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  • e-450 welding

    BIBHUPRASAD RATH

    Member

    Updated: Oct 22, 2024
    Views: 872
    How can we control cracking of E-450 carbon manganese steel?
    parameters are:
    V:26-30v
    A:500-550amps.
    T.s.(N):0.25mt/min
    just tell me how to control not why it occurs..
    0
    Replies
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Replies

  • zaveri

    Member • Jul 18, 2012

    The speed can be reduced.

    #-Link-Snipped-#

    got any ideas ?
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  • CE Designer

    Member • Jul 18, 2012

    It could be a number of things:
    • try pre-heating the piece before welding and post heating after welding to reduce the internal stresses
    • you could be using the wrong welding rod also
    • let the weld cool in atmosphere. Rapid cooling will cause it to crack
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