion and erosion. ToughMet 3 alloy retains its strength at elevated temperature. It is non-magnetic and easy to machine into complex components.

Related Standards

This material data has been provided by Materion Brush GmbH.

"Typical" values were obtained via a literature search. "Predicted" values were imputed via artificial intelligence technology. While we have placed significant efforts in ensuring data accuracy, "typical" and "predicted" data should be considered indicative and verified by appropriate material testing. Please do contact us if additional information on the the predicted data method is required.
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

Property	Temperature	Value
Density	23.0 °C	9 g/cm³ Show Supplier Material materials with Density of 9 g/cm³

Dimension

Property	Value
Diameter	25.4 - 228.6 mm Show Supplier Material materials with Diameter of 25.4 - 228.6 mm

Mechanical

Property	Temperature	Value
Elastic modulus	23.0 °C	144 GPa Show Supplier Material materials with Elastic modulus of 144 GPa
Elongation	23.0 °C	12 - 15 % Show Supplier Material materials with Elongation of 12 - 15 %
Hardness, Rockwell C	23.0 °C	26 [-] Show Supplier Material materials with Hardness, Rockwell C of 26 [-]
Poisson's ratio	23.0 °C	0.33 [-] Show Supplier Material materials with Poisson's ratio of 0.33 [-]
Tensile strength	23.0 °C	760 MPa Show Supplier Material materials with Tensile strength of 760 MPa
Yield strength Rp0.2	23.0 °C	620 MPa Show Supplier Material materials with Yield strength Rp0.2 of 620 MPa

Thermal

Property	Temperature	Value
Coefficient of thermal expansion	23.0 °C	1.64E-5 1/K Show Supplier Material materials with Coefficient of thermal expansion of 1.64E-5 1/K
Thermal conductivity	23.0 °C	38 W/(m·K) Show Supplier Material materials with Thermal conductivity of 38 W/(m·K)

Electrical

Property	Temperature	Value	Comment
Electrical conductivity	23.0 °C	4.00E+6 S/m Show Supplier Material materials with Electrical conductivity of 4.00E+6 S/m	max.
Specific Electrical conductivity		7 % IACS Show Supplier Material materials with Specific Electrical conductivity of 7 % IACS	max.

Magnetic

Property	Temperature	Value
Relative magnetic permeability	23.0 °C	1 [-] Show Supplier Material materials with Relative magnetic permeability of 1 [-]

Chemical properties

Property	Value
Copper	Balance
Nickel	15 % Show Supplier Material materials with Nickel of 15 %
Tin	8 % Show Supplier Material materials with Tin of 8 %

Technological properties

Property
Application areas	ToughMet 3 AT alloy is used for bushings and bearings for commercial aircraft, high performance engines as well as mining, industrial and heavy equipment. It is also used to make oil and gas drilling hardware, including rotary steerable housings, kelly valve seats and pressure housings.
Surface Finish	Mill hardened finish

ToughMet® 3AT Rod AT90 (C72900)

Description

Related Standards

Ashby charts

Applications

Materials by this supplier

Properties