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!
  • Students Click Here

*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.

Students Click Here


Materials Nozzles Exceeding Temperature Limits on Refractory Lined Tanks

Materials Nozzles Exceeding Temperature Limits on Refractory Lined Tanks

Materials Nozzles Exceeding Temperature Limits on Refractory Lined Tanks

Please give me some guidance I have a vessel that is refractory Lined tank and the nozzle is not lined it is carbons steel A105/A106, The CS exceeds the material limitations by more than 30%
our temp is seeing 1650°F,
We are using
Bolting – assuming that flanges are not insulated:
1. ASTM A320 Gr B8 Cl. 1 w/ A194 Gr. 8 Nuts Max Temp: 1500°F (ensure the carbon content is 0.04 or higher for temperature above 1000°F and calculations are made for leakage)
2. SB-572 Alloy N06002 Annealed, OR B572 Alloy R30556 Annealed Max Temp: 1650°F
1. Lamons Gasket: Class 150 Kammpro LP-3 310SS Mica 310SS GR
2. Teadit Gasket: TerMica 1863

Its been in service for many years and we are replacing some instrument connections.
I have concerns re the material

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!


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