GR40 deformed steel bar for construction made in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
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Usage and Applications of Deformed Steel Bar:
Deformed bar is widely used in buildings, bridges, roads and other engineering construction. Big to highways, railways, bridges, culverts, tunnels, public facilities such as flood control, dam, small to housing construction, beam, column, wall and the foundation of the plate, deformed bar is an integral structure material. With the development of world economy and the vigorous development of infrastructure construction, real estate, the demand for deformed bar will be larger and larger..
Packaging & Delivery of Deformed Steel Bar:
Packaging Detail: products are packed in bundle and then shipped by container or bulk vessel, deformed bar is usually naked strapping delivery, when storing, please pay attention to moisture proof. The performance of rust will produce adverse effect.
Each bundle weight: 2-3MT, or as required
Payment term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
Specifications of HRB500 Deformed Steel Bar:
Standard | GB | HRB500 |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | |
Length | 6M, 9M,12M or as required | |
Payment term | TT or L/C | |
Application | mainly used in construction industry to reinforce concrete structures and so on | |
Quality | First quality, the goods are from Chinese big manufacturers. | |
Type | Hot rolled deformed steel bar | |
Brand name | DRAGON | |
Chemical Composition: (Please kindly find our chemistry of our material based on HRB500 as below for your information)
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB500 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.08-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥500 | ≥630 | ≥12 | |||||
- Q: Can steel rebars be used in structures with high resistance to thermal expansion?
- Yes, steel rebars can be used in structures with high resistance to thermal expansion. Steel has a relatively low coefficient of thermal expansion, meaning it expands and contracts less than other materials when exposed to temperature changes. This makes steel rebars suitable for use in structures where thermal expansion and contraction need to be minimized, such as bridges, high-rise buildings, and industrial facilities. Steel rebars provide strength and reinforcement to the concrete structure, helping it resist the forces generated by thermal expansion. Additionally, steel rebars have good bonding properties with concrete, ensuring effective load transfer and structural integrity even in high-temperature environments.
- Q: Can steel rebars be used in foundation structures?
- Yes, steel rebars can be used in foundation structures. In fact, they are commonly used in reinforced concrete foundations to increase the strength and durability of the structure. Steel rebars provide reinforcement to the concrete by enhancing its tensile strength, which is particularly important in areas where the foundation might be subjected to heavy loads or seismic activity. The rebars are typically placed in a grid pattern within the concrete to distribute the load and prevent cracking or failure. Overall, steel rebars are an essential component in foundation structures to ensure their stability and longevity.
- Q: What is the role of steel rebars in minimizing the risk of progressive collapse?
- Steel rebars play a critical role in minimizing the risk of progressive collapse by providing structural reinforcement and enhancing the load-bearing capacity of a building or structure. They are embedded within concrete elements such as beams, columns, and slabs, creating a composite structure that can resist higher loads and distribute them evenly. In the event of a localized failure or an unexpected load, rebars help prevent the collapse from propagating further by transferring the load to other intact elements, thereby preventing a catastrophic failure. Overall, steel rebars contribute to the structural integrity and resilience of a building, reducing the risk of progressive collapse.
- Q: The difference between rebar and crescent
- The thread and Crescent are 45 degrees diagonally raised, the thread is straight, crescent shaped arc, like a watermelon rind.
- Q: Are steel rebars suitable for reinforcement in airport runways?
- Yes, steel rebars are suitable for reinforcement in airport runways. They provide excellent strength, durability, and resistance to heavy loads and impacts, making them an ideal choice for ensuring the structural integrity and safety of airport runways.
- Q: How do steel rebars prevent concrete structures from spalling?
