GB Standard HRB400, 500 Hot Rolled Deformed Steel Rebars
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 200000 m.t./month
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OKorder is offering GB Standard HRB400, 500 Hot Rolled Deformed Steel 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 African, South American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Product Applications:
GB Standard HRB400, 500 Hot Rolled Deformed Steel Rebars are ideal for structural applications and are widely used in the construction of buildings and bridges, and the manufacturing, petrochemical, and transportation industries.
Product Advantages:
OKorder's GB Standard HRB400, 500 Hot Rolled Deformed Steel Rebars are durable, strong, and wide variety of sizes.
Main Product Features:
· Premium quality
· Prompt delivery & seaworthy packing (30 days after receiving deposit)
· Can be recycled and reused
· Mill test certification
· Professional Service
· Competitive pricing
Product Specifications:
Manufacture: Hot rolled
Grade: HRB400 500etc
Certificates: ISO, SGS, BV, CIQ
Length: 6m – 12m, as per customer request
Packaging: Export packing, nude packing, bundled
Deformed Steel Bar | ||
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) |
6 | 28.27 | 0.222 |
8 | 50.27 | 0.395 |
10 | 78.54 | 0.617 |
12 | 113.1 | 0.888 |
14 | 153.9 | 1.21 |
16 | 201.1 | 1.58 |
18 | 254.5 | 2 |
20 | 314.2 | 2.47 |
22 | 380.1 | 2.98 |
25 | 490.9 | 3.85 |
28 | 615.8 | 4.83 |
32 | 804.2 | 6.31 |
36 | 1018 | 7.99 |
40 | 1257 | 9.87 |
HRB335
Grade | Technical data of the original chemical composition (%) | |||||||
C | Mn | Si | S | P | B | |||
HRB335 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | >0.0008 | ||
Physics capability | ||||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation (%) | ||||||
≥335 | ≥490 | ≥16 | ||||||
HRB400
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 | ||
Physics capability | ||||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation (%) | ||||||
≥400 | ≥570 | ≥14 | ||||||
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: How do we guarantee the quality of our products?
A2: We have established an advanced quality management system which conducts strict quality tests at every step, from raw materials to the final product. At the same time, we provide extensive follow-up service assurances as required.
Q3: what is the difference between actual weight and theoretical weight?
A3: All the section steel has two weights: actual weight and theoretical weight. Actual weight is the weighing out when the product delivered from the mill. Theoretical weight is calculated by pieces. The invoice can be based on each of them as your request.
Images:
- Q:What is the role of steel rebars in preventing concrete spalling?
- The role of steel rebars in preventing concrete spalling is to provide reinforcement and strength to the concrete structure. When concrete is reinforced with steel rebars, it can better resist the forces that cause spalling such as expansion and contraction due to temperature changes, moisture penetration, and structural loads. The rebars help distribute stress and prevent cracking, which in turn reduces the likelihood of spalling occurring.
- Q:Are steel rebars suitable for use in sports stadiums and arenas?
- Steel rebars are indeed suitable for use in sports stadiums and arenas. They are extensively utilized in construction due to their exceptional strength and durability properties. In settings such as sports stadiums and arenas, where there is a convergence of large crowds, heavy loads, and utmost concern for safety, steel rebars play a vital role in fortifying the structure. They possess the capacity to endure high tensile forces and prevent bending, making them an ideal choice for reinforcing concrete structures within stadiums and arenas. Moreover, steel rebars exhibit a high resistance to fire, which is of utmost importance in these sprawling public spaces. All in all, steel rebars are a dependable and well-established option for reinforcing sports stadiums and arenas, as they effectively provide the necessary support and meet safety requirements.
- Q:What is the role of steel rebars in preventing structural failures?
- The role of steel rebars in preventing structural failures is to provide reinforcement and strength to concrete structures. By adding steel rebars to concrete, the composite material becomes more resistant to tension and bending forces. This helps to distribute and control the stress in the structure, preventing cracks and failure points from developing. The rebars also enhance the overall durability and longevity of the structure, ensuring its stability and safety over time.
- Q:Can steel rebars be used in bridge construction projects?
