chemical composition of A572 Gr.60 h section steel beam
Carbon (C): ≤0.23% Manganese (Mn): Maximum 1.35% (For materials with a thickness greater than 100 mm, the manganese content can be increased to 1.60%) Phosphorus (P): ≤0.040% Sulfur (S): ≤0.050% Silicon (Si): Maximum 0.40% Copper (Cu): When used for weather resistance, the minimum content is 0.20% In addition, trace elements such as nickel (Ni), chromium (Cr), and molybdenum (Mo) may also be included, depending on production requirements and standard specifications.