China Mild Carbon Steel Profile Galvanized Square Hollow Section Iron Pipe, Find details about China Galvanized Steel Square, Gi Tubes Hollow Section from Mild Carbon Steel Profile Galvanized Square Hollow Section Iron Pipe
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 |