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    Welding Instructions For Toolholders: Material Microalloyed Heat-Treatable Steel 34Mncrb4+Ti

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    Vetriselvan Arumugam
    The document provides welding instructions for toolholders made of microalloyed heat-treatable steel. It details the material composition and pre-weld heat treatment recommendation, recommending preheating to 250C to prevent cracking. It also provides recommendations for electrodes for inert gas and non-inert gas welding.

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    © All Rights Reserved
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    Welding Instructions For Toolholders: Material Microalloyed Heat-Treatable Steel 34Mncrb4+Ti

    Uploaded by

    Vetriselvan Arumugam
    742 views1 page
    The document provides welding instructions for toolholders made of microalloyed heat-treatable steel. It details the material composition and pre-weld heat treatment recommendation, recommending preheating to 250C to prevent cracking. It also provides recommendations for electrodes for inert gas and non-inert gas welding.

    Original Title

    Schweissanl._Bergbau_E_-02-2020

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    The document provides welding instructions for toolholders made of microalloyed heat-treatable steel. It details the material composition and pre-weld heat treatment recommendation, recommending preheating to 250C to prevent cracking. It also provides recommendations for electrodes for inert gas and non-inert gas welding.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
    742 views1 page

    Welding Instructions For Toolholders: Material Microalloyed Heat-Treatable Steel 34Mncrb4+Ti

    Uploaded by

    Vetriselvan Arumugam
    The document provides welding instructions for toolholders made of microalloyed heat-treatable steel. It details the material composition and pre-weld heat treatment recommendation, recommending preheating to 250C to prevent cracking. It also provides recommendations for electrodes for inert gas and non-inert gas welding.

    Copyright:

    © All Rights Reserved
    Download as PDF, TXT or read online from Scribd
    Download as pdf or txt
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    MAD E I N G ERMA N Y

    WELDING INSTRUCTIONS FOR TOOLHOLDERS


    M ATERIA L
    MICROALLOYED HEAT-TREATABLE STEEL 34MnCrB4+Ti

    Chemical composition C 0,33-0,37


    (in %) Mn 1,35-1,50
    Cr 0,20-0,50
    B 0,0015-0,0050
    Ti 0,020-0,060
    Si 0,15-0,30
    Al 0,015-0,060
    S 0,02-0,035
    Cu 0,00-0,25
    Mo 0,00-0,06
    P 0,000-0,045

    P R E - W E L D H E AT T R E AT M E N T R E C O M M E N D AT I O N F O R E L E C T R O D E S
    INERT GAS WELDING (MAGC/MAGM)
    Before welding, preheat the holder or welding bar to a
    temperature of approximately 250°C to prevent crack DIN 8559 SG 3
    formation. Please dry the electrodes for two hours at DIN 8575 SGMo
    300°C before starting the welding process
    AWS A 5.18 ER 70S-6

    CURRENT SOURCE AWS A 5.28 ER 80S-G


    SFA-5.18 ER 70S-6
    Direct current (DC)
    SFA-5.28 ER 80S-G
    B.S. 2901 A30

    WELDING WELDING WITHOUT INERT GAS

    Multiple layer welding DIN 8529 EY 42 65 Mn B


    DIN 8529 EY 4664 Mo B
    Do not heat over 350°C to avoid tensile DIN 8529 EY 4664 Mo
    strength 1450-1600 N/mm2 loss. DIN 8575 E Mo B 29
    DIN 8575 E Mo B 26
    In order to reduce welding stress, the AWS A 5.1 E 7018DIN 8575
    material should be allowed to cool down AWS A 5.5 E 7015-A 1
    slowly. AWS A 5.45 E 7018-A 1
    SFA-5.1 E 7018
    SFA-5.5 E 7015-A 1
    SFA-5.5 E 7018-A 1
    B.S. 639 E 5154 B
    B.S. 249 Mo BH
    B.S. 2493 Mo BHJ

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