Specification for extrusion of aluminum profiles

I. Definition of Industrial Aluminum
1) industrial aluminum alloy profile is an alloy material with aluminum as the main component. Aluminum rods are hot melted and extruded to obtain aluminum materials with different cross-sectional shapes. However, the mechanical properties and application fields of the produced industrial aluminum profiles are also different due to different proportions of added alloys.
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2) the implementation standard is GB/T5237.1-2004.

3) Generally speaking, industrial aluminum profiles refer to all aluminum profiles except for architectural doors and windows, curtain walls, indoor and outdoor decoration and architectural structures.
The important problem of extrusion is the control of metal temperature. From the start of ingot heating to the quenching of extrusion profile, the soluble phase should not separate out from solid solution or show dispersion and precipitation of small particles. The heating temperature of 6063 alloy ingot is generally set within the temperature range of Mg2Si precipitation, and the heating time has an important influence on Mg2Si precipitation. Rapid heating can greatly reduce the time of possible precipitation. Generally speaking, the heating temperature for 6063 alloy ingot can be set to 460-520℃ for non-uniform ingot. Homogenized ingot: 430-480℃.

The extrusion temperature is adjusted according to different products and unit pressure during operation.
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