Mat.No. 1.1157, DIN 40Mn4, AISI 1035

Mat.No. 1.1157, DIN 40Mn4, AISI 1035

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Designation by Standards Mat. No. DIN EN AISI 1.1157 40Mn4 - 1035 Chemical Composition (in weight %) C Si Mn Cr Mo Ni V W Others 0.40 0.38 0.95 - - - - - - Description Non alloy special sructural steel. Applications Quenched and subsequently tempered steel for vehicle and engine components, crankshafts for vehicle construction and diesel engines, gear shafts.  Physical properties (avarage values) at ambient temperature Modulus of elasticity [103 x N/mm2]: 210  Density [g/cm3]:...


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    Designation by Standards

    Mat. No. DIN EN AISI
    1.1157 40Mn4 - 1035

    Chemical Composition (in weight %)

    C Si Mn Cr Mo Ni V W Others
    0.40 0.38 0.95 - - - - - -

    Description Non alloy special sructural steel. Applications Quenched and subsequently tempered steel for vehicle and engine components, crankshafts for vehicle construction and diesel engines, gear shafts.  Physical properties (avarage values) at ambient temperature Modulus of elasticity [103 x N/mm2]: 210  Density [g/cm3]: 7.85 Continuous Cooling Transformation (CCT) Diagram Click the image to enlarge the diagram. Soft Annealing Heat to 650-700oC, cool slowly in furnace. This will produce a maximum Brinell hardness of 217. Normalizing Normalizing temperature: 850-880oC. Stress Relieving Stress relieving to remove machining stresses should be carried out by heating to approx. 129-200oC, 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 830-860, 820-850oC followed by oil or water quenching. Hardness after quenching is 53-59 HRC. Tempering Tempering temperature: 480-650oC. Diagram Tempering Temperature – Mechanical Properties Click the image to enlarge the diagram. Forging Hot forming temperature: 1100-850oC.  Machinability No data. Forms manufactured: Please see the Dimensional Sales Program.  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. Unless otherwise specified, registered trademarks are property of Metal Ravne company. Copyright 2015 by Metal Ravne. All rights reserved. Contact our Sales Office for more information.

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