Cold-formed Z-shaped steel
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| Cold-formed Z-shaped steel | ||||||
| H-height; b-side width; d-wall thickness | ||||||
| Serial number | Size (mm) | Cross-sectional area (cm2) | Theoretical weight (kg/m) | Production unit | ||
| h | a | d | ||||
| 1 | 80 | 40 | 2.5 | 3.8 | 2.96 | Beijing No. 2 Rolling Mill |
| 2 | 80 | 40 | 2.5 | 3.75 | 2.94 | Nanjing Nanjing Rolling Mill |
| 3 | 100 | 25 | 2.5 | 3.5 | 2.75 | Tianjin Steel Rolling Third Factory |
| 4 | 100 | 25 | 3 | 4.14 | 3.25 | Hubei Wuhan Thin Plate Factory |
| 5 | 100 | 50 | 2.5 | 4.75 | 3.73 | Shanghai Iron and Steel Research Institute |
| 6 | 100 | 50 | 3 | 5.64 | 4.44 | |
| 7 | 100 | 60 | 2.5 | 5.25 | 4.12 | |
| 8 | 100 | 60 | 3 | 6.24 | 4.87 | |
| 9 | 160 | 50 | 3 | 7.44 | 5.84 | |
- Characteristics - Structural steel differs from concrete in its attributed compressive strength as well as tensile strength.
- Strength - Having high strength, stiffness, toughness, and ductile properties, structural steel is one of the most commonly used materials in commercial and industrial building construction.
- Constructability - Structural steel can be developed into nearly any shape, which are either bolted or welded together in construction. Structural steel can be erected as soon as the materials are delivered on site, whereas concrete must be cured at least 1–2 weeks after pouring before construction can continue, making steel a schedule-friendly construction material.
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