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AISC Standard W36 Extra Heavy-duty Wide Flange Steel Beam W36×282/302/330/361
The W36 series of heavy-duty structural steel is a large-section hot-rolled wide-flange component that complies with American standards such as ASTM A992 and A572 Gr50. This series features high section modulus and excellent lateral stability performance, specifically designed for high-load conditions. It is suitable for applications in super high-rise transfer floors, large-span heavy-load roofs, heavy-load transportation bridges, and large metallurgical equipment bases, which all have strict requirements for bearing capacity. It can undergo customized processing such as fixed-length cutting, arc bending, drilling, welding, and anti-corrosion coating, and comes with complete inspection materials to meet the requirements of project review in North America, on-site inspection, and overseas supply.
| Item | Specification |
| Product | Wide Flange Beam |
| Standard | ASTM A36/A572/A992 |
| Steel Type | Structural Carbon Steel |
| Available Sizes | W36× 282, W36×302, W36×330, W36×361 |
| 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) | Iy (in⁴) | Sx (in³) | Sy (in³) |
|---|---|---|---|---|---|---|---|---|---|
| W36×282 | 37.1 | 16.9 | 0.970 | 82.9 | 282 | 17400 | 1180 | 938 | 140 |
| W36×302 | 37.3 | 17.1 | 1.040 | 88.8 | 302 | 18700 | 1310 | 1000 | 153 |
| W36×330 | 37.6 | 17.3 | 1.130 | 97.0 | 330 | 20500 | 1470 | 1090 | 170 |
| W36×361 | 38.0 | 16.7 | 1.120 | 106.0 | 361 | 25700 | 1570 | 1350 | 188 |
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CNC cutting: Based on engineering drawings, precise cutting is carried out to determine the length, and the cutting edge surface is adjusted to eliminate burrs. This ensures the subsequent assembly accuracy of W36 steel.
Arc forming: Using special fixtures, the arc-shaped bending of large-section steel beams is completed, effectively controlling the amount of rebound, and processing the arc degree to match special structures such as arch beams and arc frames.
Component welding: Welding operations are carried out in accordance with AISC standards, strictly controlling the weld quality, completing node assembly and splice of stiffening plates, and meeting the requirements of heavy-load bearing.
Precision drilling: The CNC drilling machine processes bolt connection holes to ensure the tolerance of hole position, hole diameter, and hole spacing, and is suitable for North American high-strength bolt connection nodes.
Surface treatment: Sandblasting for rust removal combined with customized coating schemes is used to remove the oxide layer, enhancing the corrosion resistance of the components, and adapting to outdoor and humid working conditions.
Pre-assembling: The components are assembled in the factory for testing, verifying the overall assembly dimensions, and identifying and resolving assembly interference issues in advance, reducing the difficulty of on-site installation.
Ordinary Surface
Hot Galvanized Surface
Black Oil Surface
Reinforced main beam of industrial platform: Used for the load-bearing platform in large-scale chemical and energy projects, it bears the equipment load and maintenance live load. The W36 high-section stiffness ensures the long-term stability of the platform.
Load-bearing arch frame for arched roof: As the main material of the arched structure of the roof, combined with the curved arc processing technology, it achieves an extremely large clear space, suitable for large storage and venue buildings.
High-pole supporting structure column cap beam: Applied to the girder parts of pipe racks and elevated walkways, it receives the vertical loads from the upper part and resists lateral wind loads and vibration effects.
Heavy-duty lifting equipment support beam: Used as the main beam for cranes and gantry cranes, it can withstand reciprocating impact loads and is suitable for the load requirements under heavy-load lifting conditions.
1. Complete range of specifications: We offer a full range of W36 series specifications, covering from W36×135 to W36×361, which can be matched for different load levels of steel structure projects in the Americas.
2.Process suitable for heavy-load components: We have customized processing plans for W36 large-section steel beams, capable of undertaking complex node fabrication. The processing tolerances comply with AISC standards, meeting the construction requirements for high-load components.
3.Flexible multi-batch production scheduling: Supports batch-by-batch on-demand delivery. Can adjust the production rhythm according to the project schedule, taking into account both small-scale sample trials and large-scale engineering orders, reducing the inventory pressure on customers.
4.Local acceptance support: Familiar with the third-party inspection process in the Americas, can cooperate with the client's supervision inspection and component sampling. The entire set of documentation formats comply with local engineering inspection habits.
5.Customizable logistics plan: Plans the loading scheme based on the characteristics of W36 heavy-long pieces, optimizes the loading arrangement, takes measures to prevent deformation, and adapts to the loading conditions of different ports in the Americas.
6.Technical connection: Technical personnel can participate in the drawing review, provide suggestions for section selection and node optimization, and promptly respond to the technical changes at the construction site.
Protective treatment: Special protective corners are added to the edges and corners of the steel sections, and hard isolation strips are laid between the components to prevent the flanges and web plates from being scratched during transportation.
Binding and fixation: Multiple points of rigid binding are used, combined with anti-slip clasps, and support points are set according to the self-weight characteristics of W36 to prevent slippage and bending caused by ship transportation vibrations.
Identification management: The waterproof labels clearly indicate the project number, specification, and furnace batch number. The documents are independently sealed to facilitate quick counting and verification at overseas terminals.
Shipping planning: The frame cabinets or bulk carriers are selected flexibly based on the length of the components. During loading, the center of gravity position is controlled, and temporary support structures are added for extremely long components.
Outbound verification: After packaging, each bundle is inspected for reinforcement status, and packaging photos are simultaneously recorded. The verification vouchers are retained to ensure that the arrival status can be traced.
Q: Can the W36 series steel sections be processed with variable dimensions according to the project drawings?
A: Yes, we support customized processing such as fixed-length cutting, node stiffener plate welding, arc bending and hole opening. The processed results comply with the AISC standards.
Q: How long is the delivery cycle for the W36 super heavy-duty steel beams?
A: The delivery for regular standard specifications is relatively fast. Orders requiring deep processing will be scheduled based on the complexity of the processing, and the delivery cycle can be confirmed simultaneously during the quotation stage.
Q: Can W36 steel beams provide witness inspection by a third-party testing agency?
A: Yes, we can cooperate with the third-party inspection personnel to take samples on-site and conduct witness testing, and issue the corresponding test report for North American engineering inspection.
Q: Can the W36 steel sections provide custom paint colors and coating thickness?
A: Yes, they can be customized according to customer requirements. The types of primer and topcoat can be specified, and the coating thickness and color can be executed according to the project technical documents.
Q: Will the W36 steel beams deform during the unloading process after arriving at the port?
A: We will design an exclusive reinforcement plan based on the weight of the components, provide lifting instructions, and standardize the unloading method to reduce the risk of deformation during lifting.
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