Thanks jwhit,
My had is spinning already! About 30 PMA`s was signed by NoBo. But few of then came back with the comment "not include in ASME II part D." Which is true but I explained on the PMA those materials are in the same group (as per ASME B 16.34) with the others which include in the...
Hi All,
Im after a bit of advice if anyone can help - thanks!
I am writing a number of PMAs. In terms of the PED, a design criteria needs to be specified (eg. ASME BPVC Section II Part D). If the material I am using is not covered in this, how do I specify the design criteria? I am using a...
Thank you hfpolo!
It was a typing error by customer. Our sales team did enough mistake that case I did not want ask back to the customer.
Regards
Elmio
Dear all,
I am looking for material for flange which suitable for API 5L X46 pipe class.
My customer ask casted material and they sent me this:
ASTM A494 F46
I have not found any F46 in this material spec.
Can you recomended something?
Thank you
Thank you metengr!
I have checked it, looks like the foundry was following it. Do you have any idea why is creacked? Ramp rates my be too quick?
Thanks
Dear All
We have a new designed 16" valve made in Gr 6A. During the heat treatment it was crecked. Do anyone have a typical chart for Superduplex heat treatment?
I assume we have to hold around 300-400 deg C for first step and haet up to 1100-1200 and holding there for sufficient time than...
Good Morning All
I am really new on this field and the first thing I have been doing reading API 6D. Does anybody could help me what is the difference between the following sentence:
Full-opening flanged-end valves shall be unobstructed in the fully opened position and shall have an internal...
