Can any one suggest the suitable consumables (GTAW+SMAW process) for A
106 Gr.B to 304H welding. Design temperature is +230 deg C. I know
that the recommended consumables are ER 309 & E 309 as per API 582, I
feel the presence of high carbon (up to 0.15%) may lead to
sensitization ?
I just want to know technically what will happen, If I use low 'C'
consumables like 309L (C up to 0.04%) for welding of materials with
high 'C' up to 0.15% (eg 304H) ?
Please suggest.
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