Adjustable Steel Props, Steel Shoring System China Factory
| Trademark/Brand: | JINGFANG® Adjustable Steel Props, Steel Shoring System China Factory |
| Dimension: | 200*80mm |
| Length: | 1500mm, 1800mm, 2450mm, 2900mm, 3300mm, 3600mm, 5900mmm, etc. |
| Flange material: | Russian fir wood |
| Web material: | 27mm Poplar-Eucalyptus Core Plywood |
| Glue type: | Phenol glue |
Definition of Adjustable Steel Props:
The Adjustable Steel Prop is a temporary vertical support used in construction and excavation, consisting of an Inner Tube and Outer Tube with a Head Jack (U-Head/Flat Plate) at the top and a Base Plate at the bottom.
Height is set via a Clevis Pin for rough adjustment and a threaded Adjustable Nut for fine tuning. Primarily utilized for formwork support during concrete pours and as lateral struts in foundation pits, the system offers high load capacity and rapid deployment, with Tripods ensuring stability against overturning.
Proper selection requires verifying the prop's bearing capacity and stroke against project specifications.
Specifications of Adjustable Steel Props:
Note: All dimensions and load capacities must comply with local engineering standards and project specifications.
Product name | Adjustable steel prop |
Type | Heavy duty / Light duty |
Material | Q235B, OEM available |
Tube thickness | 2.0-4.0mm, OEM available |
Inner Tube/ Outer Tube | Φ48/Φ56, Φ40/Φ48, OEM available |
Normal length | 1.7–3.0m、2.0–3.5m、2.0–3.5m、2.2–4.0m、3.0–5.0m, OEM available |
Color: | Nature, Blue, Red, etc. OEM available |
Thickness tolerance: | ±0.1mm |
Loading & packing: | In Bundle |
Surface treatment | Hot-dip galvanizing, Cold-dip galvanizing, Pre-galvanizing, Hanging paint, Spraying plastics. OEM available |
FOB port: | Qingdao, Lianyungang, etc. Can truck to assigned place. |
Export transportation method: | FCL/LCL by sea, road or railway |
System Components of Adjustable Steel Props:
Note: All dimensions and load capacities must comply with local engineering standards and project specifications.
The adjustable steel props typically consists of the following core components:
1. Head Jack (Top Support):
Located at the top of the inner tube, used for direct contact and securing of formwork or beams. Common types include Square Plate and Flower Type.
| Product name: | Upright Tube, Head Jack, Upper Plate |
| Material: | Q235B, OEM available |
| Shape: | Flat Plate Head / Plate Type Head |
| Thickness: | ≥6.0mm, OEM available |
| Dimension: | 150×150mm or OEM available |
| Color: | Nature, Blue, Red, etc. OEM available |
| Thickness tolerance: | ±0.1mm |
2. Support Head Assembly:
Connects the support prop to the formwork or beam above and safely transfers the load downward. Common types include U-Head and Four-Way Fork Head.
| Product name: | Fork Head |
| Material: | Q235B, OEM available |
| Shape: | U-Head or Four-Way Fork Head |
| Thickness: | 6mm, 8mm, OEM available |
| Color: | Nature, Blue, Red, etc. OEM available |
| Thickness tolerance: | ±0.1mm |
3. Main Prop Body:
Comprised of an Inner Tube (Intubation) and an Outer Tube (Sleeve) . Rough and fine height adjustment is achieved through the combination of a Clevis Pin and an Adjustable Nut.
◆ Inner Tube (Intubation)
| Component name: | Inner Tube, Intubation |
| Material: | Q235B, OEM available |
| Diameter: | Φ40/Φ48, OEM available |
| Thickness: | 2.0mm, 2.2mm, 2.4mm, 3.5mm, etc, OEM available |
| Thickness tolerance: | ±0.1mm |
| Color: | Nature, Blue, Red, etc. OEM available |
◆ Outer Tube (Sleeve)
| Component name: | Outer Tube, Sleeve |
| Material: | Q235B, OEM available |
| Diameter: | Φ40/Φ48, OEM available |
| Thickness: | 2.0mm, 2.2mm, 2.4mm, 3.5mm, etc, OEM available |
| Thickness tolerance: | ±0.1mm |
| Color: | Nature, Blue, Red, etc. OEM available |
4. Adjustment Mechanism:
Includes the Adjustable Threaded Tube, Adjustable Nut, and Clevis Pin, used to lock the support at the desired height.
◆ Adjustable Threaded Tube/ Adjustable Threaded Tube
| Component name: | Adjustable Prop Sleeve, Adjustable Threaded Tube |
| Material: | Q235B, OEM available |
| Thickness: | 4.0mm, OEM available |
| Length of adjustable screw thread: | 210mm, OEM available |
◆ Adjustable Nut
| Component name: | Adjustable Nut, Adjustable Props Tube Handle Nut |
| Material: | Cast steel |
| Thickness: | 10.0mm, OEM available |
| Height: | 40.0mm, OEM available |
◆ Clevis Pin
| Component name: | Clevis Pin |
| Material: | Galvanized hot-rolled plain round steel bars HPB300 |
| Diameter: | Φ14mm, OEM available |
5. Base Plate:
Located at the bottom of the outer tube, used to uniformly transfer the load to the ground or lower slab. Flat Base Plates are common.
| Component name: | Base Plate |
| Material: | Q235B, OEM available |
| Thickness: | 6mm, 8mm, OEM available |
| Process: | Integrally formed by hot stamping of steel plate |
| Size: | 150×150mm or OEM available |
6. Tripod:
A tripod brace component located at the bottom of the independent steel prop, used to stabilize the vertical member.
| Component name: | Tripod |
| Material: | Welded steel tube |
| Tube diameter: | 32.00mm±1mm |
| Bolt material: | Class 8.8. Tensile strength: 800 MPa, Yield strength: 640 MPa |
Applications of Adjustable Steel Props in Civil Engineering:
Due to its high load-bearing capacity, ease of erection/dismantling, and versatility, Adjustable Steel Props is primarily used in the following scenarios:
1. Formwork Engineering:
Vertical support during concrete pouring of floor slabs and beam soffits.
2. Foundation Pit and Slope Support:
Used as horizontal struts or rakers to resist lateral earth pressure.
3. Steel Structure Installation:
Providing temporary positioning and stabilization during hoisting operations.
4. Emergency and Remedial Works:
Rapid temporary lifting or propping during structural damage or renovation.
Check the applications with our PVC plastic formwork:
The core advantage of adjustable steel props system lies in its adjustability and self-stability. Coarse adjustment is achieved rapidly via the locking pin across the tube perforations, while fine, millimeter-level elevation adjustment is achieved by rotating the exposed threaded nut. This ensures tight contact between the head jack and the formwork. The use of tripods or horizontal lacing prevents single-prop overturning, establishing a stable structural frame.