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| Technical Specifications | |
|---|---|
| Commodity | Black Steel Square / Rectangular tube hollow section |
| Square pipe Size | 20x20--500x500mm |
| Rectangular Pipe size | 20x40--400x600mm |
| Length | 5.8m/6m or based on request |
| Standard | EN10025, EN10219, ASTM A500, Q195, Q235, Q345 |
| Usage | Steel construction, machinery, manufacturing, shipbuilding, electricity |
| Payment Terms | T/T or L/C at sight |
| Grade | C | Mn | Si | Yield Strength (Mpa) | Tensile Strength (Mpa) |
|---|---|---|---|---|---|
| Q195 | 0.06-0.12 | 0.25-0.50 | ≤0.30 | ≥195 | 315-430 |
| Q215 | 0.09-0.15 | 0.25-0.55 | ≤0.30 | ≥217 | 335-450 |
| Q235 | 0.12-0.20 | 0.30-0.67 | ≤0.30 | ≥235 | 375-500 |
| Q345 | ≤0.20 | 1.00-1.60 | ≤0.55 | ≥345 | 470-630 |





We have over 15 years of export experience in the steel field. Our primary focus is on black steel pipe, galvanized steel pipe, steel coils, steel sheets, and pre-painted steel profiles.
Our dedicated teams in sales, purchasing, quality control, and after-sales service ensure every client receives a satisfactory purchasing experience. Our steel products are widely exported to Southeast Asia, Africa, South America, Middle East, and Oceania.




