Steel Products

Universal Beam

           

   

A universal beam (UB), also known as a wide flange beam or I-beam, is a structural steel member characterized by its distinctive “I”-shaped cross-section. This design consists of two parallel flanges connected by a vertical web, forming a strong and efficient structural profile.

Universal beams are precisely engineered to withstand substantial loads while maintaining structural integrity, making them an ideal choice for a wide range of applications.

Purpose and Applications of Universal Beams

Universal beams are primarily used as load-bearing components in construction projects, serving as the structural backbone of buildings and infrastructure. Their main function is to transfer and distribute the weight of the structure, along with any additional imposed loads, to supporting columns or foundations.

These beams are particularly effective at spanning long distances, allowing architects and engineers to design open floor plans and expansive spaces without compromising strength or stability. Beyond conventional construction, universal beams are also widely used in the fabrication of machinery, bridges, and other infrastructure projects.

Key Properties of a Universal Beam

When ordering or substituting a universal beam, the following properties should be verified against the design specifications:

  • Depth × Width × Mass (kg/m): Defines the section size (e.g., 203 × 133 × 25 UB)

  • Section Modulus (Z) and Second Moment of Area (I): Govern bending strength and deflection performance

  • Web and Flange Thickness: Influence shear capacity and connection detailing

  • Steel Grade (Yield Strength): Grades such as S275 or S355 affect allowable spans, load capacity, and welding behavior

Typical Sizes and Designations in Singapore

In Singapore, universal beams are commonly specified in sizes such as UB 152 × 89, 178 × 102, 203 × 133, 254 × 146, 305 × 165, and 356 × 171, with heavier sections available for higher load requirements.

Commonly Supplied Material Grades

  • S275: A dependable mild steel grade suitable for general structural applications

  • S355: A higher-strength steel grade ideal for longer spans and heavier loads while maintaining good weldability

Advantages of Using Universal Beams

Universal beams offer several benefits that contribute to their widespread use in the construction industry:

  • High Strength-to-Weight Ratio: Despite their relatively lightweight design, universal beams provide exceptional load-carrying capacity.

  • Versatility: Available in a wide range of sizes and dimensions, making them suitable for residential, commercial, and industrial projects.

  • Ease of Installation: Standardized dimensions and consistent quality simplify installation, reduce labor costs, and minimize construction errors.

  • Durability: When properly designed and installed, universal beams can withstand harsh environmental conditions and maintain performance for decades.

  • Sustainability: Steel is highly recyclable, supporting environmentally responsible and sustainable construction practices.

Kindly contact Fasten Enterprises for available sizes, price and more details.