Hi All,
Good Day.
I would like to ask regarding reinforcement pad for attachment in Exhaust stack.Currently there are several pad install at the stack for attachment such as lifting lug and support.There are tell tale hole at the pad.
My question is do we need to perform air leak test at the...
Dear All,
I would like to get assistant on the dented at external pressure vessel head.
During level 2 of structure installation (in Module), the existing pipe support is resting on the top head of the pressure vessel.
Existing pipe support is prewelded at another structure at level 2 and...
Dear All,
Good Day.
I would like to request for your advice regarding CO2 cylinder.
Recently we purchased CO2 Snuffing skid that consist of several CO2 cylinder inside the skid.
Our client request to have inventory monitoring of the cylinder skid using pressure gauge at the cylinder itself...
No 309LMo first layer? You need to find out the specific thinking behind the ferrite restriction: is it for cracking resistance, corrosion resistance, both.
Yes .There is 309LMo at 1st layer and this is for corrosion resistance.
But it does lead me to ask, didn't the weld overlay qualification...
Dear All,
Good Day.
I would like to request your opinion regarding the ferrite count on the weld overlay.
Currently, I am involved in fabrication of3 units of pressure vessels made of SA516 Gr. 70 clad with SS316L.
As per my company's requirement, the ferrite content shall be as below:
The...
Dear All,
I would like to seek your help regarding the minimum shell course width of pressure vessel (horizontal).
My pressure vessel fabricator has prepared drawing according to ASME Sec VIII Div.1 for 7400mm length of pressure vessel which are having 4 shell courses with 4 different length...
Hi Weldstan.
This head is cold formed and EFE is more than 5%.
Head thickness after form is 28mm.
Clad is explosion bonded type.
And this vessel not subject to PWHT (Not by thicknes and service)
Only need PFHT due to EFE exceeded 5%.
Actually,i'm going to challenge my vendor and main...
Hi Steve,
The material is SA 516 Gr.70 with SS316 Clad.
Actually i'm looking for any NDT that i should request to fabricator to conduct after stress relieve.Plate mill advice to heat until 950 degree for 30minutes and cool with air naturally.
There is concern from end user on the integrity of...
Dear All,
Good Day.
I need your guidance on the require testing and precaution when dealing with clad material normalizing.
Basically i'm dealing with one project which the head of the vessel need normalizing due to fiber elongation exceed the acceptable limit.
I'm requesting from contractor...
Dear All,
Thank you very much for the explanation.
Dear Geoff,
I am trying to decide to use ASME Div.1 or Div.2.
In my company specification,any 'nominal thickness' of the plate more than 38mm,that vessel shall be designed using Div.2 instead of Div.1.
Since the supply plate thickness is...
Dear All,
Good Day,
I have question regarding nominal thickness definition for cladded plate.
For example ,the plate thickness of CS is 36mm and clad thickness is 3mm.
The nominal thickness of the plate will be 36mm (exclude clad portion) or 39mm (include clad portion)?
Thank you in advance
Dear All,
I would like to get your opinion regarding the below case.
Currently, I'm working with one project which is upgrading one of the offshore platform.
Due to new production data,process is increasing the inlet momentum value to 24,000kg/ms2 and 11000kg/ms2 at outlet nozzle.(liquid).
For...
