Q235B yana daya daga cikin karafa na kowa a kasar Sin. Za a iya amfani da ƙananan farashinsa don yawancin samfurori tare da ƙananan bukatun aiki.
Hot-birgima Q235B karfe farantin karfe yana da wani elongation, ƙarfi, mai kyau tauri da kuma castability, kuma yana da sauki hatimi da weld. An yi amfani da shi sosai wajen kera sassan injina na gabaɗaya, galibi don sassan sassa na walda tare da ƙananan buƙatu masu inganci a cikin gini da injiniyan gada.
| Daraja | Abubuwan sinadaran% | |||||
| C | Si | Mn | P | S | Ku | |
| Q235B | 0.2 max | 0.35 max | 1.40 max | 0.045 max | 0.045 max | - |
| A36 | 0.26 max | 0.40 max | - | 0.04 max | 0.05 max | 0.20 min |
| Daraja | Ƙarfin Haɓaka ReH /(N/mm2) (t≤16mm) min | Ƙarfin ƙarfi Rm /(N/mm2) (3mm≤t≤16mm) | Tsawaita A /% (3mm≤t≤40mm) min | Gwajin Charpy V | |
| Zazzabi / ℃ | Tasirin kuzari (Longitudinal)/J min | ||||
| Q235B | 235 | 370-500 | 26 | 20 | 27 |
| A36 | 250 | 400-550 | 23 | - | - |
| Abu | Kayan abu | Kauri (mm) | Nisa (mm) |
Tsawon (mm) |
| MS Hot Rolled Karfe Plate | Q235 SS400 A36 | 6-25 | 1500 - 2500 | 4000 - 12000 |
| EN10025 HR Karfe Plate | S275 / S275JR , S355 /S355 JR | 6-30 | 1500 - 2500 | 4000 - 12000 |
| Boiler Karfe Plate | Q245R, Q345R A516 Gr.60 , A516 Gr.70 |
6-40 | 1500-2200 | 4000 - 12000 |
| Gada Karfe Plate | Q235, Q345, Q370, Q420 | 1.5-40 | 1500-2200 | 4000 - 12000 |
| Farantin Karfe na Gina Jirgin Ruwa | CCSA/B/C/D/E, AH36 | 2-60 | 1500-2200 | 4000 - 12000 |
| Saka Farantin Karfe Mai Juriya | NM360, NM400, NM450, NM500, NM550 | 6-70 | 1500-2200 | 4000 - 8000 |
| Corten Karfe Plate | SPA-H, 09CuPCrNiA, Corten A | 1.5-20 | 1100-2200 | 3000 - 10000 |
