66N/Sq.MM in varying condition and 100 N/Sq. MM in Steady condition for mild steel as per cmti hand book pg. 685
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En8 is low carbon steel and it can be toughned. En24 is medium carbon steel and it is generally called forged steel.
what is magnetic ppermeability of EN8
the yield strength of EN8 material is 465MPa.
EN8 also know as 080M40. An unalloyed medium carbon steel. EN8 is a medium strength steel, good tensile strength. Suitable for shafts, stressed pins, studs, keys etc. AISI 1040.Available as normalised or rolled. EN8 is supplied as round drawn/turned, round hot rolled, hexagon, square, flats and plate.
normally in soft cindition (before heat treatment) it is 200 to 240 BHN