GUANGZHOU TECHWAY MACHINERY CORPORATION
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Transfer Mast/ Transit Mast/ Adaptor Mast for Potain 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.
Products Specification
Type: Transfer Mast/ Transit Mast/ Adaptor Mast for Potain Tower Crane
Usage: the adaptor mast section is designed to combine two different mast types together so as to maximumly utilize the mast section stocks.
Materials: Q355B
Within bolts, Ladder, Platform
Suitable for Crane Model:
| No. | Structure | Mark | |
| 1 | Upper | L40 | L60/40 |
| Lower | L60 | ||
| 2 | Upper | L40 | K40/L40 |
| Lower | K40 | ||
| 3 | Upper | L40 | K60/L40 |
| Lower | K60 | ||
| 4 | Upper | K40 | L40/K40 |
| Lower | L40 | ||
| 5 | Upper | K40 | L60/K40 |
| Lower | L60 | ||
| 6 | Upper | L60 | K60/L60 |
| Lower | K60 | ||
| 7 | Upper | K60 | L60/K60 |
| Lower | L60 | ||
| 8 | Upper | K40 | K60/K40 |
| Lower | K60 | ||
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
| Q355B Chamical 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
