EN19 ALLOY STEEL

EN19 Alloy Steel

EN19 Alloy Steel

Blog Article

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.

EN19 Grade Application:


EN19 is widely used in mechanical and engineering applications requiring high tensile strength and durability. Its typical uses include:


    • Gears, pinions, shafts, and spindles

    • High-stress fasteners like bolts and studs

    • Components in the oil, gas, and automotive industries



EN19 Equivalent Grades:


    • BS: 709M40

    • DIN: 42CrMo2

    • IS: 40Cr4Mo3

    • EN: EN19

    • SAE/AISI: 4140



Other Supplied Grades:

MS, EN1A, EN3B, EN8, EN8D, EN9, EN24, EN31, EN32B, EN36C, EN41B, IS2062, 42CrMo4, HCHCR, D2, D3, H11, H13, CW1, OHNS, M2, M35, M42, DIN-1.2714, P20, SAE1018, SAE4140, 16MnCr5, C45, S40C, S355J2G3, etc.

EN19 Hardness:




    • Brinell Hardness: 197 HB



EN19 Heat Treatment:


EN19 steel is heated to 845°C followed by quenching in oil. Before hardening, it can be normalized by heating at 913°C and air cooling.

EN19 Hardening:


EN19 can be hardened by heating and quenching or by cold working.


EN19 Tempering:

Tempering can be done at 205-649°C depending on the desired hardness level. Lower tempering temperatures result in higher hardness, with a tensile strength of 225 ksi at 316°C and 130 ksi at 538°C.

Report this page