Dengwei International Trade is mainly engaged in various high-end steel import and export businesses, and is a brand enterprise in the metal circulation industry.
A rebar cage is a preassembled framework made of reinforcing steel bars, designed to provide tensile strength and structural integrity to concrete in construction. Used in columns, beams, footings, and foundations, it ensures that rebar stays in the correct position during concrete pouring and curing. By reinforcing concrete's weak tensile properties, rebar cages help prevent cracking, increase load resistance, and extend the lifespan of buildings and infrastructure projects.
Rebar cages serve as the skeleton of reinforced concrete. They maintain precise rebar positioning, distribute loads evenly, and prevent cracks under stress. From highways and bridges to high-rise buildings, rebar cages ensure safety and long-term durability.
Depending on the construction element, different cage structures are fabricated:
| Rebar Cage Type | Application | Common Features |
|---|---|---|
| Column Cage | Vertical columns and piers | Longitudinal bars + spiral or tie rings |
| Beam Cage | Horizontal beams | Top & bottom rebars with stirrups |
| Footing Cage | Foundations | Mesh or grid structures with dowels |
| Cylindrical Cage | Drilled shafts, caissons | Spiral cage with vertical bars |
Pre-tied cages ensure consistent concrete coverage and bar spacing, enhancing strength and durability.
Factory-assembled cages save on-site tying time and reduce manual errors.
Cages can be fabricated to project-specific shapes, sizes, and engineering tolerances.
Rebar cages can be prefabricated, bundled, and shipped globally, supporting international infrastructure projects.
| Standard | Region | Application |
|---|---|---|
| ASTM A615 / A706 | USA | Structural reinforcing bars |
| BS 4449 | UK & Europe | Weldable steel bars |
| GB/T 1499 | China | Hot-rolled ribbed bars |
| IS 1786 | India | High strength deformed steel |
Rebar cages are in high demand in regions with rapid infrastructure growth:
| Region | Key Projects | Annual Demand Estimate |
|---|---|---|
| Middle East | Metro systems, desalination plants | Over 200,000 tons |
| Southeast Asia | Bridges, residential high-rises | 150,000+ tons |
| Europe | Rail corridors, wind farms | 120,000 tons |
A rebar cage reinforces concrete, helping it resist tensile forces and distribute loads to prevent cracks and failure.
Yes, they are designed based on structural drawings and can vary in diameter, spacing, and configuration.
Both methods are used. Tied cages are more flexible and common on site, while welded cages offer higher rigidity for prefabrication.
They are pre-tied, bundled, and secured for container or bulk shipping, with protective caps and tagging for easy installation.
They should comply with ASTM, BS, GB/T, or IS standards depending on the export destination, ensuring material strength and weldability.
Rebar cages are fundamental in any reinforced concrete structure. Their role in maintaining structural integrity, ease of customization, and adaptability to global standards makes them a cornerstone of modern construction. For steel exporters, offering pre-tied rebar cages adds high-value fabricated products that meet growing global infrastructure needs.
