EN19 Steel is a high-quality alloy steel containing chromium and molybdenum, known for its high fatigue strength, toughness, abrasion resistance, and impact resistance. It falls under low alloy steel and can be heat-treated to achieve a range of properties. EN19 steel is often used in demanding mechanical engineering applications, particularly in the automotive, oil, and gas industries. EN19 corresponds to the 709M40 grade in the updated BS 970-1996 standard and is valued for its versatility and strength.