8 mm Deformed Rebar A3 for Export

8 mm Deformed Rebar A3 is a high‑strength reinforcing steel bar widely used in reinforced concrete structures. Due to its mechanical strength, ribbed surface, and reliable performance, this type of rebar is commonly used in construction, infrastructure, and engineering projects.

Produced according to recognized steel manufacturing practices, A3 grade rebar offers strong bonding with concrete and excellent load‑bearing capability, making it suitable for structural reinforcement in demanding building environments and export markets.

Technical Specifications of 8 mm A3 Rebar

• Diameter: 8 mm
• Type: Deformed (ribbed) reinforcing bar
• Grade: A3
• Standard length: Typically 12 meters
• Surface: Ribbed pattern to enhance bonding with concrete
• Application: Reinforcement in concrete structures

Mechanical Properties

A3 grade rebar is known for its high tensile strength and structural performance. Typical mechanical properties include:

• Yield Strength: approximately 400 MPa
• Tensile Strength: approximately 600 MPa
• Yield-to-Tensile Ratio: around 0.65 – 0.75
• Elongation: approximately 14%

These properties provide strong resistance to tensile forces while maintaining adequate ductility for structural applications.

Understanding A3 Rebar Grade

The A3 classification is commonly used in the Iranian steel standard for reinforcing bars and is widely recognized in regional export markets.

Key characteristics of A3 rebar include:

• Higher strength compared to A1 and A2 rebar grades
• A ribbed surface pattern designed for strong mechanical bonding with concrete
• Suitable for structural reinforcement in load‑bearing elements

In terms of mechanical performance, A3 rebar is often considered roughly comparable to ASTM Grade 60 reinforcing steel, which is commonly used in international construction standards.

However, due to its relatively high strength and lower ductility compared with softer grades, A3 rebar is generally not recommended for extensive cold bending after production and is typically used in structural reinforcement where shape modification is limited.

Advantages of 8 mm A3 Deformed Rebar

• High tensile and yield strength for structural reinforcement
• Strong bonding with concrete due to ribbed surface
• Good structural stability under heavy loads
• Suitable for reinforced concrete frameworks
• Manufactured for reliable export quality

Applications

8 mm A3 rebar is widely used in various construction and infrastructure projects, including:

• Reinforced concrete slabs
• Columns and beams reinforcement
• Residential and commercial buildings
• Bridges and infrastructure projects
• Industrial construction

Because of its balance of strength and durability, this rebar size is commonly used for secondary reinforcement and structural detailing in reinforced concrete structures.