DEF STAN 02-835 Copper Alloy

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Description

DEF STAN 02-835 Copper Alloy is a hot forged, stress relieved high strength cupronickel developed primarily for marine and offshore applications. The alloy contains around 14.5% nickel, 4.5% manganese and smaller additions of aluminium and iron to increase the overall material strength and corrosion resistance. Specified as an MoD (Navy) grade, it combines the inherent corrosion resistance and antibiofouling benefits of traditional cupronickels whilst offering higher strength and toughness levels than the aluminium bronzes. It shows the following features and properties:

High strength

Excellent corrosion and biofouling resistance

High impact strength retained down to cryogenic temperatures

Spark resistance

Related Standards

Equivalent Materials

UNS C72420

Diese Materialdaten wurden von Matmatch zur Verfügung gestellt

Alle Daten beziehen sich auf Raumtemperatur soweit nicht anderweitig spezifiziert. SI Einheiten werden verwendt soweit nicht anderweitig spezifiziert.
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Ashby charts

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Eigenschaften

Allgemein

Property	Temperature	Value
Dichte	23.0 °C	8.53 g/cm³ Show Material materials with Dichte of 8.53 g/cm³

Mechanisch

Property	Temperature	Value
Charpy impact energy, V-notch	23.0 °C	40 J Show Material materials with Charpy impact energy, V-notch of 40 J
Dehnung	23.0 °C	18 - 22 % Show Material materials with Dehnung of 18 - 22 %
Streckgrenze Rp 0,2	23.0 °C	400 - 430 MPa Show Material materials with Streckgrenze Rp 0,2 of 400 - 430 MPa
Zugfestigkeit	23.0 °C	710 - 725 MPa Show Material materials with Zugfestigkeit of 710 - 725 MPa

Thermisch

Property	Temperature	Value	Comment
Koeffizient der thermischen Ausdehnung	23.0 °C	1.6E-5 1/K Show Material materials with Koeffizient der thermischen Ausdehnung of 1.6E-5 1/K	for 0-400°C
Schmelzpunkt		1030 - 1085 °C Show Material materials with Schmelzpunkt of 1030 - 1085 °C
Wärmeleitfähigkeit	23.0 °C	25 W/(m·K) Show Material materials with Wärmeleitfähigkeit of 25 W/(m·K)

Elektrisch

Property	Temperature	Value
spezifischer Widerstand	23.0 °C	3.5E-7 Ω·m Show Material materials with spezifischer Widerstand of 3.5E-7 Ω·m

Magnetisch

Property	Temperature	Value	Comment
Relative magnetische Permeabilität	23.0 °C	1.01 [-] Show Material materials with Relative magnetische Permeabilität of 1.01 [-]	max.

Chemical properties

Property	Value	Comment
Aluminium	1 - 2 % Show Material materials with Aluminium of 1 - 2 %
Andere	0.3 % Show Material materials with Andere of 0.3 %	max., Inosinic acid (IMP)
Chrom	0.5 % Show Material materials with Chrom of 0.5 %
Eisen	0.7 - 1.2 % Show Material materials with Eisen of 0.7 - 1.2 %
Kupfer	Balance
Mangan	3.5 - 5.5 % Show Material materials with Mangan of 3.5 - 5.5 %
Nickel	13.5 - 16.5 % Show Material materials with Nickel of 13.5 - 16.5 %

Technological properties

Property
Application areas	Offshore & marine: Critical marine fasteners, gears, shafts, pipe couplings, sonar equipment, connectors, flanges and subsea components
Corrosion properties	Excellent corrosion and pitting resistance in marine environments
General machinability	Easily machined