Hot rolled 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
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Specification
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
Specifications of Deformed Steel Bar ASTM A615 GR40 GR60 with High Quality:
Standard | GB | HRB335, HRB400, HRB500 | |
UK | G460B, B500A, B500B,B500C | ||
USA | GR40, GR60 | ||
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 | ||
Application | building,construction,road,bridge etc | ||
Brand name | DRAGON | ||
Theoretical weight and section area of each diameter as below for your information:
Diameter(mm) | Section area (mm²) | Mass(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 | 2.00 |
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 |
50 | 1964 | 15.42 |
Usage and Applications of Deformed Steel Bar ASTM A615 GR40 GR60 with High Quality:
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..
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 HRB400 Deformed Steel Bar:
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 term: TT or L/C
Delivery Detail: within 45 days after received advanced payment or LC.
Label: to be specified by customer, generally, each bundle has 1-2 labels
Trade terms: FOB, CFR, CIF
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: What makes stainless steel stainless?
A2: 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.
- Q:How do steel rebars prevent cracks and structural failures?
- Steel rebars prevent cracks and structural failures by providing reinforcement and enhancing the strength of concrete. When embedded in concrete, rebars act as a framework that helps distribute the load evenly, reducing stress concentrations and preventing the formation of cracks. This reinforcement ensures that the concrete structure can withstand external forces, such as heavy loads or seismic activity, thereby minimizing the risk of structural failures.
- Q:How do steel rebars contribute to the overall ductility of a structure?
- Steel rebars contribute to the overall ductility of a structure by providing reinforcement and enhancing its ability to withstand deformations and absorb energy without failure. The addition of rebars in concrete structures improves its tensile strength, as concrete alone is weak in tension. This combination allows the structure to flex and bend under loading, reducing the risk of brittle failure and increasing its overall resilience.
- Q:What are the safety precautions when handling steel rebars?
- When handling steel rebars, there are several safety precautions that should be followed to minimize the risk of accidents or injuries. These precautions include: 1. Personal Protective Equipment (PPE): It is essential to wear the appropriate PPE when handling steel rebars. This includes steel-toe boots, gloves, safety glasses, and a hard hat. PPE will protect against potential hazards such as falling rebars or flying debris. 2. Lifting and Carrying Techniques: Steel rebars can be heavy and difficult to handle. It is important to use proper lifting techniques to avoid strain or injury. Bend at the knees, not the waist, and use the leg muscles to lift the rebar. It is also crucial to avoid overexertion and ask for assistance when handling heavy rebars. 3. Proper Storage: Steel rebars should be stored in a secure and organized manner to prevent them from falling or rolling. Rebars should be stacked flat and not leaning against walls or other structures. Additionally, rebars should be stored away from high traffic areas to avoid accidental collisions. 4. Sharp Edges: Steel rebars have sharp edges that can cause cuts or puncture wounds. It is important to handle rebars with caution and wear gloves to protect the hands. Additionally, rebars should be stored and transported in a way that minimizes the risk of coming into contact with sharp edges. 5. Communication and Warning Signs: When working with steel rebars, it is important to communicate with coworkers and warn them of any potential hazards or activities involving rebars. Clear signage should be posted in work areas to alert others to the presence of rebars and the need for caution. 6. Training and Supervision: Workers should receive proper training on the safe handling and storage of steel rebars. Supervisors should closely monitor work areas to ensure that safety protocols are being followed and provide guidance or corrective action as needed. By following these safety precautions, the risk of accidents or injuries when handling steel rebars can be significantly reduced. It is important to prioritize safety at all times to create a secure working environment.
- Q:Can steel rebars be used in dams and reservoirs construction?
- Yes, steel rebars can be used in dams and reservoirs construction. Steel rebars provide the necessary strength and reinforcement to withstand the immense pressure and load exerted by water in such structures.
- Q:How do steel rebars affect the overall crack resistance of concrete structures?
