GUANGZHOU TECHWAY MACHINERY CORPORATION
Build the World with Starry Quality
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H205A Mast Section for Tower Crane with High Precision Processing
Tower crane parts is one of our key products, and with the experiences of exclusively-producing mast sections for over 20 years, we are now providing the world with high quality tower crane parts, including different types of mast section, anchorage collar and base frame for famous brand tower cranes.
1. ALL THE TOWER CRANE PARTS are manufactured with high strength steel, steel NO. Q355B (Chinese standard), which is equal to ST52 (German standard).
The detailed information are as below
| Q3558 Chemical Properties | ||||
| C | Mn | Si | P | S |
| 0.24% | 0.55% | 1.6% | 0.035% | 0.035% |
| Q345B Physical Properties | |||||
| Yield limit | Tensile strength | Tensile rate | Bending test | ||
| ≤16mm | ＞16~40mm | 470~660 Mpa | ≥21% | ≤16mm | ＞16~100mm |
| 355 Mpa | 345 Mpa | d=2a | D=3a | ||
2. Rust-removing method: ball blasting
3. Paint: High quality EPOXY paint
4. Ladders and platforms are of dip-galvanized parts
5. HIGH QUALITY OF WELDING
