GR40 deformed steel bar bar for construction
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10000 m.t.
- Supply Capability:
- 100000 m.t./month
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Item specifice
OKorder is offering high quality GR40 deformed steel bar bar for construction 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.
Product Applications:
GR40 deformed steel bar bar for construction for construction for construction 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 deformed steel bar 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:
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 | 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 | ||
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 |
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 HR Deformed Steel Rebars of Good Quality: 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 terms: TT payment in advance or Irrevocable LC at sight. Trade terms :FOB, CFR, CIF Delivery Detail: within 45 days after received advanced payment or LC. 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: Can stainless steel rust? A2: Stainless does not "rust" as you think of regular steel rusting with a red oxide on the surface that flakes off. If you see red rust it is probably due to some iron particles that have contaminated the surface of the stainless steel and it is these iron particles that are rusting. Look at the source of the rusting and see if you can remove it from the surface. |
- Q:Can steel rebars be used in renovation or retrofitting projects?
- Yes, steel rebars can be used in renovation or retrofitting projects. Steel rebars are commonly used in construction projects to reinforce concrete structures, providing strength and durability. In renovation or retrofitting projects, where existing structures need to be strengthened or modified, steel rebars can be utilized to enhance the structural integrity and ensure the safety of the building.
- Q:How do steel rebars affect the constructability of projects in environmentally sensitive areas?
- Steel rebars can have a significant impact on the constructability of projects in environmentally sensitive areas. Their use can present challenges in terms of excavation and foundation work, as well as potential disturbance to delicate ecosystems. Additionally, the production and transportation of steel rebars can contribute to carbon emissions and other environmental concerns. Therefore, alternative construction materials or techniques may need to be considered to minimize the environmental impact and ensure sustainable development in these areas.
- Q:What are the common challenges faced during the installation of steel rebars?
- Some common challenges faced during the installation of steel rebars include ensuring proper alignment and spacing, dealing with complex reinforcement designs, ensuring proper placement and anchoring, managing the weight and handling of the rebars, and addressing any site-specific obstacles or restrictions.
- Q:What is the difference between steel rebars and steel mesh?
- Concrete structures in construction projects commonly use steel rebars and steel mesh to reinforce them. However, there are notable distinctions regarding their design and application. Steel rebars, also called reinforcing bars, are lengthy cylindrical steel rods. They are typically employed to provide tensile strength to concrete structures. These rebars are usually arranged in a grid-like pattern within the concrete, preventing cracks and improving the overall structural integrity. Rebars come in various sizes and are used in applications where significant tensile force is anticipated, such as columns, beams, and slabs. On the other hand, steel mesh, also known as wire mesh or welded wire fabric, consists of interconnected steel wires that are welded together to create a grid-like pattern. This mesh is usually produced in large rolls and can be easily cut or bent into the desired shape. Steel mesh primarily offers both tensile and shear strength to concrete structures. It is commonly used in applications where a lower amount of tensile force is expected, like walls, foundations, and pavements. Regarding installation, steel rebars are usually placed and secured within the concrete formwork prior to pouring the concrete. They are positioned at specific locations according to the structural design requirements. Conversely, steel mesh is laid on top of the formwork or within the concrete pour itself, providing reinforcement throughout the entire concrete structure. Both steel rebars and steel mesh possess their own advantages and disadvantages. Rebars provide greater tensile strength and are excellent for applications involving heavy loads or high amounts of force. However, they can be more time-consuming and labor-intensive to install due to the individual placement and tying process. On the other hand, steel mesh offers easier and faster installation due to its continuous form, making it more commonly used in smaller-scale projects or applications with lighter loads. In conclusion, while both steel rebars and steel mesh serve the purpose of reinforcing concrete structures, they differ in terms of design, installation method, and application. The choice between rebars and mesh depends on specific structural requirements, project scale, and load expectations. It is advisable to consult with a structural engineer or construction professional to determine the most suitable reinforcement solution for a particular project.
- Q:What is the role of steel rebars in earthquake-resistant building design?
- The role of steel rebars in earthquake-resistant building design is to provide reinforcement and strength to the structure. Rebars help absorb and distribute the energy generated during an earthquake, reducing the risk of structural failure and damage. They enhance the building's ability to withstand the lateral forces and vibrations caused by seismic activity, making it more resilient and safer for occupants.
- Q:How do steel rebars contribute to the structural stability of a building?
- Steel rebars contribute to the structural stability of a building by providing reinforcement to concrete structures. They increase the tensile strength of concrete, allowing it to withstand bending and stretching forces. This reinforcement helps prevent cracks and failures in the building, making it more resistant to seismic activity, heavy loads, and other external factors that could compromise its stability.
- Q:What are the guidelines for cutting and bending steel rebars on-site?
- The guidelines for cutting and bending steel rebars on-site typically include using appropriate tools such as a rebar cutter and bender, ensuring safety measures such as wearing protective gear, following the required dimensions and angles specified in the construction plans, and using proper techniques to achieve clean and accurate cuts and bends. It is crucial to follow local building codes, manufacturer's instructions, and industry best practices to ensure structural integrity and worker safety.
- Q:Are steel rebars susceptible to creep deformation?
- Yes, steel rebars are susceptible to creep deformation. Creep is a time-dependent deformation that occurs under sustained load, and steel rebars can experience this phenomenon over time. It is essential to consider the potential creep deformation when designing structures that incorporate steel rebars to ensure their long-term stability and performance.
- 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 as reinforcement in concrete structures, including the foundations and structural components of solar power plants. They provide strength, durability, and stability to the construction, ensuring the long-term performance and safety of the solar power plant.
- Q:What are the common problems associated with steel rebars in construction?
- Some common problems associated with steel rebars in construction include corrosion, improper placement or spacing, inadequate cover, poor welding or splicing, and lack of proper anchorage.
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GR40 deformed steel bar bar for construction
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10000 m.t.
- Supply Capability:
- 100000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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