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ToughMet® 3 AT (Kupfer-Nickel-Zinn-Legierung)

Materion’s 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.

Further informationen can be found here.

image of the material
construction Stangen; Rohre; geschmiedete Ringe
alternative naming
  • abbreviation: UNS C72900, AMS 4596, AMS 4598
  • Englisch: Copper Nickel Tin Alloy

Physical Properties

Name Value Method and conditions
density 9 g/cm³
Mechanical properties
 
Poisson's ratio 0.33
Rockwell hardness (C) 26 HRC Stange / Wärmebehandlung (AT90) / D = 25.4 mm bis 101.5 mm
26 HRC Stange / Wärmebehandlung (AT90) / D = 101.6 mm bis 228.6 mm
30 HRC Stange / Wärmebehandlung (AT110) / D = 15.1 mm bis 101.5 mm
30 HRC Stange / Wärmebehandlung (AT110) / D = 101.6 mm bis 228.6
22 HRC Rohr / Wärmebehandlung (AT90) / D = 41 mm bis 101.5 mm
22 HRC Rohr / Wärmebehandlung (AT90) / D = 101.6 mm bis 164 mm
22 HRC Rohr / Wärmebehandlung (AT90) / D = 165 mm bis 203 mm
30 HRC Rohr / Wärmebehandlung (AT110) / D = 41 mm bis 101.5 mm
30 HRC Rohr / Wärmebehandlung (AT110) / D = 101.6 mm bis 203 mm
30 HRC Rohr / Wärmebehandlung (AT110) / D = 203.2 mm bis 330 mm
28 HRC Ringe / Wärmebehandlung (AT) / D = 380 mm bis 2032 mm
tensile modulus of elasticity 144 kN/mm²
tensile strain at break 15 % Stange / Wärmebehandlung (AT90) / D = 25.4 mm bis 101.5 mm
12 % Stange / Wärmebehandlung (AT90) / D = 101.6 mm bis 228.6 mm
10 % Stange / Wärmebehandlung (AT110) / D = 15.1 mm bis 101.5 mm
6 % Stange / Wärmebehandlung (AT110) / D = 101.6 mm bis 228.6
15 % Rohr / Wärmebehandlung (AT90) / D = 41 mm bis 101.5 mm
12 % Rohr / Wärmebehandlung (AT90) / D = 101.6 mm bis 164 mm
12 % Rohr / Wärmebehandlung (AT90) / D = 165 mm bis 203 mm
10 % Rohr / Wärmebehandlung (AT110) / D = 41 mm bis 101.5 mm
6 % Rohr / Wärmebehandlung (AT110) / D = 101.6 mm bis 203 mm
5 % Rohr / Wärmebehandlung (AT110) / D = 203.2 mm bis 330 mm
4 % Ringe / Wärmebehandlung (AT) / D = 380 mm bis 2032 mm
tensile strength 760 MPa Stange / Wärmebehandlung (AT90) / D = 25.4 mm bis 101.5 mm
760 MPa Stange / Wärmebehandlung (AT90) / D = 101.6 mm bis 228.6 mm
910 MPa Stange / Wärmebehandlung (AT110) / D = 15.1 mm bis 101.5 mm
875 MPa Stange / Wärmebehandlung (AT110) / D = 101.6 mm bis 228.6
760 MPa Rohr / Wärmebehandlung (AT90) / D = 41 mm bis 101.5 mm
760 MPa Rohr / Wärmebehandlung (AT90) / D = 101.6 mm bis 164 mm
760 MPa Rohr / Wärmebehandlung (AT90) / D = 165 mm bis 203 mm
895 MPa Rohr / Wärmebehandlung (AT110) / D = 41 mm bis 101.5 mm
895 MPa Rohr / Wärmebehandlung (AT110) / D = 101.6 mm bis 203 mm
895 MPa Rohr / Wärmebehandlung (AT110) / D = 203.2 mm bis 330 mm
758 MPa Ringe / Wärmebehandlung (AT) / D = 380 mm bis 2032 mm
yield strength 0,2 % 620 MPa Stange / Wärmebehandlung (AT90) / D = 25.4 mm bis 101.5 mm
620 MPa Stange / Wärmebehandlung (AT90) / D = 101.6 mm bis 228.6 mm
760 MPa Stange / Wärmebehandlung (AT110) / D = 15.1 mm bis 101.5 mm
760 MPa Stange / Wärmebehandlung (AT110) / D = 101.6 mm bis 228.6
620 MPa Rohr / Wärmebehandlung (AT90) / D = 41 mm bis 101.5 mm
620 MPa Rohr / Wärmebehandlung (AT90) / D = 101.6 mm bis 164 mm
620 MPa Rohr / Wärmebehandlung (AT90) / D = 165 mm bis 203 mm
760 MPa Rohr / Wärmebehandlung (AT110) / D = 41 mm bis 101.5 mm
760 MPa Rohr / Wärmebehandlung (AT110) / D = 101.6 mm bis 203 mm
760 MPa Rohr / Wärmebehandlung (AT110) / D = 203.2 mm bis 330 mm
724 MPa Ringe / Wärmebehandlung (AT) / D = 380 mm bis 2032 mm
Electrical and magnetic properties
 
electrical conductivity < 4 mS / m
magnetic permeability < 1.001
Thermal properties
 
coefficient of linear thermal expansion 1.66E-5 m/(m*°C)
thermal conductivity 38 W / (m °C)

Chemical Properties

chemical composition (weight percent)
Ni

15 %

Sn

%

Cu

Rest %

Certificates

Regulation Country Part Remark Valid until Certificate
Verordnung (EG) 1935/2004 EU konform 04/2021 document
§§30 und §§31 Lebensmittel-, Bedarfsgegenstände- und Futtermittelgesetzbuch (LFGB) D konform 04/2021 document

Producer

Materion Brush GmbH

Data Provided by

Materion Brush GmbH

Allgemeine Kontaktdaten Materion Brush GmbH
0711830930
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disclaimer

Only the buyer can determine the appropriateness of any processing practice, end-product or application. Materion does not make any warranty regarding its recommendations, the suitability of Materion's product, or its processing suggestions for buyer's end product, application or equipment. The properties presented on this data sheet are for reference purposes only, intended only to initiate the material selection process. They do not constitute, nor are they intended to constitute, a material specification. Material will be produced to one of the applicable industry standards, if any, listed in the Industry Standards and Specification section. Actual properties may vary by thickness and/or part number. Please contact your local sales engineer for detailed properties to be used in simulation. Any properties marked as preliminary are subject to change at any time as the manufacturing process is further refined.

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Last update: 05.11.2021
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