HRB 400/ 500 Reinforcing Deformed Steel Round Bar with Cheap Price
- 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
You Might Also Like
Specification
Standard:
AISI,JIS,GB,BS,DIN,API,EN,ASTM
Technique:
Hot Rolled
Shape:
Round
Surface Treatment:
Galvanized
Steel Grade:
Q235
Certification:
ISO,SGS,CE
Thickness:
5.5mm-40mm
Length:
6m, 9m, 12m or as request
Net Weight:
100tons
HRB 400/ 500 Reinforcing Deformed Steel Round Bar with Cheap Price
Products Description:
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:
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: What kind of steel is carbon steel in threaded steel?
- The carbon structural steel is mainly used to make engineering structural parts. It is generally used in the supply state, steel sulfur and phosphorus content is higher, allowing 0.050% and 0.045%, respectively. This kind of steel accounts for a large proportion of the total output of steel.
- Q: How do steel rebars improve the durability of concrete structures?
- Steel rebars improve the durability of concrete structures by providing added strength and reinforcement. They enhance the load-bearing capacity of the concrete, prevent cracking and deformation, and increase resistance to tension and bending forces. This reinforcement helps to minimize structural damage caused by factors like heavy loads, seismic activity, temperature fluctuations, and corrosion, ultimately increasing the lifespan and overall durability of the concrete structure.
- Q: What is the role of steel rebars in reducing concrete creep?
- Steel rebars play a crucial role in reducing concrete creep. Concrete creep refers to the gradual deformation or movement of concrete over time under sustained loading. This phenomenon occurs due to the long-term effects of stress and environmental factors on the concrete structure. By incorporating steel rebars into concrete structures, the creep behavior of concrete is significantly reduced. Steel rebars are high-strength reinforcement bars that are embedded within the concrete to enhance its structural integrity and durability. They provide tensile strength to counteract the tensile stresses that can cause concrete to creep. When concrete is subjected to sustained loads, such as the weight of a building or a bridge, it experiences internal stresses that can lead to creep. However, the presence of steel rebars helps to distribute these stresses more evenly throughout the structure. The rebars act as a reinforcement, absorbing and redistributing the tensile forces, thus minimizing the deformation of the concrete. Additionally, steel rebars also improve the bond between concrete and the reinforcement. This bond is essential for transferring the tensile forces from the concrete to the rebars and ensuring that they work together as a composite material. The strong bond between concrete and rebars prevents the formation of cracks, which can further contribute to creep. Furthermore, steel rebars also enhance the overall stiffness and rigidity of the concrete structure. This increased stiffness helps to resist the deformation caused by creep, maintaining the integrity and stability of the structure over time. In summary, the role of steel rebars in reducing concrete creep is vital. They provide tensile strength, distribute internal stresses, improve the bond between concrete and reinforcement, and enhance the overall stiffness of the structure. By incorporating steel rebars, engineers can effectively mitigate the effects of creep and ensure the long-term performance and durability of concrete structures.
- Q: What are the benefits of using stainless steel rebars?
- Using stainless steel rebars in construction projects offers several advantages. Firstly, they provide excellent resistance to corrosion, which is particularly crucial in environments with high humidity, coastal areas, or projects where the concrete will be exposed to water or chemicals. Unlike traditional carbon steel rebars, stainless steel rebars do not easily rust or corrode, ensuring the structure's long-term integrity and durability. Secondly, stainless steel rebars possess a higher tensile strength compared to carbon steel rebars. This means they can withstand greater forces and stresses without deforming or breaking. This makes them ideal for structures requiring a high load-bearing capacity, such as bridges, parking garages, and high-rise buildings. Moreover, stainless steel rebars have a low thermal expansion coefficient, meaning they do not significantly expand or contract with temperature changes. This property helps minimize cracking and structural damage caused by thermal stresses, ensuring the longevity and stability of the concrete structure. In addition to their mechanical properties, stainless steel rebars also offer aesthetic benefits. With their sleek and shiny appearance, they can enhance the visual appeal of architectural elements like exposed concrete walls or features in bridges and buildings. Lastly, stainless steel rebars are environmentally friendly as they are 100% recyclable, making them a sustainable choice for construction projects. By utilizing stainless steel rebars, builders and engineers can contribute to reducing the carbon footprint and promoting a greener construction industry. Overall, the advantages of using stainless steel rebars include superior corrosion resistance, high tensile strength, low thermal expansion, aesthetic appeal, and environmental sustainability. These benefits make stainless steel rebars the preferred choice for various construction applications, providing long-lasting and reliable reinforcement for concrete structures.