- The crack resistance of concrete structures is greatly improved by steel rebars, which have a crucial role to play. When embedded in concrete, rebars provide reinforcement and boost the tensile strength of the structure. While concrete is naturally strong in compression, it is weak in tension, and rebars help overcome this weakness by absorbing the tensile forces that may result in cracks. The inclusion of rebars in concrete structures allows for stress redistribution, thereby preventing cracks from spreading. As concrete shrinks or experiences external loads, rebars act as a reinforcement grid, effectively resisting the formation and expansion of cracks. By absorbing and dispersing the tensile stresses, rebars ensure that the concrete remains intact and can withstand heavier loads without significant cracking. Furthermore, steel rebars contribute to the overall durability of concrete structures. When rebars corrode due to exposure to moisture or other environmental factors, they can increase in volume, resulting in internal pressure and potential cracking of the concrete. However, the use of corrosion-resistant rebars, such as epoxy-coated or stainless steel rebars, can greatly reduce this risk and enhance the crack resistance of the structure. To summarize, steel rebars enhance the crack resistance of concrete structures by providing reinforcement, increasing tensile strength, redistributing stress, and preventing crack propagation. Their presence guarantees that the structure can withstand various types of loads and environmental conditions, ultimately improving the strength and durability of the concrete.
- Q:What are the advantages of using ribbed steel rebars?
- Using ribbed steel rebars in construction projects offers several advantages. To begin with, the ribbed design of these rebars enhances the bonding with concrete. The presence of ribs increases the contact surface area between the rebar and the surrounding concrete, resulting in improved adhesion and prevention of slippage. This ultimately leads to a stronger bond, ensuring the structural integrity of the reinforced concrete. Secondly, ribbed steel rebars provide enhanced resistance against shear forces. The ribs act as anchor points within the concrete, evenly distributing the load and reducing the risk of failure due to shear stress. This makes ribbed rebars particularly suitable for applications that experience high shear forces, such as beams and columns. Additionally, the ribbed pattern of these rebars improves their ductility. Ductility refers to a material's ability to undergo deformation without breaking. The presence of ribs allows the steel rebar to stretch and bend without fracturing, making it more resistant to cracking or failure under stress. This is particularly crucial in earthquake-prone areas, where a structure's ability to absorb and dissipate energy is vital for its survival. Furthermore, ribbed steel rebars demonstrate excellent corrosion resistance. The ribs act as a barrier, effectively preventing moisture and corrosive agents from reaching the steel core. This significantly prolongs the lifespan of the rebar, reducing maintenance costs and ensuring the long-term durability of the reinforced concrete structure. Lastly, ribbed steel rebars are readily available and cost-effective. They come in various sizes and lengths, allowing for easy customization to meet different construction needs. Additionally, due to their popularity and widespread use, ribbed rebars are competitively priced, making them a cost-effective option for reinforcing concrete structures. In conclusion, the use of ribbed steel rebars offers multiple benefits, including enhanced bonding with concrete, improved resistance to shear forces, greater ductility, excellent corrosion resistance, and cost-effectiveness. These advantages make ribbed rebars an ideal choice for reinforcing concrete structures, guaranteeing strength, durability, and longevity in construction projects.
- Q:What is the role of steel rebars in minimizing creep deformation in concrete?
