HRB400 Deformed Steel Bar with high quality
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Product Description:
OKorder is offering HRB400 Deformed Steel Bar with high quality 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 European, North American and Asian markets. We provide quotations within 24 hours of receiving an inquiry and guarantee competitive prices.
Standard | GB | HRB400 | |
Diameter | 6mm,8mm,10mm,12mm,14mm,16mm,18mm,20mm, 22mm,25mm,28mm,32mm,36mm,40mm,50mm | ||
Length | 6M, 9M,12M or as required | ||
Place of origin | Hebei, China mainland | ||
Advantages | exact size, regular package, chemical and mechanical properties are stable. | ||
Type | Hot rolled deformed steel bar | ||
Brand name | CNBM | ||
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 |
Note:
1. Our products are produced according to national standard (GB), if not, supply according to national standards (GB) or agreement as customer required.
2. Other Grade and Standard Deformed Steel Bar we can supply:
Grade: GR40/GR60, G460B/B500A/B500B/B500C,BST500S
Standard: ASTM, BS, DIN
The Minimum Order Quantity of these products is high, and need to be confirmed.
3. We can not only supply Deformed Steel Bar; if you need anything about building materials, please contact us for further information.
4. Please send us your detail specifications when inquire. We will reply to you as soon as possible. We sincerely hope we can establish a long stable business relationship.
Product Applications:
HRB400 Deformed Steel Bar with high quality 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 HRB400 Deformed Steel Bar with high quality 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
Product Specifications:
Standard: GB
Material: Q235
Origin place: China
Thickness: 3mm-30mm
Width:20mm-200mm
Length: Max 12m
FAQ:
Q1: What makes stainless steel stainless?
A1: Stainless steel must contain at least 10.5 % chromium. It is this element that reacts with the oxygen in the air to form a complex chrome-oxide surface layer that is invisible but strong enough to prevent further oxygen from "staining" (rusting) the surface. Higher levels of chromium and the addition of other alloying elements such as nickel and molybdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
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: 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.
bdenum enhance this surface layer and improve the corrosion resistance of the stainless material.
Images:
- Q:Can steel rebars be used in nuclear power plants?
- Yes, steel rebars can be used in nuclear power plants. Steel rebars are commonly used in construction projects, including nuclear power plants, to reinforce concrete structures. These rebars provide added strength and stability to the concrete, enhancing its ability to withstand various loads and forces. However, it is important to note that the use of steel rebars in nuclear power plants must comply with specific regulations and standards to ensure the safety and integrity of the plant. These regulations may include requirements for the type of steel used, its composition, and mechanical properties. Additionally, the rebars must undergo rigorous quality control measures to ensure they meet the required standards and are free from any defects that could compromise the structural integrity of the plant. Overall, steel rebars can be safely used in nuclear power plants as long as they meet the necessary regulatory requirements and quality control measures.
- Q:What are the different types of steel rebars used in parking structures?
- There are several different types of steel rebars commonly used in parking structures. These rebars are essential for reinforcing the concrete and providing structural integrity to the building. The specific type of rebar chosen for a parking structure depends on various factors such as the design requirements, load-bearing capacity, and environment in which the structure will be built. 1. Mild Steel Rebars: Mild steel rebars, also known as black rebars, are the most commonly used type of rebar in parking structures. These rebars have a carbon content of about 0.15% to 0.30%, making them highly ductile and easily weldable. They provide excellent tensile strength and are cost-effective, making them suitable for most parking structure applications. 2. High-Strength Rebars: High-strength rebars, also known as deformed rebars, are made from carbon steel and have additional alloying elements like manganese, silicon, and chromium to enhance their strength. These rebars have higher tensile strength compared to mild steel rebars, making them ideal for structures that require increased load-bearing capacity or have larger spans. High-strength rebars are commonly used in multi-level parking structures or areas with heavy traffic loads. 3. Epoxy-Coated Rebars: Epoxy-coated rebars are mild steel rebars coated with a protective layer of epoxy resin. This coating provides corrosion resistance and prevents the rebar from coming into direct contact with the concrete, reducing the risk of rust and subsequent structural damage. Epoxy-coated rebars are commonly used in parking structures located in coastal areas or regions with high humidity levels, where corrosion is a significant concern. 4. Stainless Steel Rebars: Stainless steel rebars are highly corrosion-resistant and are commonly used in parking structures where exposure to aggressive environments is anticipated, such as in parking garages near the sea or areas with high chloride content. These rebars are made from an alloy of steel and chromium, with additional elements like nickel and molybdenum, providing superior resistance to corrosion and ensuring long-term durability. It is worth noting that the selection of the appropriate type of rebar for a parking structure should be done in consultation with a structural engineer or construction professional. They will consider various factors, such as the specific project requirements, local building codes, and environmental conditions, to determine the most suitable type of rebar for the parking structure to ensure its longevity and safety.
- Q:Can steel rebars be used in historical monument conservation?
- Yes, steel rebars can be used in historical monument conservation. Steel rebars are commonly used in the restoration and strengthening of historical structures as they provide structural support and ensure the stability and longevity of the monument. However, it is essential to carefully analyze the impact of their installation on the historical value and authenticity of the monument. The use of steel rebars should be done in a way that minimizes any visual or aesthetic alterations to the monument, while still ensuring its preservation.
