The Cu bearing hot rolled sheet steel is a heat treatment strengthened steel, and its strength is increased by 200 MPa by short time heat treatment after forming.

• 含铜热轧薄板是一种热处理强化类型钢，经时效热处理使铜析出，产生强烈沉淀硬化，钢的抗拉强度在原基础上提高200MPa以上。