Deformed Steel Bar Astm A615 Grade 40 Grade 60 Rebar Steel Prices
- Ref Price:
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t.
- Supply Capability:
- 100000 m.t./month
- OKorder Service Pledge
- Quality Product
- Order Online Tracking
- Timely Delivery
- OKorder Financial Service
- Credit Rating
- Credit Services
- Credit Purchasing
Item specifice
Deformed Steel Bar Astm A615 Grade 40 Grade 60 Rebar Steel Prices
Products Description:
Rebar is common known as steel reinforcing bar, usually applied to reinforced concrete and reinforced masonry structures. Formed from mild steel, it is given ribs for better frictional adhesion to the concrete. In other words rebar is an iron rod, a weldable plain reinforcing steel bar, that it can be also used for steel meshes.
1. Diameter: 5.5mm-10mm rounds reinforcing steel bar
10m- 40 rods reinforcing deformed steel bar
2. Length: 6m, 9m, 12m or customized
3. Standard: GB, ASTM, AISI, SAE, DIN, JIS, EN. OEM technology - send detailed technical parameters for accurate quotation.
4. Produce Process: smelt iron - EAF smelt billet - ESR smelt billet - hot rolled or forged to get the steel round bar and plate
5. Heat Treatment: annealing, normalizing, tempering, quenching
6. Surface Treatment: Black
7. Quality Assurance: We accept third party inspection for all orders.
You can ask testing organizations such as SGS, BV, etc. to test our products before shipping.
Theoretical weight and section area:
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 |
12 | 113.1 | 0.888 | 10.656 |
16 | 201.1 | 1.58 | 18.96 |
20 | 314.2 | 2.47 | 29.64 |
25 | 490.9 | 3.85 | 46.2 |
32 | 804.2 | 6.31 | 75.72 |
40 | 1257 | 9.87 | 118.44 |
50 | 1964 | 15.42 | 185.04 |
Technical Datas:
Grade | Technical data of the original chemical composition (%) | |||||
C | Mn | Si | S | P | V | |
≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | |
HRB400 | Physical capability | |||||
Yield Strength (N/cm²) | Tensile Strength (N/cm²) | Elongation (%) | ||||
≥400 | ≥570 | ≥14 |
Products Show:
Packages and Shipping:
Packaging | A seaworthy pachaging or as per customer required |
Shipping | 10- 30days after we receive 30% deposite |
FAQ:
1. Your advantages?
Professional products inquiry, products knowledge train (for agents), smooth goods delivery, excellent customer solution proposale
2. Test & Certificate?
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem
3. Payment Terms?
30% TT as deposit and 70% before delivery. Or Irrevocable L/C at sight.
4. Trading Terms?
EXW, FOB, CIF, FFR, CNF
5. After-sale Service
We provide the services and support you need for every step of our cooperation. We're the business partner you can trust. For any problem, please kindly contact us at any your convenient time.
- Q:
- There are several types of steel rebars commonly used in foundation construction, including plain round bars, deformed bars, epoxy-coated bars, and galvanized bars. Plain round bars are smooth and have no surface deformations, making them suitable for lightweight applications. Deformed bars have ribs, lugs, or other surface deformations that provide better bonding with concrete and enhance the strength of the foundation. Epoxy-coated bars are coated with a layer of epoxy to protect against corrosion, making them ideal for areas with high moisture or chemical exposure. Galvanized bars are coated with a layer of zinc to prevent rusting and corrosion, making them suitable for outdoor or marine environments.
- Q:
- Concrete creep, the gradual deformation of concrete over time under sustained loading, is significantly reduced by the incorporation of steel rebars. These high-strength reinforcement bars enhance the structural integrity and durability of concrete structures by providing tensile strength to counteract the forces that cause creep. Under sustained loads, concrete experiences internal stresses that can lead to creep. However, the presence of steel rebars helps distribute these stresses more evenly throughout the structure, acting as reinforcement to absorb and redistribute the tensile forces and minimize concrete deformation. Additionally, steel rebars improve the bond between concrete and reinforcement, ensuring they work together as a composite material. This bond prevents the formation of cracks, which can contribute to creep. Moreover, steel rebars enhance the overall stiffness and rigidity of concrete structures, resisting the deformation caused by creep and maintaining stability over time. In conclusion, steel rebars play a crucial role in reducing concrete creep by providing tensile strength, distributing internal stresses, improving the bond between concrete and reinforcement, and enhancing overall stiffness. Engineers can effectively mitigate the effects of creep and ensure long-term performance and durability by incorporating steel rebars into concrete structures.
- Q:
- The strength of steel rebars is determined by several factors. Firstly, the composition of the steel used in the manufacture of rebars plays a crucial role. The presence of certain elements, such as carbon, manganese, and silicon, can significantly affect the strength of the steel. These elements enhance the steel's ability to resist tension and provide structural stability, ultimately determining the strength of the rebars. Secondly, the manufacturing process of the rebars has an impact on their strength. The steel is typically heated and then rapidly cooled, a process known as quenching and tempering, which helps in achieving the desired strength. The precise temperature and duration of this process can influence the rebars' strength, as it affects the grain structure and chemical properties of the steel. Thirdly, the size and shape of the rebars also play a role in determining their strength. The diameter and length of the rebar affect its load-bearing capacity. Thicker and longer rebars generally have higher strength as they can withstand greater stress and distribute it more effectively. Furthermore, the presence of any impurities or defects in the steel can weaken the rebars. These defects can include cracks, voids, or inclusions, which can compromise the structural integrity of the rebar and reduce its strength. Lastly, the environment and conditions in which the rebars will be used should also be considered. Factors such as temperature, humidity, and exposure to corrosive substances can impact the rebars' strength over time. Proper precautions, such as using corrosion-resistant coatings or stainless steel rebars, should be taken to ensure the longevity and strength of the rebars in such environments. In conclusion, the strength of steel rebars is determined by the composition of the steel, the manufacturing process, the size and shape of the rebars, the presence of defects, and the environmental conditions in which they will be used. Considering these factors is crucial for ensuring the durability and reliability of steel rebars in construction applications.
