Hot Rolled Reinforcing Bar
Hot Rolled Reinforcing Bars, commonly referred to as rebar or deformed bars, are a crucial construction material. Their ribbed surface enhances bonding with concrete, significantly improving load-bearing capacity and crack control. Manufactured through a high-temperature rolling process, these bars exhibit excellent ductility, toughness, and strength, making them widely used in building construction, infrastructure projects, tunneling, and bridge reinforcement.
| Division |
Specification |
Symbol |
| Round Bar | JIS G3112 | SR235, SR295 |
| ASTM A615 | Gr.40, Gr.60, Gr.75 | |
| ASTM A706 | Gr.60 | |
| Deformed Bar | JIS G3112 | SD295, SD345, SD390, SD490 |
| ASTM A615 | Gr.40, Gr.60, Gr.75 | |
| ASTM A706 | Gr.60 | |
| BS 4449 | B500A/B/C | |
| AS 4671 | 500N | |
| NZS 4671 | 300E/500E | |
| BS4449: 1997 | 460B | |
| BS4449: 2005 | B500B |
|
Round Bar |
Deformed Bar | |||
| Size | Straight Form | Coil Form | Straight Form | Coil Form |
| 9-103 mm | 13-42 mm | D10-D57 | D13-D36 | |
| Inner Diameter (mm) | - | 950-1000 | - | 950-1000 |
| Outer Diameter (mm) | - | 1250-1350 | - | 1250-1350 |
| Length (m) | 5-14 | - | 6-18 | - |
| Coiling Direction | - | Clockwise | - | Clockwise |
| Surface Protection | Bundling and Cushioning | Securing and Palletizing |
| Hot Rolled Reinforcing Bars are individually wrapped in protective materials, such as plastic film, foam wrap, or kraft paper, to prevent scratches, dust, and surface abrasion during handling and transportation. | Hot Rolled Reinforcing Bars are grouped and bundled using stretch film, strapping, or shrink wrap. Corner guards or padding are often added between bars to prevent movement and impact damage. | The wrapped Hot Rolled Reinforcing Bars are secured in sturdy wooden crates, boxes, or steel-reinforced pallets to ensure structural stability during loading and international transportation. |
The ductility and impact resistance of Hot Rolled Reinforcing Bars enhance the strength and durability of bridge structures while helping reduce cracking. This is especially important for bridge decks, piers, and other structural components that must withstand vehicle loads and thermal expansion.
Hot Rolled Reinforcing Bars are essential components in reinforced concrete structures used in residential, commercial, and industrial buildings. Their high tensile strength and excellent bonding with concrete help enhance structural integrity and load-bearing performance.
Hot Rolled Reinforcing Bars are widely used in ports, docks, and other marine concrete structures to provide reinforcement strength and structural stability for heavy-load infrastructure applications.
Hot Rolled Reinforcing Bars possess exceptional load-bearing capacity and durability. Their excellent bendability allows them to be fabricated into complex reinforcement frameworks that support curved tunnel walls and linings.