Cast aluminium outdoor chair

Cast aluminium outdoor chair

Now parks or some public places will have leisure outdoor chairs, which can provide convenience for many users. So do you know what the material of leisure outdoor chairs is? Many people know that their chairs have strong feet. Some of them have been used for too long. They look rusty. They are made of pig iron. But most of them are outdoor fixed leisure chairs. Let's have a simple understanding of them.

Cast aluminium has high carbon content, brittle material, low tensile strength, no yielding and necking phenomenon, the section after breaking is basically unchanged, and the tensile performance is poor. But the casting performance is better. At present, the legs of outdoor chairs on the market are generally cast aluminium. Cast aluminium is divided into grey cast aluminium, nodular cast aluminium, malleable cast aluminium, etc. Grey cast aluminium: the fracture is dark grey. It is easy to produce, low cost, wear-resistant and vibration-reducing performance, easy to cast, outdoor leisure chair legs are grey iron technology. Malleable cast aluminium: It is a kind of cast aluminium with good toughness obtained by annealing white cast aluminium blanks at high temperature for a long time, so its strength and toughness are obviously improved compared with gray cast aluminium . Ductile cast aluminium: graphite cast aluminium, which is mostly or completely spherical, has higher strength and plasticity.

Outdoor furniture A public facility for visitors to rest and recreation in an outdoor place, using a variety of high-quality materials through advanced equipment systems.

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