- Yes, steel rebars can be used in bridge construction projects. Steel rebars are commonly used as reinforcement in concrete structures, including bridges. They provide strength and stability to the bridge, enhancing its load-bearing capacity and resistance to various forces such as tension, compression, and bending. Steel rebars are highly durable and can withstand harsh environmental conditions, making them an ideal choice for bridge construction where longevity and structural integrity are crucial. Additionally, steel rebars can be easily shaped and bent to suit the specific design requirements of the bridge, allowing for flexible and efficient construction. Overall, steel rebars are widely accepted and commonly used in bridge construction projects due to their excellent mechanical properties and reliability.
- Q:What are the advantages of using steel rebars over other materials?
- There are several advantages of using steel rebars over other materials. Firstly, steel rebars have high tensile strength, which makes them ideal for reinforcing concrete structures and withstanding heavy loads. Secondly, steel rebars have excellent durability and can resist corrosion and weathering, ensuring the longevity of the reinforced structure. Additionally, steel rebars provide flexibility in design as they can be easily shaped and bent into various configurations to meet specific project requirements. Lastly, steel rebars are widely available and cost-effective, making them a preferred choice for construction projects worldwide.
- Q:Can steel rebars be used in precast concrete?
- Indeed, precast concrete can make use of steel rebars. It entails fabricating concrete components away from the construction site and subsequently transferring them for installation. Generally, steel rebars are incorporated into precast concrete elements to furnish reinforcement and bolster the strength and resilience of the concrete structure. During the manufacturing process, these rebars are typically embedded inside the precast concrete elements, guaranteeing a cohesive interaction between the concrete and steel to counteract tensile forces and forestall cracks or structural failure. This amalgamation of steel rebars and precast concrete yields robust, dependable, and efficient construction elements that can be easily erected on-site.
- Q:What is the international standard for steel rebars?
- The international standard for steel rebars is ISO 6935-2:2015, which specifies the requirements and test methods for reinforcing steel bars used in concrete structures.
- Q:How are steel rebars protected against chemical attacks?
- Steel rebars are protected against chemical attacks through a process called corrosion protection. This involves using various techniques and materials to prevent the rebar from coming into contact with corrosive substances that can cause chemical attacks. One common method of protection is the use of protective coatings. This involves applying a layer of material, such as epoxy or zinc, onto the surface of the rebar. These coatings act as a barrier, preventing corrosive substances from reaching the steel surface. Additionally, these coatings can provide an extra layer of protection against moisture and other environmental factors that can contribute to corrosion. Another method of protection is the use of corrosion inhibitors. These are chemicals that can be added to the concrete mix or applied directly to the rebar. Corrosion inhibitors work by forming a protective layer on the surface of the steel, which inhibits the process of corrosion. These inhibitors can be organic or inorganic compounds and are designed to target specific types of corrosion mechanisms. In some cases, stainless steel rebars are used as a measure of protection against chemical attacks. Stainless steel has a higher resistance to corrosion compared to regular steel rebars. This is due to the presence of chromium, which forms a passive layer on the surface of the steel, protecting it from chemical reactions. Stainless steel rebars are often used in highly corrosive environments, such as marine structures or wastewater treatment plants. Regular maintenance and inspection are also crucial in protecting steel rebars against chemical attacks. Any signs of damage or corrosion should be addressed promptly. Regular cleaning and removal of any corrosive substances that accumulate on the rebars can also help prevent chemical attacks. Overall, a combination of protective coatings, corrosion inhibitors, stainless steel rebars, and regular maintenance is essential in protecting steel rebars against chemical attacks. These measures help to extend the lifespan of the rebars and ensure the structural integrity of concrete structures.
- Q:Can steel rebars be used in the construction of sports stadiums or arenas?
- Yes, steel rebars can be used in the construction of sports stadiums or arenas. Steel rebars are a commonly used reinforcement material in concrete structures, including stadiums and arenas. They provide strength, durability, and structural integrity to the concrete, making them suitable for the demanding requirements of sports facilities.
- Q:How are steel rebars marked for identification on construction sites?
- Steel rebars are typically marked with a series of symbols, numbers, and colors to identify their size, grade, and other specifications. These markings are usually either painted or embossed on the surface of the rebars, making it easier for construction workers to identify and use them correctly during the construction process.
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GB Standard HRB400, 500 Hot Rolled Deformed Steel Rebars
- Ref Price:
-
- Loading Port:
- Shanghai
- Payment Terms:
- TT or LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 200000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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