28 mm A4 Rebar | High‑Strength Export Deformed Steel Bar (ISIRI 3132)

Product Overview

The 28 mm Deformed Rebar A4 is a high‑strength reinforcement steel bar produced according to the Iranian National Standard ISIRI 3132 and international specifications. With a composite cross‑spindle rib pattern and exceptional tensile performance, this rebar is widely used in major structural and infrastructure projects across regional export markets.

Due to its uniform production quality, precise mechanical control, and export‑grade packaging, A4 rebar is a preferred choice for international traders and large‑scale construction companies.

Technical Specifications

Diameter

28 mm

Rebar Grade

A4

Rib Pattern

Composite (cross‑spindle) ribs

Manufacturing Standard

• ISIRI 3132

Mechanical Properties

• Yield Strength: 500–520 MPa
• Tensile Strength: ≥ 650 MPa
• Excellent tensile behavior with strong structural performance

Export Packaging

• Standard export bundled packaging
• Secure steel strapping and labeling
• Suitable for sea and land transportation
• Ready for export to GCC countries, Iraq, Central Asia, and other regional markets

Applications

• Heavy reinforced concrete structures
• High‑rise buildings and vertical towers
• Industrial and large infrastructure projects
• Foundations and heavy load‑bearing systems
• Mega‑projects requiring high‑strength reinforcement

Key Advantages

• Very high tensile strength suitable for demanding applications
• Composite rib pattern ensuring superior bonding with concrete
• Consistent dimensional accuracy and uniform surface quality
• Reliable mechanical performance with strict quality control
• Export‑ready packaging for international shipments