This die becomes shorter and wider until it can never expand anymore due to container wall restriction. That’s when the aluminum material starts forcing its way out through the die’s orifice and form a particular profile.
Columns are the round or square pillars, posts or poles that flank an entranceway, and a cover flange or escutcheon is a piece of metal that is used for decoration or protection. These are typically found around the base of a post or at a point where the rail ends against a solid wall.
The decorative pieces that sit atop a post on a wrought iron fence in order to cover it are called post caps. These keep debris and water from building up inside the post, and they come in a range of designs from ball style caps to less ornate ‘flat’ or ‘standard’ post caps.


CNC / Precise cutting / Punching / Checking / Tapping / Drilling / Milling / Fabricating
Another factor that works in favor of colored aluminium window frames is their comparative superiority over other materials. Take examples of fiberglass, vinyl, and wood frames; aluminum works well then all of them. A big reason for this is aluminium reduces heat and cold. The surface of colored aluminium window frames is most often endowed with thermally-improved qualities. This particular facet makes colored these work well with improved energy efficiency.
To ensure that the rollers of your aluminum sliding windows remain in good working condition, regular maintenance is essential
. Here are some tips
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Can be divided into casement window frame, casement window fan two kinds. Casement aluminum window frame profile models have 60 series and 70 series of two kinds, of which 60 series profile thickness of 1.4mm, suitable for smaller windows. While 70 series of profile thickness of 1.6mm, higher strength, suitable for larger windows.
As for the common casement aluminum window sash profiles, there are 38 series, 50 series and 60 series. Of these, the 38 series is suitable for windows that open smaller, the 50 series for average sized windows and the 60 series for larger windows.
It is worth mentioning that aluminium window joinery has not always been so popular. Until recently, it was regarded as cold joinery, and there was a lot of truth in that. Therefore, whilst aluminium was used in warehouses, offices and shops, it was not used in single-family homes. Nowadays, the situation is quite different – of course, aluminium does not feel as ‘warm’ as wood and, when the frame comes into contact with a warm hand, it will feel cooler than, say, pine. This is all due to the fact that aluminium does not have as much ability to absorb heat. However, we should add that in reality its temperature will often be the same as that of the aforementioned wood.