What is YST 310? (135) YST 310 is a type of hollow structural steel section commonly used in the construction industry. It has a circular or rectangular shape with a thickness of 3-10 mm and is often used for large industrial and commercial applications, such as columns, beams, walls, and floors. Its high strength-to-weight ratio makes it ideal for constructing buildings that are strong yet lightweight. Additionally, its malleability allows…