For SA-540 B23 Cl.3 (2Ni–3/4Cr–1/4Mo) Bolt material, is it possible to use at design temperature of 390 deg C ?
For above material, maximum temperature limit is 371 deg C as per ASME Section II (Equipment designed per ASME Section VIII Div.1).
Equipment operating temperature 340 deg C and...
As previous project experience, I have used "SA-307-B or SA-325 bolts" for supporting the equipment lug on the structure.
Now I have a high temperature heat exchanger with design 565 deg C (operating 530 deg C).
In such high temperature lug, Is SA-307-B is still acceptable or should I need...
Is U2 stamp is necessary for all equipments fabricated per ASME sec. VIII Div.2?
I have come across non stamped ASME sec.VIII Div.1 equipment in some of previous projects located in east asia.
However for my curiosity to know,
if client agree is it possible to design non stamp ASME sec.VIII...
We have a ASME Sec.VIII Div.1 pressure column to be Re-rated to 101 barg from current 100 barg.
Existing item earlier shop hydrotested at 130 barg considering design pressure=MAWP
(1.3 x Design pressure X LSR) as per UG-99 during as-built year 2008 .
As per latest rerate design calculation...
We are purchasing a ASME Sec. VIII Div. 1 Washing drum for AXEN's CCR unit. Material is CS + 4 mm thick FRP lining for the corrosion protection and to avoid the direct fluid contact with the metal surface. Drum Internals are FRP /Poly Propylene material.
Design : 5.6 barg @ 80 deg C...
Hi,
Does any one have experience in tailing a vessel with the use of tailing lug located at "UG-34 flat head flange" (refer picture).
If you know Please quote some reference calculations to verify the stresses.
We are doing a lifting analysis to replace a 30 year old 250 Ton weight Coke Drum...
