• ALLOY STEEL - EN41B / 34CrAlMo5 / 1.8507 Steel
  • EN41B / 34CrAlMo5 / 1.8507 Steel

EN41B / 34CrAlMo5 / 1.8507 Steel

EN41B Chemical  Composition:

C Si Mn Cr Mo Al
0.35 / 0.43 0.10 / 0.35 0.40 / 0.65 1.40 / 1.50 0.15 / 0.25 0.90/ 1.30
  • Introduction

  • Heat Treatment

  • Applications

  • Equivalent Grade

  • EN41B Steel Introduction:

    EN41B is a very popular grade of low carbon-manganese freecutting steel, which is most suitable for the manufacture of repetition turned components, such as nuts, bolts, hydraulic fittings and studs, particularly where intricate drilling and machining operations are involved. It can be case-hardened, producing components with enhanced wear resistanc.

  • EN41B Steel Bar Heat Treatment:

    Heat treatment temperatures, including rate of heating, cooling and soaking times will vary due to factors such as the shape and size of each steel component. Other considerations during the heat treatment process include the type of furnace, quenching medium and work piece transfer facilities. Please consult your heat treatment provider for full guidance on heat treatment of EN41B alloy steel.


    Heat the steel slowly to 650-700℃. Cool in air.


    Heat the EN41B carefully to a suitable temperature selected by reference to a tempering chart or table (usually between 580-700℃), soak at the temperature for two hours per 25mm of ruling section, then allow to cool in the air.


    905M39 is supplied ready heat treated. If further heat treatment is required annealed 905M39 should be heated slowly to 870-930°C and after adequate soaking at this temperature quench in oil/polymer or water. Temper as soon as tools reach room temperature.

  • EN41B Steel Applications:

    EN41 is suited for applications that required excellent resistance to wear and abrasion. Typical applications include connecting rods, small extruders, valve stems, dies. It is widely used in the automotive, textile and general engineering industries. Suitable for applications requiring a resistance to wear, it is also suitable for other applications such as brick press plates, clutch plates, gudgeon, track and shackle pins.

  • EN41B Alloy Steel Equivalent Grade:

    DIN EN
    1.8507 34CrAlMo5


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