AMPCOLOY® 940 Extrusions

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Description

AMPCOLOY® 940 is a patented alloy which meets the demands of users of the RWMA class 3 alloys without beryllium. In the industrialized countries, stricter health and safety instructions on the use of noxious elements have forced AMPCO METAL to develop this new alloy. It replaces the AMPCOLOY® 95 in practically all applications.

Equivalent Materials

Los datos sobre este material han sido proporcionados por AMPCO METAL.

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.

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Propiedades

General

PropertyTemperatureValue

Densidad

23.0 °C

8.71 g/cm³

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Recycled Content

80 %

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Mecánica

PropertyTemperatureValueComment

Dureza Brinell (HBW)

23.0 °C

210 [-]

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HBW 10/3000

Dureza Rockwell B

23.0 °C

95 [-]

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Elongación A5

23.0 °C

13 %

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Estricción

23.0 °C

20 %

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Límite elástico Rp0.5

23.0 °C

510 - 517 MPa

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Límite elástico a la compresión, 0,1%

23.0 °C

552 MPa

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Módulo elástico

23.0 °C

131 GPa

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Resistencia a la tracción

23.0 °C

662 - 689 MPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

23.0 °C

380 J/(kg·K)

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Coeficiente de dilatación térmica

23.0 °C

1.75E-5 1/K

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Conductividad térmica

23.0 °C

208 W/(m·K)

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Eléctrico

PropertyTemperatureValue

Conductividad eléctrica

23.0 °C

2.80E+7 S/m

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Specific Electrical conductivity

48 % IACS

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Chemical properties

PropertyValue

Cobre

Balance

Cromo

0.4 %

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Níquel

2.5 %

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Silicona

0.7 %

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Technological properties

Property
Application areas

AMPCOLOY® 940 is used wherever a good electrical or thermal conductivity is required together with high mechanical properties: Electrode holders and seam welding shafts, Spot welding electrodes, seam welding discs, projection and butt welding dies, principally for stainless steel and Monel, Plunger tips for cold chamber aluminium die casting machines, Parts of moulds for injection moulding of plastics, injection-nozzles and cooling pins, Brake drums for paper winding rolls, Parts for energy engineering