DEF STAN 02-834 / NES 834 Bronze

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Description

This aluminium silicon bronze has similar attributes to the other aluminium bronzes, with a 2% silicon addition to enhance the material strength, corrosion resistance and impact strength whilst also improving the alloy machinability. As an MoD (Navy) specification, this material is subject to special requirements including impact properties and a controlled low magnetic permeability level of <1.05. It shows the following features and properties:

High strength and toughness

Excellent corrosion resistance

High impact strength

Excellent wear resistance

Very low magnetic permeability

Good machinability

Excellent cryogenic properties

Related Standards

Equivalent Materials

Los datos sobre este material han sido proporcionados por Matmatch.

A menos que se indique lo contrario, todas las medidas corresponden a condiciones de temperatura ambiente. A menos que se indique lo contrario, se utilizan las unidades del SI.
Las normas armonizadas son similares a uno o varios estándares del proveedor. Es posible que algunas normas armonizadas se ajusten al estándar original, mientras que otras pueden quedar fuera de su alcance.

Ashby charts

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Propiedades

General

Property	Temperature	Value
Densidad	23.0 °C	7.8 g/cm³ Show Material materials with Densidad of 7.8 g/cm³

Mecánica

Property	Temperature	Value
Charpy impact energy, V-notch	23.0 °C	33 J Show Material materials with Charpy impact energy, V-notch of 33 J
Elongación	23.0 °C	9 - 20 % Show Material materials with Elongación of 9 - 20 %
Límite elástico Rp 0,2	23.0 °C	220 - 310 MPa Show Material materials with Límite elástico Rp 0,2 of 220 - 310 MPa
Resistencia a la tracción	23.0 °C	515 - 620 MPa Show Material materials with Resistencia a la tracción of 515 - 620 MPa

Aplicaciones térmicas

Property	Temperature	Value	Comment
Coeficiente de dilatación térmica	23.0 °C	1.8E-5 1/K Show Material materials with Coeficiente de dilatación térmica of 1.8E-5 1/K	for 0-300°C
Conductividad térmica	23.0 °C	45 W/(m·K) Show Material materials with Conductividad térmica of 45 W/(m·K)
Temperatura de fusión		980 - 1010 °C Show Material materials with Temperatura de fusión of 980 - 1010 °C

Eléctrico

Property	Temperature	Value
Conductividad eléctrica	23.0 °C	4.06E+6 - 5.22E+6 S/m Show Material materials with Conductividad eléctrica of 4.06E+6 - 5.22E+6 S/m
Specific Electrical conductivity		7 - 8 % IACS Show Material materials with Specific Electrical conductivity of 7 - 8 % IACS

Magnético

Property	Temperature	Value
Permeabilidad magnética relativa	23.0 °C	1 [-] Show Material materials with Permeabilidad magnética relativa of 1 [-]

Chemical properties

Property	Value	Comment
Aluminio	6 - 6.4 % Show Material materials with Aluminio of 6 - 6.4 %
Cobre	Balance
Hierro	0.5 - 0.7 % Show Material materials with Hierro of 0.5 - 0.7 %
Manganeso	0.5 % Show Material materials with Manganeso of 0.5 %	max.
Silicona	2 - 2.4 % Show Material materials with Silicona of 2 - 2.4 %

Technological properties

Property
Application areas	Offshore & marine: High strength and non-magnetic fasteners and components;Other: Fasteners, safety tooling, valve components, non-magnetic parts, marine hardware, gears, bearings and bushes and instrumentation components
Corrosion properties	Excellent corrosion resistance
General machinability	Good machinability