×
INTELLIGENT WORK FORUMS
FOR ENGINEERING PROFESSIONALS

Contact US

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.

Students Click Here

What is the partial pressure limit

What is the partial pressure limit

What is the partial pressure limit

(OP)
What is the partial pressure limit of wet H2S for carbon steel at what temperature

RE: What is the partial pressure limit

What does the spec that you are working with say?
Each of the specs lists alloys and the limits for H2S, temp, pH, and other criteria.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, consulting work welcomed

RE: What is the partial pressure limit

(OP)
NACE 0175, as i want to use sa-179 hic material in gas cooler with 1000ppm at 275°f.

RE: What is the partial pressure limit

As Mr. Jones pointed out, the NACE spec just addresses cracking.
You need to also consider all other forms of corrosion that might impact service.

= = = = = = = = = = = = = = = = = = = =
P.E. Metallurgy, consulting work welcomed

RE: What is the partial pressure limit

(OP)
Partial pressure 1.14 psi

RE: What is the partial pressure limit

Quote (ENGRANIA)

What is the partial pressure limit of wet H2S for carbon steel at what temperature
NACE MR0175 is a widely spread practice but actual limits depends on industry. What is your industry?

RE: What is the partial pressure limit

(OP)
Natural gas air cooler

RE: What is the partial pressure limit

@ENGRANIA
This is an equipment type, not an industry. Check ISO 17945, ISO 21457, ISO 15156, NACE 8X194, NACE MR0103, NACE RP0296 for applicability. Note that standard applicable is affected by CO2 content and similar factors. Also para. 8 API 581 and DNVGL's report #14671 "Neutral and High pH SCC" might be useful.

RE: What is the partial pressure limit

Nothing like a bit of carpet bombing

Steve Jones
Corrosion Management Consultant

www.linkedin.com/in/drstevejones

All answers are personal opinions only and are in no way connected with any employer.

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! Already a Member? Login


Resources

Low-Volume Rapid Injection Molding With 3D Printed Molds
Learn methods and guidelines for using stereolithography (SLA) 3D printed molds in the injection molding process to lower costs and lead time. Discover how this hybrid manufacturing process enables on-demand mold fabrication to quickly produce small batches of thermoplastic parts. Download Now
Design for Additive Manufacturing (DfAM)
Examine how the principles of DfAM upend many of the long-standing rules around manufacturability - allowing engineers and designers to place a part’s function at the center of their design considerations. Download Now
Taking Control of Engineering Documents
This ebook covers tips for creating and managing workflows, security best practices and protection of intellectual property, Cloud vs. on-premise software solutions, CAD file management, compliance, and more. Download Now

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