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:How are steel rebars tested for quality and compliance with standards?
- Steel rebars are tested for quality and compliance with standards through various methods. These include visual inspections, dimensional checks, and mechanical tests. Visual inspections involve examining the rebars for any surface defects, such as cracks or deformations. Dimensional checks ensure that the rebars meet the required size, length, and shape specifications. Mechanical tests are conducted to assess the rebars' tensile strength, yield strength, elongation, and other mechanical properties. These tests involve subjecting the rebars to tension or bending to determine their ability to withstand loads and deformations. Compliance with standards is ensured by conducting these tests in accordance with established protocols and guidelines set by relevant regulatory bodies or organizations.
- Q:What is the difference between epoxy-coated and galvanized steel rebars?
- Epoxy-coated steel rebars are reinforced steel bars that have been coated with an epoxy layer for added protection against corrosion. This coating acts as a barrier to prevent moisture and chemicals from reaching the steel, thereby extending its lifespan. On the other hand, galvanized steel rebars are steel bars that have been coated with a layer of zinc to prevent corrosion. The zinc coating acts as a sacrificial layer that corrodes instead of the steel, thereby protecting it from rust. The main difference between the two is the type of coating used, with epoxy providing more resistance to chemical corrosion, while galvanized coating offers better protection against atmospheric corrosion.
- Q:How do steel rebars prevent concrete structures from cracking under load?
- Steel rebars prevent concrete structures from cracking under load by providing reinforcement and increasing the tensile strength of the concrete. When the concrete is subjected to tensile forces, such as those caused by the weight or movement of the structure, it is prone to cracking. However, the inclusion of steel rebars within the concrete helps to distribute these tensile forces throughout the structure, making it more resistant to cracking. The steel rebars act as a framework, absorbing and dispersing the tension, thereby enhancing the overall structural integrity and preventing cracks from forming.
- Q:What is the process of cutting steel rebars on-site?
- The process of cutting steel rebars on-site involves several steps to ensure accurate and precise cuts. Here is a general outline of the process: 1. Measurement and Marking: First, the length required for the steel rebar is measured using a tape measure or other measuring tools. Once the desired length is determined, it is marked on the rebar using a chalk line or a permanent marker. 2. Safety Measures: Before proceeding with the cutting process, it is crucial to ensure safety. Workers should wear appropriate personal protective equipment (PPE), including gloves, safety glasses, and steel-toe boots. Additionally, the work area should be clear of any obstructions or hazards. 3. Set Up the Cutting Tools: There are various tools available for cutting steel rebars on-site, such as an angle grinder with a cutting disc, a reciprocating saw with a metal-cutting blade, or a rebar cutter. The chosen tool should be set up and secured according to the manufacturer's instructions. 4. Cutting the Rebar: Once the cutting tool is ready, the marked section of the rebar is positioned securely on a stable surface. The cutting tool is then carefully guided along the marked line, applying consistent pressure to achieve a clean and precise cut. It is essential to maintain control of the cutting tool throughout the process to avoid any accidents. 5. Inspecting the Cut: After the cut is made, it is important to inspect the quality of the cut. The cut end should be smooth and free from any burrs or rough edges. If necessary, a file or a grinding tool can be used to smooth out any imperfections. 6. Handling and Disposing: Once the steel rebar is cut to the desired length, it can be safely handled and used for its intended purpose. Any leftover pieces or scraps should be appropriately disposed of, following local regulations for metal waste disposal. It is crucial to note that the exact process and tools used for cutting steel rebars on-site may vary depending on the specific requirements, available equipment, and safety protocols of the construction site. It is always recommended to follow the manufacturer's instructions and consult with professionals when carrying out such tasks.
- Q:How do steel rebars contribute to the overall seismic performance of a building?
- Steel rebars contribute to the overall seismic performance of a building by providing reinforcement and strength to the structure. They help resist the forces generated during an earthquake by increasing the ductility and tensile strength of the concrete. This reinforcement prevents the building from collapsing or suffering severe damage during seismic events, making it more resistant to lateral and vertical movements caused by ground shaking.
