Characteristics. Easily forged. Blanking (cold) from strip or thin plate
also a common method of fabrication. Available in a variety of product
forms. As hard as 66 HRC, fully quenched. Microstructure of carbon-rich
martensite and considerable amount of Free carbide. assuming normal
austenitizing temperature is used. Carbon range slightly higher and manganese
content lower than for 1090. This results in the possibility of more
undissolved carbide in the microstructure and slightly lower hardenability