- Q:
- Yes, there are limitations on the use of steel rebars in flexural members. The size, placement, and quantity of rebars used must comply with the design codes and specifications governing the structural elements. Additionally, factors such as the load capacity, bending strength, and deflection requirements must be considered to ensure the safe and effective use of steel rebars in flexural members.
- Q:
- The different sizes of steel rebars available in the market vary depending on the specific requirements of construction projects. Common sizes range from #3 (10mm) to #18 (57mm) in diameter, with various lengths available as well. These sizes are standardized and widely used in the industry to ensure structural integrity and compatibility with reinforced concrete applications.
- Q:
- There are several types of steel rebars used in road construction, each with its own specific characteristics and advantages. Some of the commonly used types include: 1. Mild Steel Rebars: Also known as carbon steel rebars, these are the most commonly used type in road construction. They have a low carbon content and are relatively inexpensive. Mild steel rebars are suitable for general-purpose applications and provide good strength and ductility. 2. High Strength Deformed (HSD) Rebars: These rebars have higher tensile strength compared to mild steel rebars. They are manufactured by subjecting mild steel bars to mechanical treatments, such as hot rolling, quenching, and tempering. HSD rebars are used in areas where higher load-bearing capacity is required, such as bridge construction. 3. Stainless Steel Rebars: These rebars are corrosion-resistant due to their high chromium content. They are especially beneficial in areas with high humidity, coastal regions, or where road construction is exposed to corrosive substances. Stainless steel rebars are more expensive than other types but offer long-term durability. 4. Epoxy-Coated Rebars: These rebars are coated with epoxy to provide protection against corrosion. Epoxy coating acts as a barrier between the steel surface and the environment, preventing the penetration of moisture and corrosive elements. Epoxy-coated rebars are commonly used in concrete pavements to enhance the longevity of the road. 5. Galvanized Rebars: These rebars are coated with a layer of zinc to protect against corrosion. The zinc coating acts as a sacrificial layer, preventing the steel from coming into contact with corrosive elements. Galvanized rebars are commonly used in road construction projects where corrosion resistance is crucial, such as in areas with high levels of moisture or chemical exposure. It is important to select the appropriate type of steel rebars based on the specific requirements of the road construction project. Factors such as load-bearing capacity, environmental conditions, and budget considerations play a significant role in determining the most suitable type of rebar to be used.
- Q:
- Yes, steel rebars can be used in the construction of underground parking facilities. Steel rebars are commonly used in reinforced concrete structures to provide strength and durability, making them suitable for underground parking facilities where structural integrity is crucial. The rebars help to reinforce the concrete and increase its load-bearing capacity, ensuring the safety and stability of the parking facility.
- Q:
- The structural stability of concrete is reinforced by steel rebars, which provide additional strength. Concrete possesses strength under compression but is weak when subjected to tension. To counteract this weakness and enhance its tensile strength, steel rebars are embedded in the concrete. The rebars function as reinforcement by absorbing the tensile forces that arise when a structure undergoes bending or stretching. In the presence of such forces, the rebars evenly distribute the load across the concrete, preventing cracks and failure. This is particularly crucial in buildings, bridges, and dams, where the concrete must withstand diverse external forces. Furthermore, the rebars help regulate the expansion and contraction of the concrete resulting from temperature changes. Since steel and concrete have similar coefficients of thermal expansion, steel rebars assist in minimizing stress caused by temperature fluctuations, thus reducing the likelihood of cracking. Additionally, the bond between the steel rebars and the concrete is vital for effective reinforcement. The rough surface of the rebars ensures excellent adherence to the surrounding concrete, enabling them to function as a composite material. This bond facilitates the transfer of stress from the concrete to the rebars, thereby enhancing the overall strength and durability of the structure. To summarize, steel rebars reinforce concrete by providing tensile strength, distributing loads, controlling temperature-induced stress, and establishing a robust bond with the concrete. The combination of concrete and steel results in a reinforced concrete structure capable of withstanding various external forces and maintaining its structural integrity over time.
- Q:
- Steel rebars come in various shapes, such as round (plain or deformed), square, rectangular, and hexagonal. These shapes allow for different applications and structural requirements in construction projects.
- Q:
- Steel rebars do not directly contribute to the overall aesthetics of a structure as they are typically hidden within the concrete. However, their presence is crucial for providing structural integrity and ensuring the longevity and safety of the building.
1. Manufacturer Overview |
|
---|---|
Location | |
Year Established | |
Annual Output Value | |
Main Markets | |
Company Certifications |
2. Manufacturer Certificates |
|
---|---|
a) Certification Name | |
Range | |
Reference | |
Validity Period |
3. Manufacturer Capability |
|
---|---|
a)Trade Capacity | |
Nearest Port | |
Export Percentage | |
No.of Employees in Trade Department | |
Language Spoken: | |
b)Factory Information | |
Factory Size: | |
No. of Production Lines | |
Contract Manufacturing | |
Product Price Range |
Send your message to us
Similar products
New products
Hot products
Hot Searches
Related keywords
You Might Also Like