Structure and Components
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Leaf Plates:
Typically composed of two metal plates, which serve as the main load-bearing parts of the hinge. Their shape and size vary depending on specific usage requirements. Common materials include stainless steel, iron, or copper to ensure sufficient strength and durability. -
Pin (Hinge Shaft):
The key component that connects the two leaf plates, allowing them to rotate relative to each other. The pin is usually made of high-hardness metal, such as carbon steel, to prevent deformation over long-term use and ensure smooth hinge operation.

