What does the carbon structural steel Q235-AF mean?

2009-02-22View Original

Thread Content

Help: I saw this symbol on today’s newspaper schedule; I hadn’t paid attention to it before. Please advise me

Reply #22009-02-22

Composition of carbon structural steel grades: Q + number + quality grade + deoxidation method (GB700): Q: the alphabetical code for carbon structural steel； 235: Standard value of yield stress (unit: MPa). There are five grades: 195, 215, 235, 255, and 275 ； A: Indicates the quality grade ； There are four grades: A, B, C, and D ； F: Deoxidation method, with four types: F (boiling steel), b (semi-killed steel), Z (killed steel), and TZ (special killed steel). Q235-AF refers to boiling steel of grade A with a yield strength (σs) of 235 MPa.

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.

What does the carbon structural steel Q235-AF mean?

Thread Content

Related Threads in This Forum

← Previous

Next →

Submit a Project

Disclaimer

Quick Links