Deformed bars Hot Rolled with High Quality and Good Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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Product Description:
OKorder is offering high quality Hot Rolled Rebars at great prices with worldwide shipping. Our supplier is a world-class manufacturer of steel, with our products utilized the world over. OKorder annually supplies products to Africa, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
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..
Label: to be specified by customer, generally, each bundle has 1-2 labels
Product Advantages:
OKorder's Hot Rolled Rebars are durable, strong, and resist corrosion.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Corrosion resistance
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB400 – HRB500
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Grade | Technical data of the original chemical composition (%) | ||||||
C | Mn | Si | S | P | V | ||
HRB400 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
Physical capability | |||||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | |||||
≥400 | ≥570 | ≥14 | |||||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(kg/m) | Weight of 12m bar(kg) |
6 | 28.27 | 0.222 | 2.664 |
8 | 50.27 | 0.395 | 4.74 |
10 | 78.54 | 0.617 | 7.404 |
12 | 113.1 | 0.888 | 10.656 |
14 | 153.9 | 1.21 | 14.52 |
16 | 201.1 | 1.58 | 18.96 |
18 | 254.5 | 2.00 | 24 |
20 | 314.2 | 2.47 | 29.64 |
22 | 380.1 | 2.98 | 35.76 |
25 | 490.9 | 3.85 | 46.2 |
28 | 615.8 | 4.83 | 57.96 |
32 | 804.2 | 6.31 | 75.72 |
36 | 1018 | 7.99 | 98.88 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
FAQ:
Q1: Why buy Materials & Equipment from OKorder.com?
A1: All products offered byOKorder.com are carefully selected from China's most reliable manufacturing enterprises. Through its ISO certifications, OKorder.com adheres to the highest standards and a commitment to supply chain safety and customer satisfaction.
Q2: The products are invoicing on theoritical weight or on actual weight?
A2: We can do it in both manners, according to the customers' request.
Q3: How soon can we receive the product after purchase?
A3: Within three days of placing an order, we will begin production. The specific shipping date is dependent upon international and government factors, but is typically 7 to 10 workdays.
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- Q: Are steel rebars suitable for use in wastewater treatment plants?
- Yes, steel rebars are suitable for use in wastewater treatment plants. Wastewater treatment plants often require reinforced concrete structures to withstand the harsh and corrosive environment of the facility. Steel rebars, which are commonly used to reinforce concrete, provide the necessary strength and durability for these structures. They are resistant to corrosion, which is essential in a wastewater treatment plant where the presence of chemicals and corrosive elements is high. Additionally, steel rebars offer excellent tensile strength, ensuring that the concrete structures can withstand heavy loads and pressures. Overall, steel rebars are a reliable and appropriate choice for use in wastewater treatment plants to ensure the longevity and structural integrity of the facility.
- Q: Can steel rebars be used in foundation systems?
- Yes, steel rebars can be used in foundation systems. Steel rebars are commonly used as reinforcement in concrete foundations to provide additional strength and stability. They help to distribute the load evenly and prevent cracking or failure of the foundation.
- Q: How do steel rebars affect the overall sound insulation of a building?
- Steel rebars do not have a direct impact on the overall sound insulation of a building. The primary purpose of steel rebars in construction is to reinforce concrete structures and provide strength and stability. Sound insulation is primarily influenced by the materials and design of the walls, floors, and ceilings, as well as proper installation of acoustic barriers and insulation materials. While steel rebars can transmit sound to some extent due to their density, their impact on sound insulation is generally negligible compared to other factors. Sound insulation in buildings is achieved by using materials with high sound absorption properties, such as acoustic insulation panels, mineral wool, or soundproofing barriers.
- Q: Why is the price of screw steel affected by iron ore and coal?
- The required material is simple, "billet, iron ore with a small amount of chemical elements", and then through the hot rolling method of refining, during which a large amount of coal is needed, so the price of rebar will be affected by iron ore and coal
- Q: What are the weight and density of steel rebars?
