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This provides the crane with its height and is often designed so that the mast can grow or shrink during construction. It is generally comprised of individual steel sections that are connected together. The number of sections will determine the overall height.
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L68B2 2M Mast Section
| brand | model | Mast section size | Main chord material | type | materials | Packing/40HQ |
| Potian | S24 | 1.2*1.2*3.0 | ∠140×14 | Split structure | Q345B Q235B | 6 sets |
| L44A1 | 1.6*1.6*3.0 | ∠140×14 | 15sets | |||
| L46A1 | 1.6*1.6*3.0 | ∠180×18 | 15sets | |||
| L68A1 | 2.0*2.0*3.0 | ∠200×20 | 12 sets | |||
| L68B1 | 2.0*2.0*3.0 | ∠200×20 | 12 sets | |||
| L68B2 | 2.0*2.0*3.0 | ∠200×20 | 12 sets | |||
| L69A1 | 2.0*2.0*3.0 | ∠200×26 | 12 sets |
L68B2 2M Mast Section
A mast comprises 4 panels which can be identified by:
2 panels with telescoping lugs.
2 panels without telescoping lugs.
The panels provided with ladder fixing gussets must be face to face.
The panels are assembled by 20 special fishplate bolts.In every case , the heads of the bolts are on the outside.
The assembling of masts between each other is by means of 8 shafts connected 2*2 by 4 pins and equipped with a set of accesses as described.
Liebherr mast section welded together.
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