| Shape | U Channel, other shapes can be customized |
| Standard | AISI, ASTM, DIN, JIS, GB, EN |
| Surface Treatment | Black, Galvanized, Coated, Oiled, Painted |
| Length | 1-12m, or length customized |
| Depth(or height) | 50-400mm, can be customized |
| Flange Width | 37-102mm, can be customized |
| Web Thickness | 4.5-12.5mm, can be customized |
| Application | building ,structure, foundation and support ,Scaffold, equipment and support. |
Product Overview
U-shaped channel steel is a long strip steel with a cross-sectional shape in the form of a "U". Its structure is typically composed of a web and two flanges. The web is relatively thick to enhance the bending stiffness, while the flanges are relatively thin. The overall design aims to efficiently bear loads and provide structural support. This shape enables it to evenly distribute stress when under pressure, thereby enhancing its load-bearing capacity and stability.
Material & Chemical composition
The materials of U-shaped channel steel mainly include carbon structural steel and stainless steel. Carbon structural steel is represented by Q235B, Q275B, etc. The typical composition of carbon structural steel, taking Q235B as an example, mainly consists of iron (Fe), with a carbon content not exceeding 0.25%, and contains a small amount of silicon (Si), manganese (Mn), etc. Its yield strength is approximately 235 MPa.
Product chemical composition
| Element | Carbon (C) | Manganese (Mn) | Silicon (Si) | Sulfur (S) | Phosphorus (P) |
| Q235 | ≤ 0.20% | 0.30% - 0.70% | ≤ 0.35% | ≤ 0.045% | ≤ 0.045% |
| Q345 | ≤ 0.20% | 1.00% - 1.60% | ≤ 0.55% | ≤ 0.045% | ≤ 0.045% |
| SS400 | ≤ 0.25% | ≤ 1.20% | ≤ 0.60% | ≤ 0.050% | ≤ 0.045% |
| ST37-2 | ≤ 0.20% | ≤ 1.20% | ≤ 0.35% | ≤ 0.025% | ≤ 0.025% |
Mechanical Properties
| Property | Q235 | Q345 | SS400 | ST37-2 (hot-rolled, 8–150mm thick) |
| Yield strength (MPa) | Approximately 235 | Approximately 345 | Approximately 245 (EN 10025‑2) | Not less than 365 |
| Tensile strength (MPa) | 370 – 500 | 510 – 680 | 400 – 510 | 520 – 640 |
| Elongation (%) | Not less than 26 (gage length 100mm) | Not less than 22 | Not less than 22 | Not less than 19 |
Manufacturing Process
The manufacturing process of U-shaped steel mainly includes material selection, hot working and cold bending processes. In the material selection stage, suitable steel materials such as Q235 or 20MnK should be chosen based on the application scenarios to ensure that the mechanical properties meet the requirements.
In the hot working process, the steel is heated to an appropriate temperature (usually about 1200°C) and then formed through a hot rolling mill. Hot rolling can improve the internal structure and performance of the steel, and is suitable for large-scale production with high efficiency.
The cold bending process is carried out at room temperature, using pressure machinery and molds for processing. It has high precision (error ±0.1mm) and good surface quality, making it suitable for U-shaped steel with high precision requirements.
Main Features of U channel Beam
Excellent Structural Stability: U-steel has a concave cross-section , which distributes load evenly across its flanges and web. This design gives it strong bending resistance and torsional rigidity, making it less prone to deformation under heavy loads or external pressure.
Easy Installation & Assembly: Its standardized dimensions (common heights: 50-400mm, flange widths: 30-150mm) and flat surfaces allow for quick connection with bolts, welds, or brackets. It can be cut to custom lengths, adapting to different project layouts without complex processing.
Cost-Effective Material Utilization: Compared to solid steel bars, U-steel uses less raw material while maintaining comparable strength. This reduces weight (lower transportation costs) and overall procurement expenses, ideal for large-scale projects.
Good Compatibility: It works with other structural components (e.g., C-steel, I-steel, flat steel) to form integrated systems. The concave web also provides space for routing cables, pipes, or insulation, enhancing functional flexibility.
Key Application Scenarios of U channel Beam
Construction Industry:
Used as purlins (supporting roof panels) and girts (fixing wall cladding) in prefabricated warehouses, workshops, and steel-structured houses.
Serves as edge beams for stairs, platforms, or mezzanines, bearing pedestrian/equipment weight.
Logistics & Storage:
Fabricated into shelf beams for heavy-duty storage racks (e.g., in factories, logistics centers), supporting stacked goods (capacity up to 5-10 tons per layer).
Used as guide rails for conveyor systems or forklift channels, ensuring smooth movement of goods.
Mechanical & Equipment Manufacturing:
Acts as a frame or base for industrial machines (e.g., printing presses, packaging equipment), absorbing vibration and stabilizing the device.
Formed into protective covers or casings for mechanical parts, shielding them from dust and damage.
Infrastructure:
Applied in tunnel support systems (as secondary lining) or road guardrail foundations, withstanding soil pressure or external impacts.
Used in drainage ditch covers or cable trenches, where the concave shape accommodates pipelines and prevents water accumulation.
Why you choose our U channel beam
Superior Structural Efficiency: The U-shaped cross-section optimizes load distribution, delivering 25% higher bending resistance and torsional stiffness than traditional I-beams of the same weight, ensuring stable support for heavy-duty scenarios like industrial workshops and bridge auxiliary structures.
Cost-Effective Material Utilization: Made of high-strength Q235/Q355 steel, it achieves lightweight design while maintaining load-bearing capacity-reducing raw material consumption by 15-20% and lowering overall project costs (including transportation and installation).
Easy Installation & Compatibility: Precise pre-drilled holes (tolerance ±1mm) and standardized dimensions enable modular assembly, cutting on-site construction time by 30%. It seamlessly matches bolts, connectors, and other steel structure components for hassle-free integration.
Durable Corrosion & Environmental Resistance: Hot-dip galvanized or powder-coated surface treatment provides salt spray resistance for ≥480 hours, withstanding harsh conditions (temperature range: -20℃ to 60℃). It maintains structural integrity in humid, coastal, or industrial environments for long service life.
Customization & Compliance: Fully customizable height (100–500mm), flange width (60–200mm), and length (6–12m) to fit specific project needs. Complies with GB/T 700 and EN 10025 standards, with complete quality certificates (material test reports, non-destructive inspection records) for reliable performance.
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