Product Classification
Category | Type | Description |
By Structure | Steel Pipe Support (Single) | Single large-diameter steel pipe for general support |
| Steel Pipe Support (Combined) | Multiple pipes combined into lattice support for long spans |
| Section Steel Support | H-beam or I-beam combinations for special conditions |
| Adjustable Steel Support | With adjustment nut and threaded rod for height adjustment |
By Pipe Diameter | Φ200 Type | 200mm OD for small to medium foundation pits |
| Φ300 Type | 300mm OD for medium foundation pits |
| Φ400 Type | 400mm OD for large foundation pits |
| Φ600 Type | 600mm OD for extra-large foundation pits and tunnels |
| Φ800 Type and above | For extra-long spans and special projects |
By Connection Type | Welded Type | Support ends welded to waling for fixation |
| Flange Connection Type | Flanged ends with bolted connections for easy assembly and disassembly |
| Adjustable End Type | One end fitted with adjustable head for fine length adjustment and easy installation |
By Material | Q235B | Standard strength for general use |
| Q355B | High strength for heavy-duty and long-span projects |
Main Specifications
Model | Outer Diameter (mm) | Wall Thickness (mm) | Single Length (m) | Theoretical Weight (kg/m) | Reference Load (kN) |
Φ200×6 | 200 | 6 | 6-12 | 28.7 | 1000 |
Φ200×8 | 200 | 8 | 6-12 | 37.9 | 1350 |
Φ300×8 | 300 | 8 | 6-12 | 57.6 | 2100 |
Φ300×10 | 300 | 10 | 6-12 | 71.5 | 2600 |
Φ400×10 | 400 | 10 | 6-12 | 96.2 | 3500 |
Φ400×12 | 400 | 12 | 6-12 | 114.8 | 4200 |
Φ400×14 | 400 | 14 | 6-12 | 133.3 | 4900 |
Φ600×12 | 600 | 12 | 6-12 | 173.9 | 6500 |
Φ600×14 | 600 | 14 | 6-12 | 202.3 | 7500 |
Φ600×16 | 600 | 16 | 6-12 | 230.4 | 8500 |
Φ800×14 | 800 | 14 | 6-12 | 271.2 | 10000 |
Φ800×16 | 800 | 16 | 6-12 | 309.3 | 11500 |
Φ800×18 | 800 | 18 | 6-12 | 347.0 | 12800 |
Other diameters, wall thicknesses, and lengths can be custom-produced according to design drawings. Load capacities are theoretical reference values; actual bearing capacity should be determined by structural design.
Materials & Standards
Material | Yield Strength (MPa) | Tensile Strength (MPa) | Standard |
Q235B | ≥235 | 370-500 | GB/T 13793, GB/T 700 |
Q355B | ≥355 | 470-630 | GB/T 13793, GB/T 1591 |
For export, products can be manufactured to EN 10210 (European), ASTM A500 (US), JIS G3444(Japanese) and other international standards, with equivalent materials such as S235JR, S355JR, Gr.B, Gr.C available.
Surface Finishes
Finish | Features | Application |
Hot-dip Galvanized | Zinc coating ≥40μm, excellent corrosion resistance, 20-50 years service life | Outdoor, underground, coastal, high-corrosion areas |
Painted (various colours) | Custom colours, decorative appearance | Projects with colour-coding or aesthetic requirements |
Hot-dip galvanizing is the core advantage of galvanized steel support and is strongly recommended for long-term corrosion protection.
Key Advantages
Advantage | Description |
Strong Corrosion Resistance | Hot-dip galvanized coating ≥40μm, effective against atmospheric, soil, and water corrosion, long service life |
High Load Capacity | Large-diameter thick-wall steel pipe, single support capacity up to 10000kN and above |
Complete Specifications | Covers Φ200-Φ800 diameters, wall thickness 6-18mm, custom lengths |
Easy Installation | Flange and adjustable end designs enable quick on-site assembly, saving construction time |
Reusable | Sturdy construction allows multiple uses after disassembly, cost-effective |
Strong Adaptability | Available as single pipe, combined lattice, and other configurations per project needs |
Reliable Quality | 100% NDT on welds, strong galvanized coating adhesion, no missed plating |
ackaging & Shipping
Packaging Method | Description |
Bare Bundled | Large-diameter pipes delivered bare with timber supports at both ends |
Waterproofing | Wrapped with waterproof woven fabric or PVC film |
End Protection | Protective caps fitted to ends to prevent collision deformation |
Custom Marking | Labels or stenciled markings as per customer request |
Loading Port | Qingdao, Tianjin – we can arrange ocean freight |
supplies a full range of galvanized steel supports, including single-pipe supports, combined supports, and adjustable supports, in materials Q235B/Q355B, with hot-dip galvanized finish, custom-fabricated to drawings, compliant with domestic and international standards, and supports export packaging. For inquiries and quotations, please contact us.