- The reduction of creep deformation in concrete structures is greatly influenced by steel rebars. Creep deformation refers to the gradual and permanent deformation that occurs in concrete over time when subjected to sustained loads. This can result in structural instability and compromise the concrete's overall integrity. Steel rebars, also known as reinforcement bars, are integrated into the concrete matrix to enhance its strength and stiffness. These rebars effectively counteract the tensile forces exerted on the concrete, as concrete is weak in tension but strong in compression. By resisting these tensile stresses, the rebars prevent the concrete from cracking and experiencing excessive creep deformation. Moreover, the inclusion of steel rebars in concrete enhances the structure's load-carrying capacity, enabling it to bear heavier loads without excessive deformation. This is achieved by evenly distributing the applied load throughout the concrete, thereby reducing localized stress concentrations and minimizing the potential for creep deformation. Additionally, steel rebars serve as a restraining element, limiting the movement of the concrete and reducing the likelihood of creep. The high modulus of elasticity and low thermal expansion coefficient of steel make it an ideal material for reinforcing concrete and restraining its creep behavior. In conclusion, the role of steel rebars in minimizing creep deformation in concrete is multifaceted. They provide additional strength and stiffness to counteract tensile forces, improve load-carrying capacity, and act as a restraining element. All of these factors contribute to maintaining the structural integrity of the concrete over time.
- Q:Are steel rebars suitable for use in road construction?
- Certainly, steel rebars prove to be a suitable choice for road construction. These reinforcing bars, widely recognized as steel rebars, find common application in road construction endeavors owing to their exceptional strength and durability. By reinforcing concrete and improving the road's structural integrity, they enable it to endure heavy loads and traffic for extended periods. Steel rebars exhibit remarkable resistance to corrosion and boast a high tensile strength, enabling them to effectively absorb and distribute the stress and strain generated by vehicles traversing the road's surface. Furthermore, steel rebars offer flexibility and prevent concrete from cracking, rendering them an indispensable element in road construction, ensuring the creation of long-lasting and secure roads.
- Q:What is the role of steel rebars in ensuring structural stability?
- Steel rebars play a crucial role in ensuring structural stability in various construction projects. These reinforced bars are primarily used to strengthen concrete structures, such as buildings, bridges, and highways, by providing additional tensile strength. Concrete is a highly versatile material that can withstand compressive forces effectively. However, it has limited resistance to tensile forces. This is where steel rebars come into play. By reinforcing concrete with steel rebars, the resulting composite material can effectively resist both compressive and tensile forces, enhancing its overall structural stability. When subjected to loads, such as the weight of the structure or external forces like wind or seismic activity, the concrete experiences tensile stresses. Without reinforcement, these tensile stresses can cause cracks and ultimately lead to structural failure. Steel rebars, being highly ductile and strong in tension, can absorb and distribute these tensile forces throughout the structure. The placement and arrangement of steel rebars are carefully designed to ensure optimal reinforcement. They are typically embedded within the concrete in a grid-like pattern, forming a reinforced concrete matrix. This matrix strengthens the structure and prevents cracks from propagating, effectively increasing its load-bearing capacity and durability. Moreover, steel rebars also play a vital role in maintaining the structural integrity of concrete structures over time. They help combat the effects of shrinkage, expansion, and temperature fluctuations that can cause cracking. By providing a strong and flexible reinforcement system, steel rebars minimize the risks of structural damage and ensure the long-term stability of the construction. Overall, the role of steel rebars in ensuring structural stability can be summarized as follows: they increase the tensile strength of concrete, prevent cracks and structural failure, enhance load-bearing capacity, and promote long-term durability. By reinforcing concrete structures with steel rebars, engineers can create resilient and safe constructions that can withstand various forces and maintain their integrity for decades.
- Q:What is the resistance of steel rebars against acid attacks?
- Due to the protective layer of rust that forms on their surface, steel rebars exhibit a high resistance to acid attacks. This layer, commonly known as iron oxide, acts as a barrier, effectively preventing direct contact and corrosion between the steel and the acid. Furthermore, the steel rebars' resistance to acid attacks is enhanced by their high carbon content, which results in the formation of a protective film that provides additional shielding from acid damage. However, it is important to bear in mind that extended exposure to highly concentrated or corrosive acids may still cause some degree of corrosion, although at a slower pace compared to other metals. Therefore, it is recommended to carefully choose the appropriate grade of steel rebar and implement supplementary protective measures, such as coatings or concrete coverings, in order to ensure optimal resistance against acid attacks in specific applications.
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Hot rolled 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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