With a strong hinge for floor standing enclosure you can make sure it's a bit harder to get into and helps make sure that the enclosure can last longer before you need to repair or replace it. This is especially important with any enclosures that are meant to keep things like electrical generators safe from people and the weather. Making sure that whatever you're trying to keep enclosed does not break, stolen or destroyed deliberately by someone else is a basic measure you can take for security and likely the most important one. When designing a proper place to keep something important in, it is paramount to keep the conditions, circumstances and weather in mind so that there will be no damage caused by temperature drops, moist or anything else related to weather. Even a hinge for floor standing enclosure matters for that purpose.
When deciding on what materials to use, the design you want and where to get it all from, you need to consider all manner of things before coming to a decision. While it can be hard to know what the most optimal solution will be it always pays off to make sure that even the smallest thing like a hinge for a floor standing enclosure is of good quality and can withstand whatever environmental changes that may happen, thieves or any other potential threats that the floored enclosure may happen to it. It doesn't hurt to ask for opinions and advice.