SS 410S weld overlay/restoration
SS 410S weld overlay/restoration
(OP)
Hello everyone.
The datasheet of one of the equipment which is under fabrication in our workshop states the requirement of SS 410S clad on SA 516 Gr. 70. For the purpose of clad restoration and the nozzle overlay, we used ENiCrFe-3 electrodes in accordance with API 582 recommendations. Design temperature 426 deg C. The procedures (no PWHT applicable) were qualified and approved by the client QC team. However,after the completion of the weld overlay, the client is now saying that their process team has rejected the use of ENiCrFe-3 since the datasheet states SS 410S and we have to comply with the same.
What can be the probable reason for the rejection of ENiCrFe-3 (also recommended by API) for clad restoration and weld overlay when the datasheet states SS 410S ? We tried to qualify the overlay PQR with E410 but the chemical analysis falls in the martensitic region of WRC diagram.
Thanks in advance
SD.
The datasheet of one of the equipment which is under fabrication in our workshop states the requirement of SS 410S clad on SA 516 Gr. 70. For the purpose of clad restoration and the nozzle overlay, we used ENiCrFe-3 electrodes in accordance with API 582 recommendations. Design temperature 426 deg C. The procedures (no PWHT applicable) were qualified and approved by the client QC team. However,after the completion of the weld overlay, the client is now saying that their process team has rejected the use of ENiCrFe-3 since the datasheet states SS 410S and we have to comply with the same.
What can be the probable reason for the rejection of ENiCrFe-3 (also recommended by API) for clad restoration and weld overlay when the datasheet states SS 410S ? We tried to qualify the overlay PQR with E410 but the chemical analysis falls in the martensitic region of WRC diagram.
Thanks in advance
SD.





RE: SS 410S weld overlay/restoration
RE: SS 410S weld overlay/restoration
RE: SS 410S weld overlay/restoration
This seems to me to be your client's problem, and should be of no cost to you to resolve this within the client's satisfaction.
RE: SS 410S weld overlay/restoration
Yes, this is your clients problem.
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P.E. Metallurgy, Plymouth Tube
RE: SS 410S weld overlay/restoration