What are the main materials of hardware shrapnel? Which one is better?

Netizen asks: What kind of material is generally used for the current hardware shrapnel? Which material is better?　　 metal stamping manufacturer reply: Hello! There are still many materials used in this product, such as manganese steel, brass, stainless steel, phosphor bronze, etc. The specific choice depends on factors such as use and use environment. For example, cold plate nickel plating is sufficient for general purpose, the effect is good, and the cost is not high. The brass material has better embroidery resistance in humid environments than other materials, but the cost is higher. Of course, there are other factors, such as whether or not to weld, what kind of resistance, etc., these must be considered.