You are right that the crack is in non-pressure internal attachment but not to the shell! Shell is 516Gr70 and grid where crack is located is 304H.The thing is that we have a knuckle design, and the crack is between knuckle-grid-joint where both materials are 304H.Both are non pressure and the...
Actually is under repair now,
We were looking for 2 options.
Either Arc gouging only the cracked area and welding, either or lifting the grid by hydraulic snubbers and making bevel and welding afterwards..
Dear all,
Thickness of the knuckle is 57 and is covering around 180 deg all over periphery (diameter 6700).crack has went through weld depth, and regarding propagation of crack i hace the opinion that is extending since there is 35 tones on the bed ncluding lining and the vessel...
Dear all,
We face an issue with a regenarator vessel, where in two years of operation in an emergency shutdown for other reason we found a crack that is propagating around the knuckle between a grid floor and the join. With the knuckle.
The metal is 304h and the width of the weld is double v...
concerned regarding the application for Tank with service:Condensates, Design temperature: 100°C, since the Tank temperature is high and the service is Condensate, do you know any procedure /product to cover this need?
