Tek-Tips is the largest IT community on the Internet today!

Members share and learn making Tek-Tips Forums the best source of peer-reviewed technical information on the Internet!

Register Log in
  • Congratulations MintJulep on being selected by the Eng-Tips community for having the most helpful posts in the forums last week. Way to Go!

Search results for query: *

  • Users: hockchong
  • Content: Threads
  • Order by date
  1. hockchong

    Self reinforce nozzle (SA105) for -29¦C (-20¦F)

    Dear All; I have a problem here. Currently, I have a thick wall vessel 90mm with ID of 1500mm design in Div. 2. I am using self reinforce nozzle for all the opening. The problem is the minimum design temperature is -29°C and I am trying to use SA105N for these nozzles. As per AM-218.4 Div 2, the...
  2. hockchong

    PD 5500 - Bevel Degree for Self Reinforced nozzle

    Hi everyone, For ASME Div. 1, normally we will apply 30° for bevel on forge nozzle and 45° for Div. 2. How about PD 5500? 30° or 45°? Thanks. Regards, Lee
  3. hockchong

    PD 5500 - Max Nozzle Size on Vessel

    Hi, I have a case here. Design Code PD 5500 Cat. 1 Design Press = 271 barg ID = 1000mm T/T = 3600mm Thickness = 85mm There problem is I have a 24" manway. From my calculation, the required nozzle thickness for reinforcement is 250mm. OD of the nozzle is 1110mm and the OD of the vessel is...
  4. hockchong

    BS EN 10028 : P500QL2

    Dear All, Can anyone tell me where to find information regarding this material e.i. Yield Strength at certain temperature or the allowable stress. I mean not from the code book. Thanks a lot!!
  5. hockchong

    Blast load design

    Dear All, I need some guide to design my vessel on blast load. My vessel is 26m ht and 3m ID with blast pressure 0.3bar @ 0.2 sec. My question is how to convert the explosion pressure 0.3bar to the force acting to the vessel. Currently what I am doing is calculate as per wind calculation. I am...
  6. hockchong

    Compressive Yield Point

    Dear All; Somebody told me that the compressive yield point used in external ring (for saddle) is different from the value in ASME Sec. II Part D table Y-1. For my case Material : SA516 GR.70N (Shell and Stiffener) Sy in Y-1 table : 262 N/mm² Sa in 1A table : 137.89 N/mm² Purpose : Use for...
  7. hockchong

    Saddle Design

    Hi everyone, I have design a saddle with external ring. The vessel wall is around 22mm and the ID 4267. I am using finglow to design the saddle and the program show that it required external ring. My problem is, the ring clash with one of the component and the component can't be move. The only...
  8. hockchong

    ASME Sec VIII Div. 1 U-1(d) - Pressure over 3000 psig

    Dear All, I have a situation here were my design is more than 3275 psig and the client insist on Div. 1. According to U-1(d) additional stress analysis shall be carried out. Besides FEA, can anyone here advised me what type of stress analysis shall I perform? BTW, my vessel is a code stamp...

Part and Inventory Search

Back
Top