- Q: How do steel rebars contribute to the ductility of reinforced concrete structures?
- The ductility of reinforced concrete structures is enhanced by steel rebars which serve multiple purposes. Firstly, by resisting tensile forces, the rebars prevent the concrete from cracking or failing under tension. This allows the structure to deform and absorb energy without catastrophic failure. Secondly, the rebars distribute applied loads across a wider area, reducing localized concentrations and promoting flexibility and energy absorption. Additionally, the rebars provide anchorage and confinement to the concrete, preventing slippage and expansion under tension. In conclusion, steel rebars contribute to the overall ductility of reinforced concrete structures by providing tensile strength, stress redistribution, and anchorage and confinement capabilities.
- Q: What are the safety precautions when working with steel rebars?
- When working with steel rebars, some important safety precautions to follow include wearing proper personal protective equipment such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. It is crucial to handle rebars with care to avoid cuts or punctures, as the sharp edges can be hazardous. Additionally, workers should always be cautious of their surroundings and ensure a clear and organized work area to prevent tripping or falling accidents. Lastly, it is important to follow proper lifting techniques and use appropriate equipment to avoid strain or back injuries.
- Q: What are the different types of tests conducted on steel rebars for quality assurance?
- There are several types of tests conducted on steel rebars for quality assurance. Some common tests include tensile testing, bend testing, impact testing, hardness testing, and chemical composition analysis. These tests help ensure that the rebars meet the required mechanical properties, dimensional tolerances, and chemical composition standards, ensuring their quality and suitability for various construction applications.
- Q: How is thread steel made?
- The billets used in continuous small mills are generally continuous billets, the length of which is usually 130~160mm, the length is about 6~12 meters, and the billets are 1.5~3 tons in weight. The rolling line is mostly flat interchange arrangement to realize all round rolling without torsion. According to different billet specifications and finished sizes, there are 18, 20, 22 and 24 small mills, 18 of which are mainstream. The use of bar rolling reheating furnace, high pressure water descaling, in addition to the new technology of low-temperature rolling, endless rolling, rolling, rolling development to adapt and improve the precision of rolling billet, rolling mill is mainly to improve the accuracy and speed (up to 18m/s). Product specifications are generally phi 10-40mm, Phi Phi 6-32mm or 12-50mm. The steel grades produced are low, medium and high carbon steels and low-alloy steels, which are widely needed in the market. The maximum rolling speed is 18m/s. The production process is as follows:Reheating furnace, roughing mill, rolling mill, rolling mill, water cooling device, cooling bed, cold shear, automatic counting device, bundling machine, unloading bench is calculated from the Shanghai kuanli Steel Co. Ltd. to provide thread steel weight: diameter * * outer diameter theory 0.00617=kg/m theory and 6.50.260 steel manufacturers specifications Jiuzheng 8.00.395 Jiuzheng steel 100.617 steel 120.888 steel 141.21 nine nine nine nine nine steel 161.58 steel 182 steel 202.47 steel 222.98 steel 253.85 nine nine nine nine nine steel 284.83 steel 326.31 steel.
- Q: How can the quality of steel rebars be tested?
- The quality of steel rebars can be tested through various methods such as visual inspection, dimensional measurement, destructive testing (such as tensile strength and elongation tests), non-destructive testing (such as ultrasonic testing, magnetic particle inspection, and radiographic testing), chemical analysis, and corrosion resistance evaluation. These methods collectively ensure that the steel rebars meet the required quality standards and are free from defects or weaknesses.
- Q: Can steel rebars be used in combination with other reinforcement materials?
- Yes, steel rebars can be used in combination with other reinforcement materials such as fibers, wire mesh, or carbon fiber sheets to enhance the overall strength and durability of concrete structures. This combination of reinforcement materials provides a more effective solution for reinforcing concrete and can meet specific project requirements.
Send your message to us
HRB 400/ 500 Reinforcing Deformed Steel Round Bar with Cheap Price
- 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
Similar products
Hot products
Hot Searches
Related keywords
