Search results for query: *

Specs: Vertical Atmospheric Storage Tank Built 7/14/1969 Shell- 20-91/2" seam to seam x 120"I.D. x 3/16" thick Bottom Head- 120-3/8" O.D. x 1/4 Top Roof- 85.7 sq. ft. x 3/16 All three components are 304 s/s The bottom head is welded to (8)4" Sch 40 pipe c/s. New...

Duwe6 thanks for your comments. Did you base your decision from a time factor of exposure (48 hrs),temperature or % of caustic?

I have a 22' diameter x 15'ht carbon steel (A36) tank. It operates at ambient (85oF) temperature under normal conditions. Built 2002 to API 650 standards with acceptable QA/QC records. Shell plate chemical composition: C=0.18, Mn=0.75, P=0.01,S=0.006, CU=0.02, Al=0.038. Current thickness...

Stanweld, Thanks for you input and question. The reactor is a batch epoxy reactor that swings from 100F to 400F 4-times a day.

Story line: Vessel built 1994 Vessel diameter 7'0 ID Top head, shell and bottom c/s 516 gr 70 (1.750"thk) with s/s clad 304 (.125")=total=(1.875") Steam jacket total vessel encompassed. 1st failure 2000 bottom head corroded,,,decision made to replace bottom head with...

Thanks to all for your help over here in Ulsan,South Korea.

The process is GTAW ER309(L). This vessel is half solid 316 and the other half C/S with a cladding,but the cladding is not considered in the strength calculations just a corrosion barrier.

metengr Thanks for your support and I did mean the sizes and schedules that you pointed out. My concern was that I would only be qualify for P1 connected to P8 material at that thickness range. So it means that I will be qualify to join P1-P1 and P8-P8 at the maximum of 1.00" because of the...

First timer-Welding a 8-s/80 c/s to 8-s/80 s/s. Is the welder qualifed to weld P1-P1 & P8-P8 up to 1.00"?