D28 Modular Welding Table For Construction Steel Beam Processing Factory is a professional industrial 3D flexible welding solution tailor-made for steel beam manufacturing, structural steel fabrication, and heavy steel structure processing plants. Built with industry-standard Φ28mm modular hole systems and full five-sided precision perforated design, this heavy-duty welding table delivers ultra-stable clamping, high-precision assembly, and low-deformation welding performance for all types of construction steel beams, H-beams, steel columns, and truss components. Replace inefficient custom single-purpose welding jigs with our reusable, spliceable, and robot-compatible D28 modular platform to boost production efficiency, reduce tooling costs, and ensure consistent workpiece accuracy for mass and custom steel structure orders.

| Item | Technical Specification |
|---|---|
| Standard Hole System | Φ28mm, 100mm×100mm grid spacing |
| Hole Position Accuracy | ±0.05mm |
| Table Flatness | Standard grade: ≤0.1mm/1000mm; Precision grade: ≤0.05mm/1000mm |
| Verticality of Side Plate | ≤0.1mm/200mm |
| Maximum Clamping Force | 5000kg |
| Main Material Options | HT300 Gray Cast Iron / Q355 Nitrided Steel |
| Table Thickness | 20mm / 25mm / 30mm (custom thickened available) |
| Load Capacity | 2-8 tons/㎡ (depending on material) |
| Standard Sizes | 1500×1000 / 2000×1000 / 2000×1500 / 3000×1500 / 4000×2000mm |
| Splicing Method | Seamless integral splicing with D28 positioning pins |
| Certification | CE / SGS / Factory Material Test Report |
Four major categories of standard accessories, all interchangeable and can be purchased in batches for expansion: