55QHG deformed steel 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 55QHG deformed steel 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:
55QHG deformed steel bar 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 |
1.Diameter:6mm-32mm
2.Material:BS4449 Grade 460B,ASTM A615 GR60
3.Length:6-12meters
1. Length: 6m-12m as standard.
2. Reputation first, best competitive price, high quality, quotes price promptly and confirm the delivery on time!
3. Application : Used for housing construction.
4. PRICE: Keep lower operating costs so as to offer competitive price for our clients.
5. Minimum Order Quantity: 300 MTS as per size.
6. Invoicing: Actual or Theoretical Weight Basis as buyer’s request.
7. Payment terms: TT payment in advance or irrevocable LC at sight.
8. Delivery time: 25-30 days after we receive your TT payment at sight
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.
- Q: Are there any environmental concerns related to steel rebars?
- Yes, there are some environmental concerns related to steel rebars. The production of steel rebars involves the extraction of iron ore, which can lead to habitat destruction and deforestation. The manufacturing process also requires a significant amount of energy, contributing to greenhouse gas emissions. Additionally, steel rebars are typically coated with epoxy or other materials that contain harmful chemicals, posing risks to both human health and the environment during their production and use. Proper disposal and recycling of steel rebars are also important to minimize their environmental impact.
- Q: What is the effect of welding on the properties of steel rebars?
- The properties of steel rebars can be affected by welding in various ways. Firstly, the application of heat during welding can result in localized changes to the microstructure of the material. This, in turn, can lead to alterations in the rebars' mechanical properties, such as hardness and strength. The heat-affected zone near the weld may undergo changes in grain structure, potentially impacting the rebars' ability to withstand tension, compression, or bending forces. Secondly, welding can introduce residual stresses into the rebars due to the expansion and contraction of the material during the heating and cooling phases of the welding process. These residual stresses can potentially impact the rebars' performance under load, making them more prone to cracking or failure. Moreover, improper welding techniques can introduce defects like porosity, inclusions, or lack of fusion. These defects can weaken the rebars, reducing their load-bearing capacity. Additionally, the presence of welding consumables and fluxes can introduce impurities into the rebars, which may compromise their corrosion resistance. In summary, although welding can be an effective means of joining steel rebars, it is essential to consider its potential effects on their properties. To minimize these effects and ensure that the rebars maintain their desired mechanical and structural properties, it is crucial to employ proper welding techniques, such as preheating, controlling heat input, and post-weld heat treatment. Regular inspections and testing of welded rebars are also necessary to guarantee the integrity and safety of the overall structure.
- Q: What are the different types of steel rebars available for different applications?
- For various applications, there is a wide range of steel rebars available. Some of the commonly used types are as follows: 1. Mild Steel Rebars: These rebars are frequently utilized in construction projects and have a low carbon content, making them cost-effective. They are suitable for general construction purposes and find application in residential buildings, bridges, and small to medium-sized structures. 2. High-strength Reinforcement Bars (HSRB): These rebars possess a higher tensile strength compared to mild steel rebars. They are commonly employed in high-rise buildings, large infrastructure projects, and heavy-duty structures that require greater strength. HSRB rebars are often manufactured using alloys like carbon, manganese, or silicon to enhance their strength. 3. Epoxy-Coated Rebars: To protect against corrosion, these rebars are coated with epoxy resin. Epoxy-coated rebars are commonly used in marine structures, parking garages, and areas with high humidity or exposure to moisture. The epoxy coating acts as a barrier, preventing the steel from coming into contact with corrosive elements, thereby extending the rebar's lifespan. 4. Stainless Steel Rebars: In contrast to mild steel rebars, stainless steel rebars contain a substantial amount of chromium, providing excellent resistance to corrosion. These rebars are often employed in highly corrosive environments such as coastal areas, chemical plants, and wastewater treatment facilities. Stainless steel rebars are also preferred in structures that require high aesthetic appeal, such as architectural buildings and monuments. 5. Galvanized Rebars: Zinc coating is applied to galvanized rebars to safeguard them against corrosion. The zinc coating acts as a sacrificial layer, corroding itself before the underlying steel is affected. These rebars are commonly used in areas with moderate corrosion risks, such as concrete structures exposed to deicing salts or in coastal regions. 6. Carbon Fiber Reinforced Polymer (CFRP) Rebars: CFRP rebars consist of carbon fibers embedded in a polymer matrix. They are lightweight, corrosion-resistant, and possess high tensile strength. CFRP rebars are frequently used in retrofitting existing structures, as they provide excellent strength and durability without adding significant weight. The selection of the appropriate steel rebar depends on the specific application, environmental conditions, and structural requirements. It is crucial to consult structural engineers and adhere to local building codes and standards to ensure the correct type of rebar is chosen for each project.
