Rockstar 400 is a type of steel plate that is known for its high strength and durability. It is a popular choice for various industrial applications, including: - Construction equipment - Industrial machinery - Automotive parts - General engineering - High-strength applications Here are some key properties and characteristics of Rockstar 400 steel: - Grade: Rockstar 400 - Material: High-Strength Low-Alloy (HSLA) Steel - Thickness: 4mm-150mm - Width: 1000mm-3000mm - Length: 3000mm-12000mm - Yield Strength: 400 MPa (min) - Tensile Strength: 600-800 MPa - Elongation: 15% (min) - Impact Test: -20°C (optional) - Heat Treatment: As rolled or normalized Rockstar 400 steel is known for its excellent strength, toughness, and weldability, making it a popular choice for various industrial applications. Note: Rockstar 400 is a proprietary grade of steel, and its exact composition and properties may vary depending on the specific manufacturer or supplier.