- Steel rebars prevent concrete structures from spalling by providing reinforcement and increasing the overall strength of the concrete. Spalling refers to the cracking and breaking off of the concrete surface, usually due to the expansion of internal pressure from various external factors such as temperature changes, moisture, or structural loads. When steel rebars are embedded within the concrete, they act as a support system that helps distribute the applied loads more evenly throughout the structure. This reinforcement prevents localized stress concentrations, which can lead to spalling, by absorbing and dissipating the load. By reinforcing the concrete, rebars enhance its tensile strength and improve its ability to withstand external forces. Moreover, steel rebars also help to control the formation of cracks in the concrete. As concrete is a brittle material with low tensile strength, it is prone to cracking under stress. However, the presence of rebars inhibits the propagation of cracks by bridging them and transferring the stress to the surrounding concrete. This prevents the cracks from spreading and ultimately leads to a more durable and resilient structure. Additionally, steel rebars provide protection against corrosion. Concrete is naturally alkaline, which creates a protective layer on the steel surface, preventing it from rusting. This alkaline environment acts as a barrier against corrosion, ensuring the rebars maintain their structural integrity over time. By avoiding corrosion, the rebars can continue to provide reinforcement and prevent spalling in the concrete structure. In summary, steel rebars play a crucial role in preventing spalling in concrete structures by providing reinforcement, improving tensile strength, controlling crack formation, and protecting against corrosion. By enhancing the overall stability and durability of the concrete, rebars ensure that the structure can withstand various external pressures and maintain its integrity for an extended period.
- Q: Are there any environmental benefits to using steel rebars?
- Yes, there are several environmental benefits to using steel rebars in construction. Here are some of the key advantages: 1. Recyclability: Steel rebars are highly recyclable, meaning they can be reused or repurposed after their lifespan in a structure ends. This reduces the demand for new steel production and the associated energy consumption and greenhouse gas emissions. In fact, steel is one of the most recycled materials globally, with a recycling rate of around 90%. 2. Durability: Steel rebars are known for their strength and durability, which allows structures to last longer. This reduces the need for frequent replacements or repairs, resulting in less waste generation and the conservation of resources. 3. Energy efficiency: Steel production has become increasingly energy-efficient over the years, with advancements in technology and processes. This means that the environmental impact of steel production has been decreasing, making it a more sustainable choice compared to other materials. 4. Reduced deforestation: Steel rebars offer an alternative to timber reinforcement, which is often sourced from deforestation practices. By using steel rebars instead, we can help reduce the pressure on forests and protect their valuable ecosystem services. 5. Reduced waste: Steel rebars can be prefabricated and cut to specific lengths, minimizing waste on construction sites. Additionally, the scrap generated during the fabrication process can be recycled, further reducing waste generation. Overall, using steel rebars in construction offers various environmental benefits, including recyclability, durability, energy efficiency, reduced deforestation, and waste reduction. These advantages contribute to a more sustainable and environmentally-friendly construction industry.
- Q: What are the different coating options available for steel rebars?
- There are several different coating options available for steel rebars, including epoxy coatings, zinc coatings, and galvanized coatings. Epoxy coatings provide a protective layer that helps prevent corrosion and increase the lifespan of the rebar. Zinc coatings, such as hot-dip galvanizing, provide excellent corrosion resistance by creating a barrier between the steel and the environment. Galvanized coatings involve the application of a layer of zinc to the rebar, offering enhanced protection against rust and corrosion. These coating options can be chosen based on the specific needs and requirements of the project or application.
- Q: Can steel rebars be used in decorative or artistic applications?
- Yes, steel rebars can be used in decorative or artistic applications. They can be shaped, welded, and bent to create unique and visually appealing designs. Steel rebars can be used in sculptures, furniture, architectural features, and other artistic projects, adding a modern and industrial touch to the overall aesthetic.
- Q: Are there any standards or codes for steel rebars?
- Yes, there are various standards and codes that govern the manufacturing, testing, and use of steel rebars. These standards typically include specifications for the chemical composition, mechanical properties, dimensions, and tolerances of rebars. Some commonly recognized standards and codes for steel rebars include ASTM A615/A615M, ASTM A706/A706M, and BS 4449. Compliance with these standards ensures the quality and safety of steel rebars used in construction projects.
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GR40 deformed steel bar for construction made in China
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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