- Q: Can steel rebars be used in road or highway construction?
- Yes, steel rebars can be used in road or highway construction. Steel rebars, also known as reinforcing bars, are commonly used in the construction industry to provide additional strength and support to concrete structures. In road and highway construction, rebars are typically used in the construction of reinforced concrete pavements, bridge decks, and retaining walls. Rebars are embedded in concrete to enhance its tensile strength, as concrete is strong in compression but weak in tension. By adding rebars to the concrete, it helps distribute the tensile forces and improves the overall durability and load-bearing capacity of the road or highway infrastructure. The use of steel rebars in road or highway construction offers several advantages. Firstly, it improves the structural integrity and longevity of the infrastructure, as reinforced concrete structures are better able to withstand heavy traffic loads, temperature changes, and environmental factors. Secondly, rebars help prevent cracking and deterioration of the concrete, reducing the need for frequent repairs and maintenance. Additionally, the use of rebars allows for more efficient and cost-effective construction, as it enables the use of thinner concrete sections without compromising strength. Overall, steel rebars are a crucial component in road or highway construction, as they provide the necessary reinforcement to ensure the strength, durability, and longevity of the infrastructure.
- Q: Can steel rebars be used in architectural concrete elements?
- Yes, steel rebars can be used in architectural concrete elements. They provide additional strength and reinforcement to the concrete structure, ensuring its durability and stability. Steel rebars are commonly used in architectural designs such as columns, beams, and slabs to enhance the overall structural integrity of the concrete elements.
- Q: How much is the weight of 6mm thread steel KG?
- Rebar also depends on how many grades of steel can be used to determine the carrying capacity (tensile strength, design value). Grade two steel is 300 cow / square millimeter, grade three steel is 360 cow / square millimeter, grade four steel is 435 cow / square millimeter. Converted to 6mm steel, grade two steel is 847kg, grade three steel is 1017kg, grade four steel is 1229kg
- Q: Are there any limitations on the maximum length of steel rebars used in construction?
- Yes, there are limitations on the maximum length of steel rebars used in construction. The maximum length of steel rebars can vary depending on various factors such as the structural design, construction codes, and transportation limitations. In general, the length of steel rebars is limited by practical considerations such as handling, transportation, and installation. Very long rebars can be difficult to transport and maneuver on construction sites. Additionally, excessively long rebars may be more prone to bending or sagging, which can affect their structural integrity. Therefore, construction industry standards and codes typically provide guidelines or restrictions on the maximum length of steel rebars to ensure their safe and efficient use in construction projects. It is important for architects, engineers, and contractors to adhere to these limitations to ensure the structural stability and safety of the building.
- Q: How do steel rebars perform in seismic zones?
- Steel rebars perform well in seismic zones due to their high tensile strength and ductility. They can withstand the intense forces and vibrations generated during earthquakes, effectively reinforcing and strengthening concrete structures. The use of rebars helps prevent structural failure and ensures the safety and stability of buildings in seismic-prone areas.
- Q: Can steel rebars be used in the construction of data centers and IT facilities?
- Yes, steel rebars can be used in the construction of data centers and IT facilities. Steel rebars provide structural reinforcement and enhance the strength and durability of the building, making them suitable for supporting heavy equipment, racks, and servers. Additionally, steel rebars offer excellent fire resistance and can help ensure the safety and security of the data center or IT facility.
- Q: What are the potential risks of using steel rebars in construction?
- The potential risks of using steel rebars in construction include corrosion, which can weaken the structure over time, leading to structural failures. Additionally, improper installation or inadequate quality control can result in rebars not being properly anchored or aligned, compromising the integrity of the structure. Lastly, the weight and size of steel rebars can pose safety hazards during construction if not handled or stored properly.
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55QHG deformed steel 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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