Welding position will give higher / lower heat input?

Which the welding position will give higher / lower heat input?

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@bien No. You misunderstood his mind.
@green Heat Input is mainly influenced by travel speed (depositing rate). So Vertical upward will give highest heat input becasuse of low travel speed. And Vertical downward will give lowest heat input because of high travel speed.

Hi @dinhhoan05,

I am not wrong, it is required in BS EN ISO 15614-1.
see my summary in this topic Welding position requirement in BS EN ISO 15614-1

  • Impact test shall be taken from the weld in the highest heat input position.
  • Hardness test shall be taken from the weld in the lowest heat input position.
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@bien you’re NOT wrong, I said that you misunderstood his mind. Misunderstood is different from Wrong. Hiểu không bạn?

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