GAOERJI STEEL
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| Technical dimension | Detailed parameter standards | Reference Standard |
| Steel strength | Yield strength ≥ 355 MPa | GB/T 1591 / ASTM A572 |
| Welding quality | Level 1/Level 2 Ultrasonic Non-destructive Testing | AWS D1.1 / GB 50205 |
| Painting system | Epoxy zinc-rich primer + micaceous iron oxide intermediate coat | Film thickness: 120μm – 250μm |
| Wind pressure resistance rating | ≥ 0.85 kN/m² | Withstands typhoon loads of level 16 or higher. |
| Roof drainage | 360° mechanical interlocking seam | Completely eliminate the risk of water leakage |
| Seismic fortification | Intensity of 9 degrees | Flexible energy dissipation support system |
| Fireproof covering | Ultra-thin fireproof coating for steel structures | Meets F1.0 – F3.0 standards |
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| Technical dimension | Detailed parameter standards | Reference Standard |
| Steel strength | Yield strength ≥ 355 MPa | GB/T 1591 / ASTM A572 |
| Welding quality | Level 1/Level 2 Ultrasonic Non-destructive Testing | AWS D1.1 / GB 50205 |
| Painting system | Epoxy zinc-rich primer + micaceous iron oxide intermediate coat | Film thickness: 120μm – 250μm |
| Wind pressure resistance rating | ≥ 0.85 kN/m² | Withstands typhoon loads of level 16 or higher. |
| Roof drainage | 360° mechanical interlocking seam | Completely eliminate the risk of water leakage |
| Seismic fortification | Intensity of 9 degrees | Flexible energy dissipation support system |
| Fireproof covering | Ultra-thin fireproof coating for steel structures | Meets F1.0 – F3.0 standards |
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