Hot Rolled Re-Inforcing Bars
About Hot Rolled Re-Inforcing Bars
Grade 60 hot rolled rebar provides a minimum 60,000 PSI yield strength for concrete reinforcement. Meets ASTM A615 standards. Used for foundations, slabs, and structural columns. In stock in Los Angeles.
Quick Facts
- Material: Carbon Steel, Grade 60
- ASTM Standard: A615
- Available Sizes: #3 to #7
- Location: Los Angeles warehouse
- Services: Custom size, same-day pickup
Overview
Hot rolled reinforcing bar, commonly known as rebar, is a critical steel product used to provide tensile strength to concrete structures. Its deformed surface with lugs and ribs creates a strong mechanical bond with the surrounding concrete, preventing slippage and effectively transferring stress. Produced through a hot rolling process, Grade 60 rebar is the industry standard for residential and commercial construction, offering a reliable balance of strength and ductility for structural integrity.
The 'Grade 60' designation signifies a minimum yield strength of 60,000 PSI, ensuring the bar can withstand significant tensile forces before permanent deformation. This property is essential for reinforcing foundations, retaining walls, slabs, and columns, where it counteracts the inherent weakness of concrete in tension. The material's composition also allows for field bending and fabrication, making it versatile for various structural designs and project requirements.
Technical Specifications
Mechanical Properties (Grade 60)
| Property | Value | Unit |
|---|---|---|
| Tensile Strength | 90,000 | PSI |
| Yield Strength (Minimum) | 60,000 | PSI |
| Elongation | 7-9 | % |
Applicable Standards
- ASTM A615: Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement
Common Applications
- Foundations & Footings: Provides tensile strength to prevent concrete cracking under structural load.
- Slabs-on-Grade: Controls shrinkage cracking and increases the load-bearing capacity of concrete floors.
- Structural Columns & Beams: Forms the internal steel cage to resist bending and shear forces in vertical and horizontal members.
- Retaining Walls: Reinforces walls to withstand lateral pressure from soil and water.
- Bridge Decks & Abutments: Essential for handling heavy, dynamic loads from traffic and environmental stresses.
- Precast Concrete Products: Used to reinforce items like barriers, pipes, and building panels.
- Masonry Construction (CMU Walls): Strengthens concrete block walls when placed in grouted cells.
Working with Hot Rolled Re-Inforcing Bars
Machining
Rebar is not intended for machining due to its rough surface and wide dimensional tolerances. Cutting is typically performed with abrasive saws, hydraulic shears, or oxy-fuel torches.
Welding
Welding of ASTM A615 rebar is possible but requires careful adherence to structural welding codes. Preheating and the use of low-hydrogen electrodes are often necessary to maintain its mechanical properties and prevent brittleness.
Forming
Rebar is designed to be bent cold to form hooks, corners, and other shapes required for concrete reinforcement. Bending should be done with proper equipment to avoid fracturing the material.
Related Products
Frequently Asked Questions
Q: What do the numbers on rebar mean (e.g., #3, #4)?
A: The number indicates the bar's nominal diameter in eighths of an inch. For example, a #3 rebar has a diameter of 3/8", a #4 is 4/8" (or 1/2"), and a #5 is 5/8".
Q: Can rebar be used for applications other than concrete reinforcement?
A: While designed for concrete, its low cost and high strength make it useful for general fabrication, bracing, stakes, or artistic projects. However, its rough surface and wide dimensional tolerances should be considered.
Q: What is the difference between Grade 40 and Grade 60 rebar?
A: The primary difference is yield strength. Grade 60 has a minimum yield strength of 60,000 PSI, while Grade 40 is 40,000 PSI. Grade 60 is stronger and is the current industry standard for most structural applications.
Stock & Custom Sizes
Available sizes: #3 (3/8"), #4 (1/2"), #5 (5/8"), #6 (3/4"), and #7 (7/8"). Standard lengths are 20 feet. Custom size available.
Same-day cutting and Los Angeles pickup available.
View Sizes & PricingNeed Hot Rolled Re-Inforcing Bars? Contact Bobco Metals for availability and Los Angeles pickup.
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