page_banner

ASTM A615 / A706 Grade 40 / 60 / 75 Steel Rebar High-Strength Reinforcing Steel for Structural Construction

Steel rebar plays a critical role in reinforced concrete structures by improving tensile strength, load-bearing capacity, and long-term durability. ASTM A615 and ASTM A706 steel rebars are widely used in residential, commercial, industrial, and infrastructure projects across North America and global markets.

With yield strength options of Grade 40, Grade 60, and Grade 75, these rebars provide engineers and contractors with flexible solutions to meet different structural and seismic requirements.

steel rebar (3)

What Is ASTM A615 Steel Rebar?

ASTM A615 is the most commonly used carbon steel reinforcing bar standard in the United States. It is primarily designed for general reinforced concrete construction where high strength and cost efficiency are required.

Key characteristics:
High tensile and yield strength
Cost-effective solution for large-volume projects
Available in Grades 40, 60, and 75
Widely used in buildings, pavements, bridges, and foundations

ASTM A615 rebar is ideal for projects where weldability is not a critical requirement.

What Is ASTM A706 Steel Rebar?

ASTM A706 is a low-alloy steel rebar specially developed for seismic-resistant and welded structures. Compared with A615, A706 offers stricter chemical composition limits and improved ductility.

Key advantages:
Excellent weldability
Higher ductility and elongation
Better performance in earthquake-resistant structures
Preferred for bridges, high-rise buildings, and seismic zones

ASTM A706 is often specified when structural safety and flexibility are top priorities.

Grade Comparison: Grade 40 vs Grade 60 vs Grade 75

Grade Minimum Yield Strength Typical Applications
Grade 40 40 ksi (275 MPa) Light structures, residential buildings
Grade 60 60 ksi (420 MPa) Commercial buildings, highways, bridges
Grade 75 75 ksi (520 MPa) Heavy infrastructure, high-load structures

Higher grades allow for reduced steel consumption while maintaining structural strength, helping optimize project costs and design efficiency.

Common Applications

ASTM A615 / A706 steel rebars are widely used in:

Building Construction: beams, columns, slabs, foundations

Infrastructure Projects: bridges, highways, tunnels

Industrial Facilities: factories, warehouses, power plants

Seismic Structures: earthquake-resistant buildings and bridges (A706)

Sizes, Surface & Processing

Sizes: #3 to #18 (custom diameters available)

Surface: Deformed rebar for superior concrete bonding

Processing: Cutting, bending, threading, and welding (A706 recommended)

Packaging: Bundled with steel straps, export-standard packing

Why Choose Our ASTM Steel Rebar?

Full compliance with ASTM A615 & ASTM A706 standards

Stable mechanical properties and chemical composition

Strict quality control and mill test certificates (MTC)

Flexible supply for bulk orders and customized requirements

Rich export experience for North America, Latin America, and the Middle East

Why Choose Our ASTM Steel Rebar?

Full compliance with ASTM A615 & ASTM A706 standards

Stable mechanical properties and chemical composition

Strict quality control and mill test certificates (MTC)

Flexible supply for bulk orders and customized requirements

Rich export experience for North America, Latin America, and the Middle East

Whether your project requires cost-effective reinforcement (ASTM A615) or high ductility and weldability for seismic safety (ASTM A706), Grade 40, 60, and 75 steel rebars provide reliable performance for a wide range of structural applications.

Choosing the right grade and standard ensures structural integrity, safety, and long-term durability for your concrete construction projects.

ROYAL GROUP

Address

Kangsheng development industry zone,
Wuqing district, Tianjin city, China.

E-mail

sales01@royalsteelgroup.com

Phone

Sales Manager: +8613652091506

Hours

Monday-Sunday: 24-hour Service

Post time: Feb-04-2026