Adjustable Steel Props (Formwork Pipe Support & Shuttering Props)

Formwork Pipe Support of Shuttering Props (commonly referred to as Acro Jacks or Shoring Props) are critical load-bearing components used in modern concrete formwork and temporary shoring systems. Designed to safely support concrete floors, ceilings, bridges, and structural beams during pouring and curing, these adjustable steel props offer immense vertical load-bearing capacity.

Comprising a robust outer tube, an adjustable inner tube, and a precision-threaded sleeve with a locking pin and nut, our steel props allow for rapid, time-effective height adjustments on-site. Available in both light-duty and heavy-duty configurations, and finished with premium anti-corrosion treatments (Galvanized, Powder Coated, or Painted), our props provide a reliable, low-cost, and highly efficient shoring solution for international building contractors.

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adjustable steel props (formwork pipe support & shuttering props)

Technical Specifications

Technical Category Specification Details
Product Name Adjustable Steel Prop / Formwork Pipe Support
Material Grade Q195, Q235, Q345 High-Strength Carbon Steel
Main Components Top Plate, Base Plate, Inner Tube, Outer Tube, Threaded Sleeve, Nut, and Pin
Duty Types Light Duty & Heavy Duty (for different loading capacities)
Adjustable Length Various lengths available (Customizable to project needs)
Surface Treatment Hot-Dipped Galvanized, Pre-Galvanized, Powder Coated, Painted
Welding Quality Fully melted, smooth, zero-air-hole structural welding
Plate Options Flat Square Plate, U-Head, Flower/Cross Plate

Key Advantages

Flawless Welding Integrity: The safety of a steel prop relies entirely on its welds. We strictly control our welding process to ensure that the welding lines are incredibly smooth and totally melted with the base plates and sleeves. Every prop is inspected to eliminate any risk of incomplete welding or dangerous air holes.
High Load-Bearing Capacity: Engineered using premium Q235 and Q345 steel coils, our shuttering props deliver exceptional mechanical performance and high yield strength, ensuring they can safely support massive weights of wet concrete and heavy formwork structures without buckling.
Premium Anti-Corrosion Options: To maximize the lifespan of your rental or construction assets, we offer multiple finishes. While our Painted props are highly cost-effective, our Galvanized props provide superior long-term anti-rust performance. For the ultimate durability against scratching and concrete adhesion, our Powder Coated surface is the industry-leading choice.
Time & Cost Efficiency: The intuitive pin-and-thread adjustment mechanism allows construction workers to install, adjust, and dismantle the shoring system in minutes, drastically reducing labor costs and speeding up project timelines.

Product Applications

Concrete Formwork Shoring: The primary vertical support for pouring concrete floor slabs, ceilings, and heavy architectural beams.
Bridge & Infrastructure Construction: Providing heavy-duty, reliable staging and shoring for civil engineering projects.
Building Repair & Alteration: Serving as temporary structural supports when removing load-bearing walls, altering foundations, or renovating historical buildings.
Trench Strutting: Utilized as robust lateral support in excavation and trenching projects to ensure absolute worker safety.

Packaging & Delivery

Secure Bundling & Palletizing: All steel props are tightly packed in heavy-duty bundles secured with steel straps. Depending on client requirements, we can provide sturdy wooden pallets or comprehensive plastic wrapping to prevent moisture exposure during sea freight.
Container Optimization: Due to the dense weight of steel props, our loading experts meticulously arrange the bundles to maximize the payload of 20ft shipping containers, ensuring you achieve the lowest possible landed cost per unit.
Export Readiness: Manufactured in Tianjin, China, we ensure rapid dispatch through Xingang Port. We supply all necessary export documentation, including Mill Test Certificates (MTC) verifying the Q235/Q345 steel grades.

Frequently Asked Questions (FAQ)

Q: How do I choose between light-duty and heavy-duty steel props?
A: The choice depends on the thickness of the concrete slab and the height of the shoring system. Heavy-duty props feature thicker inner and outer tubes (e.g., 2.0mm to 3.0mm+) and robust cast-iron nuts, specifically designed for high-load commercial construction. Light-duty props are ideal for standard residential ceilings and quick repairs.

A: While painted props are cost-effective, the paint can easily crack and fall off during rough handling, leading to rust. Galvanized props offer excellent metallurgical protection against rusting. Powder-coated props, though slightly higher in cost, provide a tough, impact-resistant shell that significantly outlasts traditional paint.

A: Our threaded sleeves are precision-machined for smooth height adjustment and are deeply welded to the outer tube. The supporting nuts (often forged or cast) are engineered to withstand extreme vertical pressure without the risk of thread stripping.

A: Yes. We can customize the top plate of the shuttering prop. Besides the standard flat plate, we offer U-head plates specifically designed to securely cradle timber H20 beams or steel girders.

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