- Steel rebars, also known as reinforcing bars, are commonly utilized in construction to impart tensile strength to concrete structures. The weight and density of steel rebars may differ depending on their size and grade. The weight of a steel rebar is determined by its cross-sectional area and the specific weight of steel, which is roughly 7850 kilograms per cubic meter (or 0.2836 pounds per cubic inch). The cross-sectional area is usually quantified in square millimeters or square inches. For instance, a prevalent size of steel rebar is the #4 bar, possessing a diameter of 12.7 millimeters (or 0.5 inches) and a cross-sectional area of 127 square millimeters (or 0.197 square inches). By employing the specific weight of steel, we can compute the weight of a #4 rebar in the following way: Weight = Cross-sectional area x Specific weight of steel Weight = 127 mm^2 x 7850 kg/m^3 Weight = 998,950 grams or approximately 998.95 kilograms (or 2,201 pounds) Concerning density, the density of steel rebars coincides with the specific weight of steel, which is roughly 7850 kilograms per cubic meter. This density remains relatively consistent across diverse sizes and grades of steel rebars. It is important to acknowledge that the weight and density of steel rebars may slightly fluctuate based on the precise composition and manufacturing process. It is therefore prudent to refer to the manufacturer's specifications or consult engineering references for precise and up-to-date information.
- Q: What are the different methods of joining steel rebars?
- Some different methods of joining steel rebars include overlap splicing, mechanical couplers, welded splices, and threaded splices. These methods ensure a strong and reliable connection between the rebars, which is essential for reinforcing concrete structures.
- Q: What is the process of epoxy-coating steel rebars?
- To achieve a durable and corrosion-resistant coating on steel rebars, several steps are involved in the process of epoxy-coating. Here is a general overview of the process: Firstly, the steel rebars undergo thorough surface preparation to eliminate any rust, oil, or other contaminants. This can be accomplished through techniques such as sandblasting or chemical cleaning. Once the rebars are cleaned, a primer is applied to enhance adhesion between the steel surface and the epoxy coating. Additionally, the primer provides an extra layer of protection against corrosion. After the primer has dried, the epoxy coating is applied to the rebars. This can be done using various methods, including spray application or immersing the rebars in an epoxy tank. Following the application of the epoxy coating, the rebars are left to cure. This controlled process allows the coating to harden and fully bond with the steel surface. The curing time varies depending on the specific epoxy and environmental conditions. Once the rebars have cured, a thorough inspection is conducted to ensure the uniform application of the epoxy coating and that it meets the required specifications. This inspection may involve visual checks, adhesion tests, and measurements of coating thickness. After passing inspection, the epoxy-coated steel rebars are packaged and stored in a controlled environment to protect them from damage or further contamination. It is important to note that the specific process may vary depending on factors such as the manufacturer, project requirements, and the type of epoxy coating used. Following industry standards and guidelines is crucial to ensure the quality and effectiveness of the epoxy-coated steel rebars.
- Q: What are the factors to consider while selecting steel rebars for a construction project?
- There are several factors to consider while selecting steel rebars for a construction project. Firstly, the grade and quality of the steel rebars should be assessed, as this determines their strength and durability. Additionally, the dimensions and shape of the rebars must be compatible with the specific requirements of the construction project. It is also important to consider the corrosion resistance properties of the rebars, as they may be exposed to moisture or harsh environmental conditions. Lastly, the cost and availability of the steel rebars should be taken into account to ensure they fit within the project's budget and timeline.
- Q: Can steel rebars be used in structures with high sulfate content in soil or water?
- In structures that contain high sulfate levels in soil or water, it is not recommended to use steel rebars. The reaction between sulfates and steel, specifically the iron within the steel rebars, can result in corrosion and the weakening of the structure. This phenomenon, commonly referred to as sulfide attack or sulfate attack, has the potential to lead to the deterioration of the rebars and ultimately compromise the overall integrity of the structure. As a result, it is advisable to explore alternative materials such as stainless steel rebars or non-metallic reinforcement options like fiber-reinforced polymers (FRP) in order to ensure the longevity and safety of the structure.
- Q: What is the process of galvanizing steel rebars?
- The process of galvanizing steel rebars involves immersing them in a bath of molten zinc to create a protective coating. This coating helps to prevent corrosion and extends the lifespan of the rebars. The steel rebars are first cleaned and prepared by removing any impurities or mill scale. Then, they are dipped into the zinc bath, where the zinc bonds with the surface of the steel through a metallurgical reaction. Afterward, the rebars are withdrawn from the bath, excess zinc is removed, and they are allowed to cool and solidify. The resulting galvanized rebars are ready to be used in construction projects, providing increased durability and resistance to environmental factors.
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Deformed bars Hot Rolled with High Quality and Good Price
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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