- Q:What is the lifespan of steel rebars in concrete structures?
- The lifespan of steel rebars in concrete structures can vary depending on several factors such as the quality of the steel, the environment in which the structure is located, and the level of maintenance. However, with proper design, construction, and maintenance, steel rebars in concrete structures can typically last for several decades to over a century.
- Q:What is the effect of chloride ions on steel rebars?
- The presence of chloride ions in the environment can have a detrimental effect on steel rebars. Chloride ions can penetrate the protective oxide layer on the surface of the steel and react with the iron atoms, leading to the formation of iron chloride compounds. These compounds are highly corrosive and can cause the rebars to rust and eventually weaken. This corrosion process, known as chloride-induced corrosion, can significantly reduce the structural integrity and lifespan of steel rebars, posing a risk to the overall stability of reinforced concrete structures. Therefore, it is crucial to protect steel rebars from chloride exposure through proper design, construction, and maintenance practices to ensure their long-term durability and safety.
- Q:Can steel rebars be used in solar power plant construction?
- Yes, steel rebars can be used in solar power plant construction. Steel rebars are commonly used in the construction industry for reinforcing concrete structures, and solar power plants often require the construction of concrete foundations for the installation of solar panels and other equipment. The use of steel rebars helps to provide structural strength and durability to these concrete foundations, ensuring the stability and longevity of the solar power plant infrastructure. Additionally, steel rebars are resistant to corrosion, which is important in solar power plant construction as they are often exposed to various weather conditions. Overall, steel rebars are a suitable material for reinforcing concrete structures in solar power plant construction.
- Q:Can steel rebars be used in residential construction?
- Yes, steel rebars can be used in residential construction. Steel rebars are commonly used as reinforcement in concrete structures, including residential buildings, to enhance their strength and durability.
- Q:What are the guidelines for handling and installing steel rebars in construction sites?
- The guidelines for handling and installing steel rebars in construction sites typically include the following: 1. Storage: Steel rebars should be stored on a flat and dry surface, preferably on elevated racks to prevent contact with the ground and avoid rusting or damage. 2. Transportation: Rebars should be moved using appropriate lifting equipment, such as cranes or forklifts, to prevent excessive bending or mishandling. 3. Inspection: Rebars should be inspected for any defects, such as bends, cracks, or excessive rust, before installation. Damaged rebars should not be used. 4. Cutting and bending: Rebars should be cut and bent using appropriate tools and equipment, following the specifications and dimensions provided in the construction plans. 5. Placement: Rebars should be placed accurately and securely within the concrete structures, ensuring proper alignment and spacing as per the design requirements. 6. Tying: Rebars should be securely tied together using wire or approved tying methods at the intersections to maintain the desired positions during concrete pouring. 7. Embedment: Rebars should be properly embedded within the concrete to ensure sufficient coverage, typically complying with the minimum concrete cover specified in the design. 8. Safety: Adequate personal protective equipment (PPE), such as gloves and safety boots, should be worn by workers during rebars handling and installation to prevent injuries. It is important to note that specific construction projects and local regulations may have additional guidelines or requirements for handling and installing steel rebars. Therefore, it is crucial to refer to the project specifications and consult with relevant experts or authorities for comprehensive guidelines.
- Q:What is the average weight of a steel rebar?
- The average weight of a steel rebar can vary depending on its size and length. Steel rebars are typically sold in lengths of 20 feet and come in various diameters ranging from 3/8 inch to 1 1/4 inch. To calculate the average weight, we need to consider the density of steel, which is approximately 0.2836 pounds per cubic inch. The weight of a steel rebar can be determined by multiplying its volume (pi times the square of the diameter divided by 4, multiplied by the length) by the density of steel. For example, let's take a 1/2 inch diameter rebar with a length of 20 feet. The calculation would be as follows: 1. Convert the diameter to inches: 1/2 inch = 0.5 inches 2. Calculate the volume: (pi * 0.5^2) / 4 = 0.19635 cubic inches 3. Convert the length to inches: 20 feet = 240 inches 4. Multiply the volume by the length: 0.19635 cubic inches * 240 inches = 47.04 cubic inches 5. Multiply the volume by the density of steel: 47.04 cubic inches * 0.2836 pounds per cubic inch = 13.34 pounds Therefore, the average weight of a 1/2 inch diameter steel rebar with a length of 20 feet is approximately 13.34 pounds.
- Q:What are the guidelines for proper spacing and lapping of steel rebars in concrete structures?
- The guidelines for proper spacing and lapping of steel rebars in concrete structures vary depending on the specific design and structural requirements. However, some general recommendations exist. The rebars should be adequately spaced to ensure proper concrete cover, allowing for corrosion protection and sufficient bond strength. Typically, the minimum spacing between parallel rebars is around 1.5 times the diameter of the larger bar or 25 mm (1 inch), whichever is greater. Lapping, or overlapping, of rebars is necessary to create a continuous load path. The length of the overlap depends on the design and the type of rebar connection being used. It is important to follow the specifications provided by structural engineers and adhere to local building codes to ensure the proper spacing and lapping of rebars in concrete structures.
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HRB400 Deformed Steel Bar with high quality
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or LC
- Min Order Qty:
- -
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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