The specific reasons are as follows.
In fact, whether it is Bentley, Rolls-Royce or any high-end car model, basically all use aluminum alloy anti-collision steel beams, and the reason why luxury cars use such Crash-proof steel beams are there for a reason too.
Aluminum is a very common metal and is widely used in China. If we add other metals to aluminum, then this mixed metal is aluminum alloy. Aluminum The alloy is very strong, and everyone should have no objection to this. High-end cars generally use more aluminum alloys. Whether it is wheels, suspension, body, and of course anti-collision beams, etc., they are all made of high-grade aluminum alloy materials.