"Semi-metallic" generally refers to a material that contains a combination of metallic and non-metallic components. This term is commonly used in various contexts:1. **Brake Pads:** - *Composition:* In the context of brake pads, "semi-metallic" refers to a type of brake pad that contains a mix of

The flat bar also named as the rectangular bars. You can tell from its name, the steel flat bar is long and rectangular-shaped metal. You can see the steel flat bars in many places, like the structural and architectural industry. The flat bars can be made of the aluminum, stainless steel and etc,. A