INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Log In

Come Join Us!

Are you an
Engineering professional?
Join Eng-Tips Forums!
  • Talk With Other Members
  • Be Notified Of Responses
    To Your Posts
  • Keyword Search
  • One-Click Access To Your
    Favorite Forums
  • Automated Signatures
    On Your Posts
  • Best Of All, It's Free!

*Eng-Tips's functionality depends on members receiving e-mail. By joining you are opting in to receive e-mail.

Posting Guidelines

Promoting, selling, recruiting, coursework and thesis posting is forbidden.

Jobs

API 650 Appendix M & F

API 650 Appendix M & F

(OP)

A legal question on how to interpret API-650.

We have a tank with a small internal pressure, therefore Appendix F – Design of Tanks for small internal Pressure- is applicable.
Further point F.1.1 is referring to Appendix M “for maximum design temperatures above 93oC (200 oF), see Appendix M”
The tank has a maximum design temperature greater than 93C, so Appendix M is applicable as well.
M.1.4 says “tanks for small internal pressure in accordance with Appendix F may be used for a maximum design temperature above 93oC (200 oF), subject to the requirements of M.3.6, M.3.7 and M.3.8.” As M.3.7 and M.3.8 are deleted and only M.3.6 is applicable, which says “the structural allowable stresses specified in 5.10.3, including the allowable stresses dependent on the modulus of elasticity, shall be multiplied by the yield strength reduction factors from Table M-1a and M-1b at the maximum design temperature”

The question is: After you've complied with M1.4 do you need to continue and comply with the whole of appendix M. or No further requirements and references of App. M are applicable for Tanks with small internal pressure as API 650 App. F.

RE: API 650 Appendix M & F

If you are building an Annex M tank, you need to satisfy all the requirements of Annex M.
If you are building an Annex F tank, you need to satisfy all the requirements of Annex F.
If your tank is both Annex F and Annex M you need to satisfy all the requirements of both Annexes.
Same for Annex E ( Seismic ) etc.

Red Flag This Post

Please let us know here why this post is inappropriate. Reasons such as off-topic, duplicates, flames, illegal, vulgar, or students posting their homework.

Red Flag Submitted

Thank you for helping keep Eng-Tips Forums free from inappropriate posts.
The Eng-Tips staff will check this out and take appropriate action.

Reply To This Thread

Posting in the Eng-Tips forums is a member-only feature.

Click Here to join Eng-Tips and talk with other members!


Resources


Close Box

Join Eng-Tips® Today!

Join your peers on the Internet's largest technical engineering professional community.
It's easy to join and it's free.

Here's Why Members Love Eng-Tips Forums:

Register now while it's still free!

Already a member? Close this window and log in.

Join Us             Close