ASTM Carbon Steel Angle Bar: Dimensions, Grades and Applications

ASTM angle bar, also known as angle steel, is one of the most popular steel products in the international industries and infrastructure markets. Angle bars conforming to ASTM standards offer outstanding strength, stability, and flexibility, which makes them ideal for an extensive number of load support and bearing uses.

AngleBar

Standard Dimensions

Type Size (Leg × Leg × Thickness) Thickness Range Typical Length
Equal Angle Bar 25 × 25 mm – 200 × 200 mm 3 – 24 mm 6 m / 12 m or cut-to-length
Unequal Angle Bar 30 × 20 mm – 200 × 125 mm 3 – 20 mm 6 m / 12 m or cut-to-length
Large Size Angle Bar 150 × 150 mm and above Up to 25 mm 6–12 m or customized
angle bar size

Common ASTM Grades

Several ASTM grades are widely applied in angle bar production, including:

ASTM A36 Angle Bar – General purpose A36 plate is a plain carbon steel plate, which is suitable for welding, riveted, or bolted.

ASTM A572 Grade 50 Angle Bar – High-strength, low-alloy steel with better strength-to-weight ratio than A36, used in bridges and heavy structures.

ASTM A992 Angle Bar – Used in structural framing where uniform mechanical properties are desired.

These specifications enable engineers and contractors to choose angle bars according to the strength, weldability and standard design requirements.

Key Applications

ASTM angle bars are widely applied in various industries such as:

Building construction: Structural frames, columns, roof trusses, and bracing systems

Infrastructure projects: Bridges, transmission towers, ports, and highways

Industrial facilities: Equipment supports, platforms, and machinery frames

Energy and utilities: Power plants, renewable energy structures, and substations

With their straightforward design and high strength, angle bars are a economic solution for both permanent and temporary structures.

Royal Steel Group Advantage

Royal Steel Group offers ASTM angle bars in various sizes and grades to satisfy the needs of international customers in the construction and infrastructure industry. With excellent production coordination, rigorous quality control and rich export experience, Royal Steel Group can provide customers stable supply, flexible customization and professional technical service to support your project. Whether it’s standard construction, or your unique project needs, our company provides global clients with solutions that improve efficiency, compliance and long-term reliability in steel sourcing.

Post time: Feb-04-2026