| Place of Origin | Tianjin, China |
| Certification | CE |
| Thickness | 0.8, 12 |
| Application | Structure Pipe |
| Surface Treatment | Galvanized |
| Technique | Hot Rolled, Hot Rolled ERW Hot Dipped Galvanized |
| Standard | |
| Alloy Or Not | Non-alloy |
| Grade | |
| Outer Diameter | 20*20~400*400mm,10*20-600*800mm |
| Secondary Or Not | Non-secondary |
| Special Pipe | Thick Wall Pipe |
| Section Shape | Square |
Detail size:
Steel grade | chemical composition | Mechanical property | ||||||||||||
C | Mn | Si | S | P | Cr | Ni | Cu | V | Nb | Ti | Yield point | Tensile strength | Elongation | |
Q195 | 0.06~0.12 | 0.25~0.50 | ≤0.30 | ≤0.050 | ≤0.045 | ___ | ___ | ___ | ___ | ___ | ___ | 195 | 315~430 | 33 |
Q235 | 0.12~0.20 | 0.30~0.70 | ≤0.30 | ≤0.045 | ≤0.045 | ___ | ___ | ___ | ___ | ___ | ___ | 235 | 375~500 | 26 |
Q345 | ≤0.20 | 1.00~1.60 | ≤0.55 | ≤0.40 | ≤0.040 | ___ | ___ | ___ | 0.02~0.15 | 0.015~0.060 | 0.02~0.20 | 345 | 470~630 | 21 |
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