AMPCO® 21 Extruded and drawn rounds and rectangular bars

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Description

The increase in the Al and Fe content results in a material in which the hard gamma 2 phase (about 400 HB) is present. By proper metallurgical control this hard constituent is uniformly distributed giving this alloy its ability to resist wear.

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

7.2 g/cm³

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Recycled Content

80 %

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Mecánica

PropertyTemperatureValueComment

Dureza Brinell (HBW)

23.0 °C

286 [-]

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HBW 10/3000

Dureza Rockwell C

23.0 °C

29 [-]

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Elongación A5

23.0 °C

1 %

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Energía de impacto Charpy

23.0 °C

2.7 J

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Energía de impacto Izod

23.0 °C

2.7 J

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Estricción

23.0 °C

0.5 %

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Límite elástico Rp0.5

23.0 °C

400 - 420 MPa

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Límite elástico a la compresión, 0,1%

23.0 °C

343 - 421 MPa

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Límite proporcional en compresión

23.0 °C

200 MPa

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Módulo elástico

23.0 °C

110 GPa

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Resistencia a la compresión

23.0 °C

1108 - 1227 MPa

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Resistencia a la tracción

23.0 °C

724 - 758 MPa

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Resistencia al cizallamiento

23.0 °C

413 MPa

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Aplicaciones térmicas

PropertyTemperatureValue

Calor específico

23.0 °C

420 J/(kg·K)

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Coeficiente de dilatación térmica

23.0 °C

1.62E-5 1/K

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Conductividad térmica

23.0 °C

46 W/(m·K)

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Eléctrico

PropertyTemperatureValue

Conductividad eléctrica

23.0 °C

6.00E+6 S/m

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Specific Electrical conductivity

10 % IACS

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Chemical properties

PropertyValue

Aluminio

13.1 %

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Cobre

Balance

Hierro

4.4 %

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Otro

2.5 %

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Technological properties

Property
Application areas

AMPCO® 21 is used for guide port bushings and wear strips replacing hardened steel and for some cams when no impact is involved. However, the largest single use is as die rings, inserts, forming rolls, etc. in forming, bending or drawing operations, especially when stainless steel is the material being processed. AMPCO® 21 is also widely used as work support blades for the centerless grinding of steel rods.