- Q:What are the factors to consider while designing a reinforced concrete structure with steel rebars?
- To ensure the strength, durability, and safety of a reinforced concrete structure with steel rebars, careful consideration of various factors is required. The following are key factors to consider: 1. Structural Requirements: The initial step involves determining the structure's specific purpose and load-bearing capacity. This entails considering its intended use, maximum load, and potential dynamic loads like wind or earthquakes. 2. Material Selection: Choosing the correct type and grade of concrete and steel rebars is crucial. The concrete mix should possess sufficient strength, workability, and durability to withstand anticipated conditions. Similarly, the rebars should have adequate yield strength and corrosion resistance to maintain structural integrity over time. 3. Reinforcement Layout: The design should include an appropriate arrangement and spacing of rebars to evenly distribute the load and prevent cracking or structural failure. This requires determining the size, quantity, and arrangement of rebars based on calculated forces and bending moments. 4. Concrete Cover: The concrete cover refers to the thickness of concrete surrounding the rebars. Providing sufficient cover is essential to protect the rebars from corrosion, fire, and environmental factors. The cover thickness should be determined based on exposure conditions and required durability. 5. Bonding between Concrete and Rebars: Ensuring proper bonding between the concrete and rebars is vital for effective force transfer. The design should consider factors such as mechanical interlocking, chemical adhesion, and surface treatment to establish a strong bond and prevent slippage or separation. 6. Construction Considerations: The design should account for practical construction aspects such as formwork, concrete placement, and compaction. It should also incorporate appropriate detailing for construction joints, lap splices, and rebar anchorage to ensure proper installation and ease of construction. 7. Serviceability and Durability: The design should address serviceability requirements like deflection limits, cracking control, and long-term performance. Additionally, factors impacting durability, such as moisture exposure, chemical exposure, temperature variations, and the potential for corrosion, should be considered. 8. Quality Control and Inspection: Implementing quality control measures, including material testing, construction monitoring, and completed work inspection, is crucial to ensure the design requirements are met. Regular inspections and adherence to construction standards and codes are essential for the overall integrity and safety of the structure. By considering these factors and adhering to appropriate design codes and standards, a reinforced concrete structure with steel rebars can be designed to provide the desired strength, durability, and safety throughout its lifespan.
- Q:What are the different types of steel used in the production of rebars?
- There are typically three types of steel used in the production of rebars: carbon steel, low-alloy steel, and stainless steel. Carbon steel rebars are the most commonly used and have a high tensile strength. Low-alloy steel rebars contain additional elements like chromium, nickel, or molybdenum for enhanced strength and durability. Stainless steel rebars are corrosion-resistant and often used in environments with high exposure to moisture or chemicals.
- Q:Can steel rebars be used in cold weather construction?
- Yes, steel rebars can be used in cold weather construction. Steel is a durable and strong material that can withstand low temperatures. However, precautions should be taken to prevent the rebars from freezing or getting damaged due to extreme cold. Special measures like heating, insulation, or using anti-freeze admixtures can be implemented to ensure the proper functioning of steel rebars in cold weather construction.
- Q:Can steel rebars be used in the construction of nuclear power plants?
- Yes, steel rebars can be used in the construction of nuclear power plants. Steel rebars are commonly used as reinforcement in concrete structures, and they provide strength and durability to the overall construction. However, specific regulations and standards must be followed to ensure the quality and safety of the rebars used in nuclear power plant construction, considering the critical nature of these facilities.
- Q:How are steel rebars affected by extreme weather conditions?
- Steel rebars are generally resistant to extreme weather conditions. However, prolonged exposure to harsh weather conditions such as extreme heat or cold, high humidity, and corrosive environments can lead to the formation of rust and corrosion on the surface of rebars. This can weaken their structural integrity and potentially compromise the strength and durability of the concrete structures they are embedded in. Hence, it is crucial to protect rebars with appropriate coatings or by implementing proper maintenance and inspection practices to prevent any adverse effects caused by extreme weather conditions.
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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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