Leading En19 Round Bar Chemical Composition in India
E19 is a high quality, high tensile strength, which is usually supplied readily machine able in “T” condition giving good ductility and shock resisting properties combined with resistance to wear. En19 Round bar is also known as American SAE 4140 round bar. 4140 round bar is a 1% chromium – molybdenum medium hardenability general purpose. It is suitable for various applications. It is possible to machine the E19 extremely accurately. The variation noted in the heat treatment is due to several factors.