Download the Latest W beam Specifications and Dimensions.
Heavy duty American standard W-shaped steel W40 × 235-327 – Infrastructure heavy duty load-bearing component
The W40 series American standard wide-flange beams are hot-rolled heavy-duty W-shaped steel, produced strictly in accordance with AISC standards. They have excellent bending resistance and outstanding load-bearing capacity. This series covers large specifications such as W40×149-327, and supports operations like cutting, arc bending, CNC drilling, welding, anti-corrosion coating, and pre-assembly customization processing. They are widely used in American engineering projects such as highways, heavy-load factories, large-span commercial buildings, and infrastructure bridges, and can be supplied in fixed lengths according to project requirements. They are also equipped with stable export packaging and maritime transportation solutions.
| Item | Specification |
| Product | Wide Flange Beam |
| Standard | ASTM A36/A572/A992 |
| Steel Type | Structural Carbon Steel |
| Available Sizes | W40 ×235, W40 ×264, W40 ×278, W40 ×327 |
| Shape | W / Wide Flange |
| Surface | Black / Mill Finish |
| Length | Standard 6 m / 12 m, Custom Length Available |
| Manufacturing | Hot Rolled |
| Application | Building, Bridge, Warehouse, Industrial Structure |
| Inspection | MTC / Third-Party Inspection Available |
Technical Data
| Chemical Composition (Heat Analysis, Max %) | ||||||
| Steel Grade | C | Mn | Si | P | S | Nb+V |
| ASTM A992 | ≤0.23 | 0.50–1.50 | ≤0.40 | ≤0.035 | ≤0.045 | ≤0.15 |
| ASTM A572 Gr50 | ≤0.23 | ≤1.35 | 0.15–0.40 | ≤0.040 | ≤0.050 | Micro-alloyed |
| ASTM A36 | ≤0.26 | 0.80–1.20 | ≤0.40 | ≤0.030 | ≤0.030 | — |
| Mechanical Properties (Static Performance Standard) | ||||
| Steel Grade | Yield Strength (MPa/ksi) | Tensile Strength (MPa/ksi) | Elongation (min) | Performance Feature |
| ASTM A992 | ≥345 / 50 | ≥450 / 65 | 18% | Seismic resistant, ductile, preferred for W-shape beams |
| ASTM A572 Gr50 | ≥345 / 50 | ≥450 / 65 | 18% | High strength, ideal for heavy-load structures |
| ASTM A36 | ≥250 / 36 | 400–550 / 58–80 | 20% | Excellent weldability, cost-effective for general construction |
Wide Flange Beam Sizes - W Beam
| Designation (in × lb/ft) | Depth d (in) | Width w (in) | Web Thickness s (in) | Section Area (in²) | Weight (lb/ft) | Ix (in⁴) | Sx (in³) | Sy (in³) |
|---|---|---|---|---|---|---|---|---|
| W40×235 | 39.7 | 11.9 | 0.720 | 69.1 | 235 | 17400 | 875 | 214 |
| W40×264 | 40.0 | 11.9 | 0.790 | 77.4 | 264 | 19400 | 971 | 240 |
| W40×278 | 40.2 | 12.0 | 0.830 | 82.3 | 278 | 20500 | 1020 | 258 |
| W40×327 | 40.8 | 12.1 | 0.960 | 95.9 | 327 | 24500 | 1200 | 303 |
Click the Button on The Right
1. Cutting and trimming: Cut the main material of the W40 wide flange beam according to the dimensions on the drawing, ensuring the accuracy of the length.
2. Arc forming: Form the arc shape as needed, process the main beam components in an arc shape, and adapt to the design of curved bridges.
3. Welding processing: Weld the components together, strictly control the quality of the weld seams, and meet the mechanical requirements of heavy-load structures.
4. CNC drilling: Process the connection holes with high precision to ensure the adaptability of on-site bolt assembly.
5. Surface treatment: Carry out anti-corrosion protection processes such as rust removal, painting, and hot-dip galvanizing to adapt to coastal conditions.
6. Pre-assembling: Pre-assemble the components, verify the overall dimensions, and detect and rectify assembly deviations in advance.
Ordinary Surface
Hot Galvanized Surface
Black Oil Surface
1. Heavy-duty support structure for port terminals: Resisting long-term alternating loads from loading and unloading equipment.
2. Main load-bearing beams of elevated walkways and pedestrian bridges: Designed for outdoor and open-air usage environments.
3. Heavy machinery base supports: Providing stable and rigid base for large equipment.
4. Load-bearing components of multi-story industrial buildings' transfer floors: Transferring large loads from the upper floors.
1. Standard Adaptation: Strictly follow AISC and ASTM American standards to produce W40 wide-flange beams. The parameters are fully matched with the American engineering drawings and can be directly used for project construction.
2. Full Process Customization: Supports one-stop processing including cutting, arc bending, drilling, welding, anti-corrosion coating, and pre-assembly, eliminating the need for customers to perform secondary processing.
3. Stable Supply: Regularly stock the mainstream specifications of the W40 series, and can be ordered by project size to ensure the project schedule in overseas locations.
4. Export Support: Familiar with the procurement and maritime packaging requirements of American projects, providing material certificates, inspection reports, and complete customs clearance documents.
1. Packaging: The W40 wide flange beam is packed with steel straps and protected at the ends with steel guards to prevent磕碰and scratches during lifting; the surface of the components is covered with waterproof plastic film to prevent moisture and rust， and is suitable for ocean shipping conditions.
2. Transportation： It can be bundled according to customer requirements at specific lengths, with specifications, furnace numbers and marks indicated； it is compatible with container and bulk cargo ships for transportation， and is properly arranged and fixed to prevent displacement and deformation during transportation.
3. Documents: Each batch of goods comes with a packing list and material certificates， which are convenient for overseas receiving parties to count， inspect and clear customs.
1. Can the W40 series American standard wide flange beams be cut to non-standard lengths according to the project drawings?
Answer: Yes, custom-length cutting is supported. The beams can be processed to the specified length as per the engineering drawings, while maintaining the mechanical properties of the American standard section.
2. What material certification documents are generally provided for the W40 wide flange beams?
Answer: Original material certificates and factory inspection reports can be provided. The documents comply with ASTM and AISC standards and meet the requirements for project submission and customs clearance in the Americas.
3. Can the W40×235, 264, 278, and 327 specifications be shipped together in a mixed batch?
Answer: Yes, they can be bundled together. Different specifications should be separately bundled and clearly marked with labels to facilitate sorting after the goods arrive at the port.
4. What are the available surface anti-corrosion treatment options for the American standard W40 wide flange beams?
Answer: Anti-corrosion methods such as rust-proof primer, multi-layer paint, and hot-dip galvanizing can be selected. The recommended schemes can be determined based on the coastal or inland environment where the project is located.
5. When packing the W40 heavy-duty wide flange beams, what measures are taken for the container loading weight and fixation method?
Answer: The weight of each bundle is calculated in advance, and internal supports and steel belts are added for reinforcement to prevent shifting during shipping due to oceanic turbulence and avoid the risk of component deformation.
Write your message here and send it to us
