Re: [MW:13169] Low Hydrogen Electrode in Steel Structure Application

Low hydrogen electrodes must be baked in mother oven at 250-300 degree C  for 2 hrs. The carry oven is for maintaining the temperature of maximum 100 degree C. The Low hydrogen electrodes are very sensitive to the moisture and can inject hydrogen to the weld and can affect the weld zone results in hydrogen induced crack , that's it should must.

On Thu, Dec 8, 2011 at 2:24 PM, Endri Prasetyo <endri.prasetyo@gmail.com> wrote:

Dear Experts,

Anybody can advice please, when we use low hydrogen type electrode for steel structure welding erection (SMAW process) does it require to be baked all the time @70 C deg on work station?
Is it acceptable when the welder only keep the electrode into the portable oven without baking (after issued from holding oven) although it is a not best practice?
For information, the material of the steel structure is carbon steel Q235.

Appreciate your sharing. Thanks.

Regards,
Endri

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