HCBBS Forum (English)
HomeForumView Original
Submit Chemical Projects / Find Solutions
Amplify Your Requirements on a Broader Chemical Platform *Engineering · Technology · Equipment · Solutions*
Submit Request
English Translations » 信息处理 » Can 20# be used for the head at a design temperature of 420

Can 20# be used for the head at a design temperature of 420 and a pressure of 1.6? Why?

2010-10-28View Original

Thread Content

The cylinder can use 20# seamless pipe, and the head can use 20?
Reply #22010-10-29
When C steel and C-Mn steel are used at temperatures ≥425 degrees for extended periods, the graphitization tendency of the carbide phases in these steels should be taken into consideration. It is recommended to use Cr-Mo steel.

Related Threads in This Forum

← Previous

No previous threads indexed

Next →

No next threads indexed

Browse all threads in this forum →

Translated at 2026-07-24 22:38:14

Original: https://bbs.hcbbs.com/thread-752074-1-1.html

© 2026 HCBBS Forum. Content translated for international readers.

Submit a Project

**Looking for Chemical Technology, Equipment & Solutions?** No Registration Required Broader Platform Exposure | Global Chemical Service Provider Connections

Submit Request — Free Consultation

Disclaimer

This is an automated machine translation of the original thread. Some technical terms may have inaccuracies; the original text shall prevail. Click "View Original" at the top right to access the source page, which supports IP-based automatic real-time language translation. Please watch out for contact details and sales inducements to prevent fraud. All content and translations are for reference only, representing solely the poster's personal views. For enquiries, email service@hcbbs.com.

Quick Links