Mat.No. 1.2327, DIN 86CrMoV7

Mat.No. 1.2327, DIN 86CrMoV7

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  Designation by Standards   Mat. No. DIN EN AISI 1.2327 86CrMoV7 - -   Chemical Composition (in weight %)   C Si Mn Cr Mo Ni V W Others 0.87 0.30 0.38 1.75 0.28 0.13 0.10 - -   Description Low alloyed cold working tool steel. Applications Cold rolls, back-up rolls, straightening rolls, non-ferrous 2 and 4 high roll mills. Physical properties (avarage values) at ambient temperature Modulus of elasticity [103 x N/mm2]: 210 Density [g/cm3]: 7.85 Thermal ...


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    Designation by Standards

     

    Mat. No. DIN EN AISI
    1.2327 86CrMoV7 - -

     

    Chemical Composition (in weight %)

     

    C Si Mn Cr Mo Ni V W Others
    0.87 0.30 0.38 1.75 0.28 0.13 0.10 - -

     

    Description
    Low alloyed cold working tool steel.

    Applications
    Cold rolls, back-up rolls, straightening rolls, non-ferrous 2 and 4 high roll mills.

    Physical properties (avarage values) at ambient temperature
    Modulus of elasticity [103 x N/mm2]: 210
    Density [g/cm3]: 7.85
    Thermal conductivity [W/m.K]: 35.0
    Electric resistivity [Ohm mm2/m]: 0.30
    Specific heat capacity[J/g.K]: 0.46

    Coefficient of Linear Thermal Expansion 10-6 oC-1

     

    20-100oC 20-200oC 20-300oC 20-400oC 20-500oC
    12.5 13.2 13.6 14.0 14.3

     

    Continuous Cooling Transformation (CCT) Diagram

    Time-Temperature Transformation (TTT) Diagram

    Soft Annealing
    Heat to 720-750oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 230.

    Stress Relieving
    Stress relieving to remove machining stresses should be carried out by heating to approx. 650oC, holding for 1-2 hours at heat, followed by air cooling. This operation is performed to reduce distortion during heat treatment.

    Hardening
    Harden from a temperature of 800-820oC, 830-850oC followed by water or oil quenching. Hardness after quenching is 64-67 HRC.

    Tempering
    Tempering temperature: 200-600oC.

    Tempering Temperature (oC) vs. Hardness (HRC)

     

    100oC 200oC 300oC 400oC
    65 61 58 -

     

    Forging
    Hot forming temperature: 1150-850oC.

    Machinability
    No data.

    Disclaimer
    The information and data presented herein are typical or average values and are not a guarantee of maximum or minimum values. Applications specifically suggested for material described herein are made solely for the purpose of illustration to enable the reader to make his own evaluation and are not intended as warranties, either express or implied, of fitness for these or other puposes. There is no representation that the recipient of this literature will receive updated editions as the become available.

     

     

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