China Factory Best Quality Mild Steel Square Steel Pipe St52 Q345, Find details about China Galvanized Steel Square, Gi Tubes Hollow Section from Factory Best Quality Mild Steel Square Steel Pipe St52 Q345
Item | hot gi pipe hollow section |
Wall thickness | 1.5mm-22mm |
DN | SHS: 15*15-400*400mm, RHS: 20*25-400*300mm |
Length | 2m-12m or as per customers' requirement |
material | Q195,Q215,Q235345,2,Q0#,16Mn,ect |
Zin coating | 210g/m2-240g/m2 or Customization |
Surface | hot dipped galvanized |
Marking | As per customer's requirement |
Packing | In bundle or according to customers' requirement |
Application | coal gas transportation,heating steam ,oil and nature gas pressure steel pipe, steel structure. |
ODM/OEM | available |
Grade | C | Mn | Si | S | P | UTS(MPa) | YS(MPa) | EI(%) |
Q235B | 0.12-0.20 | 0.30-0.70 | 0.30 | 0.045 | 0.045 | 375-500 | 235 | 26 |
Q345B | 0.12-0.20 | 1.20-1.60 | 0.20-0.55 | ≤0.045 | ≤0.045 | 510-600 | 345 | 22 |
20#(GB) | 0.17-0.23 | 0.38-0.65 | 0.17-0.37 | ≤0.030 | ≤0.030 | 410-550 | ≥245 | ≥20 |