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Hot-Rolled Square Bar is a flat, square/rectangular-shaped bar of hot-rolled mild steel. Made primarily from carbon steel (e.g., C20, C45, S235, S355, etc.) or alloy steel (e.g., 42CrMo4), these bars exhibit enhanced ductility, toughness, and machinability due to
the hot-rolling technique, which refines their grain structure and reduces internal stresses. It is widely used for all general fabrication and repairs in industrial maintenance, agricultural implements, construction, transportation equipment, structural support, etc.