They informed that it is our responsibility to select the material and they agreed to use F51 however, we want to raise a variation order IN CASE SS316/SS316L "dual certified" is suitable for the service & design parameters. If not suitable, then we should bear the additional cost.
Regarding...
The datasheet that we developed from FEED is approved as IFC approved with no comments. In this DS the material is mentioned as below
Austenitic SS API 60k / ASTM SS316L + TCC
But when we informed and started placing the POs and submitting the vendor drawing, the client requested to change the...
EdStainless
You mentioned: "if you are designing .... you have to those allowed stresses". This semtence is not clear for me. Please elaborate
Moreover, is 316L not suitable for these design parameters?
Hisham Mohammad
Senior Project Engineer & Materials Engineer
Actually, the material is "
Austenitic SS API 60K / ASTM SS316L + TCC" as per the datasheet.
The client is requesting to go with inconel as XM-19 and SS316/L dual certificate are rejected for them and we should have verified this during the FEED verification and endorsement before the award. We...
Dear EdStainless,
No chance to see any chloride either on the OD or the ID.
The project is in the desert not near to coast or seas.
One of the issues I am facing is how to increase the minimum yield strength of SS316 either by adding elements or by coating it
We wanna save costs and there is...
Much appreciated. One more last point, SS316 minimum yield strength is 30K. So, will the minimum yield strength comply with API 60K after adding TCC or it will not change the mechanical props?
Hisham Mohammad
Senior Project Engineer & Materials Engineer
Hi Dr. Steve,
Thanks for your response. It is a GIS "Gas Injection Skid", especially for valve manufacturing.
1. No Chloride.
2. TCC may be either sprayed or welded "No action yet" however, we can do any of them to fulfill the requirement of the service.
3. CO2% = 10.78%
Please let me know...
Hi all,
I am working on a project where the service conditions & design parameters are as below:
P = 460 bar = 10,000 psi
T = 120 deg C & Operating temp = 65 -80 deg C
The medium is a gas containing 9% H2S with a partial pressure = 41.4 bar
My question is:
Is SS316 + TCC "Tungsten Carbide...
My question was a general one because there is a new project I have to calculate the corrosion rate as there is water phase and the internal corrosion is expected.
Thanks in advance for your replies and efforts Mr. Jones. Much Appreciated
Hisham Mohammad
Material Engineer / Welding & Quality...
It is 3 mm so if, based on the calculations, I get 1.5 mm CA, I have to go for 3 mm as a minimum. But I have to make the calculations first to make sure it will not go beyond 3 mm.
Hisham Mohammad
Material Engineer / Welding & Quality Engineer
@SJones: There will be a metal loss from the outside cause in Summer, the humidity exceeds 80% here in UAE and the temperature is high. Because of the absence of water phase, there is no CO2 corrosion, no H2S corrosion, no HIC & SSC corrosion. Only Atmospheric corrosion and CUI as well are...
Thank you for your reply. There is no possibility of the CO2 corrosion due to the absence of water phase in the system on which I am currently working so, Shall I use ECE software to calculate it ? No any other ways to do the calculations ?
Hisham Mohammad
Material Engineer / Welding & Quality...
