Corrosion is a big issue where metals are concerned. It is an issue when you are dealing with metals in any capacity. But it can become an even bigger problem when the metal is part of some consumer product that will be used outdoors. When consumers buy these items, they are assume they can handle rough use. The good thing about metal is that you can physically put it through a lot and it will stay in shape. And it is relatively inexpensive, which means the consumer items can be very affordable even with metal parts.
But the issue arises when the metal has to stay outdoors for a long time. That is when you are going to start seeing a lot of corrosion. And it happens more in certain climates. But in any case, consumers are not going to tolerate this corrosion. They will see the metal corroding within a year and they will feel as though they got a bad product. They will not purchase that item again. It is the reason why manufacturers must use the nylon coating for metal before they are shipping out their products. These coatings can help in a big way when it comes to corrosion protection.
The reality is that you cannot control for how the metal is going to react to the atmosphere. Corrosion can even happen indoors, but it usually happens faster outdoors. That is why having some type of coating for the metal can help in a big way. It ensures the entire metal is in a good position to last for many years. Even if it is kept outdoors in a humid environment, you are not going to see corrosion. The coating will do its job, which means the product is even more durable than it was before!