6063 aluminum rod introduction

6063 aluminum bar （rod） is a low alloying Al-Mg-Si series high-plasticity alloy. There are many valuable features:
 

1. Enhanced heat treatment, high impact toughness, insensitive to lack.

2. Has excellent thermoplastic properties, can be extruded at high speed into a complex structure. Thin-walled. Hollow variety of profiles or forged complex structure forgings, wide quenching temperature range, low quenching sensitivity, extrusion and forging after demoulding, As long as the temperature is higher than the quenching temperature. It can be quenched with water spray or water. Thin-walled parts (6<3mm) can also be wind-quenched.

3. Excellent weldability and corrosion resistance, no stress corrosion cracking tendency, Al-Mg-Si alloy is the only alloy that has not been found to have stress corrosion cracking in heat-treatable aluminum alloys.

4. The surface after processing is very smooth and easy to anodize and color. The disadvantage is that if it is aged at room temperature for a certain period of time after quenching, it will have an adverse effect on the strength (parking effect).

 

 Effect of alloying elements on performance: 6063 aluminum alloy is a heat-treatable alloy with moderate strength in the AL-Mg-Si series. Mg and Si are the main alloying elements. The main job of the preferred chemical composition is to determine the percentage of Mg and Si. (mass fraction, the same below).
 

 1.1 The role and influence of Mg Mg and Si composition strengthening phase Mg2Si, the higher the content of Mg, the more the number of Mg2Si, the greater the heat treatment strengthening effect, the higher the tensile strength of the profile, but the deformation resistance also With the increase, the plasticity of the alloy decreases, the processing performance deteriorates, and the corrosion resistance deteriorates.

 1.2 Effect and influence of Si The amount of Si should be such that all Mg in the alloy can exist in the form of Mg2Si phase to ensure that the role of Mg is fully exerted. As the Si content increases, the grains of the alloy become finer, the fluidity of the metal increases, the casting performance becomes better, the heat treatment strengthening effect increases, the tensile strength of the profile increases, the plasticity decreases, and the corrosion resistance deteriorates.

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