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

According to the manufacturering process, there are two types of metal, the hot roll metal and cold roll metal. What are the difference between the two types of metal sheet? The mainly difference is temperature. The hot roll steel is made under the high temperatures. The cold roll steel bascially is