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2A12 2024 2017 Aluminum Forgings Die Forged Parts

Last Updated: 2023-09-30

Prodsucts Description

Forging is a manufacturing process involving the shaping of metal using localized compressive forces. The blows are delivered with a hammer (often a power hammer) or a die. Forging is often classified according to the temperature at which it is performed: cold forging (a type of cold working), warm forging, or hot forging (a type of hot working). For the latter two, the metal is heated, usually in a forge. Forged parts can range in weight from less than a kilogram to hundreds of metric tons. Forging has been done by smiths for millennia; the traditional prodsucts were kitchenware, hardware, hand tools, edged weapons, cymbals, and jewelry. Since the Industrial Revolution, forged parts are widely used in mechanisms and machines wherever a component requires high strength; such forgings usually require further processing (such as machining) to achieve a finished part. Today, forging is a major worldwide industry.

Prodsuct Parameter

Chemical Composition(GB/T 3190-2008)
20170.20~0.800.73.5~4.50.4~1.00.4~0.80, 10-0. 250. 150.050. 15Remainder
20240.50. 503.8~4.90.30~0.901.2~1.80. 10-0. 250. 150.050.15Remainder
2A120.50.53.8~4.90.30~0.91.2~1.80.50 Fe Ni0.

Prodsuct Feature

Aluminum forging is performed at a temperature range between 350–550 °C.

Forging temperatures above 550 °C is too close to the solidus temperature of the alloys and lead in conjunction with varying effective strains to unfavorable workpiece surfaces and potentially to a partial melting as well as fold formation.

Forging temperatures below 350 °C reduce formability by increasing the yield stress, which can lead to unfilled dies, cracking at the workpiece surface, and increased die forces.

Due to the narrow temperature range and high thermal conductivity, aluminum forging can only be realized in a particular process window. To provide good forming conditions a homogeneous temperature distribution in the entire workpiece is necessary. Therefore, the control of the tool temperature has a major influence on the process. For example, by optimizing the preform geometries the local effective strains can be influenced to reduce local overheating for more homogeneous temperature distribution.

Application of aluminium forged parts

High-strength aluminium alloys have the tensile strength of medium-strong steel alloys while providing significant weight advantages. Therefore, aluminium forged parts are mainly used in aerospace, automotive industry and many other fields of engineering especially in those fields, where highest safety standards against failure by abuse, by shock or vibratory stresses are needed. Such parts are for example pistons,[citation needed] chassis parts, steering components and brake parts. Commonly used alloys are AlSi1MgMn (EN AW-6082) and AlZnMgCu1,5 (EN AW-7075). About 80% of all aluminium forged parts are made of AlSi1MgMn. The high-strength alloy AlZnMgCu1,5 is mainly used for aerospace applications.

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