Round steel bars coded EN43AE01100028 are essential raw materials used in the manufacturing and repair of MAN L21/31 engine components. These bars are made from high-grade steel with excellent machinability and strength, enabling them to be transformed into precision-engineered parts such as shafts, pins, or custom fittings. Their consistent diameter and metallurgical properties ensure that the resulting components meet the rigorous demands of marine and industrial engine performance.