Steels Manufacture Building Material Construction on Sale
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t
- Supply Capability:
- 1000 m.t/month
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1.Packaging & Delivery
Packaging Detail: | in bundles or as customer's requirement |
Delivery Detail: | Within 30days after receiving your deposit or copy of L/C |
2.Specifications
HRB400,HRB500 Steel Rebars
1.China direct supplier
2.Best service
3.Competitive price
4.Quantity assured
3.Product Description
Name | High Tensile Export Reinforcing Steel Bar ,Deformed Steel Bar ,HRB400B,HRB,46B,HRB500 Building Construction Material |
Standard | ASTM A615 /BS BS 4449 /GB HRB/ JIS G3112 |
Grade | A615 Gr40/60/75 BS 4449 Gr460,B500 GB HRB335,HRB400 ,HRB500
JIS G3112 SD390
|
Diameter | 6mm-40mm |
Length | 6-12m |
Technique | Low temperature hot-rolling reinforcing deformed steel rebar |
Tolerance | As the standard or as your requirement |
Application | Building, construction, road, bridge,etc |
Certificated | BV |
MOQ | 500tons per size steel rebar |
Packing details | Steel rebar packed in bundle or as your requirement |
Delivery | Within 30 days after deposit |
Payment | T/T or L/C |
4.Chemical Composition
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 | ||
Physics capability | ||||||||
Yield Strength(N/cm2) | Tensile Strength(N/cm2) | Elongation (%)
| ||||||
≥400 | ≥470 | ≥14 |
Grade | Technical data of the original chemical composition (%) | |||||||
C | Mn | Si | S | P | V | |||
HRB500 | ≤0.25 | ≤1.60 | ≤0.80 | ≤0.045 | ≤0.045 | 0.04-0.12 | ||
Physics capability | ||||||||
≥500 | ≥630 | ≥12 |
5. Theorectical weight
Diameter (MM) | Cross Sectional Area (MM2) | Theorectical Weight (KG/M) | Weight of 12M Bar (KG) | A Ton Contains 12M Bars (PCS) |
6 | 28.27 | 0.222 | 2.664 | 375.38 |
8 | 50.27 | 0.395 | 4.74 | 210.97 |
10 | 78.54 | 0.617 | 7.404 | 135.06 |
12 | 113.1 | 0.888 | 10.656 | 93.84 |
14 | 153.9 | 1.21 | 14.52 | 68.87 |
16 | 201.1 | 1.58 | 18.96 | 52.74 |
18 | 254.5 | 2 | 24 | 41.67 |
20 | 314.2 | 2.47 | 29.64 | 33.74 |
22 | 380.1 | 2.98 | 35.76 | 27.96 |
25 | 490.9 | 3.85 | 46.2 | 21.65 |
28 | 615.8 | 4.83 | 57.96 | 17.25 |
32 | 804.2 | 6.31 | 75.72 | 13.21 |
36 | 1018 | 7.99 | 98.88 | 10.43 |
40 | 1257 | 9.87 | 118.44 | 8.44 |
- Q:What are the different methods of non-destructive testing for steel pipes?
- Some of the different methods of non-destructive testing for steel pipes include ultrasonic testing, magnetic particle testing, eddy current testing, radiographic testing, and visual inspection. These methods are used to detect surface and subsurface defects, such as cracks, corrosion, and discontinuities, without causing any damage to the pipes.
- Q:What are the different types of couplings used with steel pipes?
- There are several types of couplings commonly used with steel pipes, including threaded couplings, slip-on couplings, welding couplings, and flanged couplings. Each type of coupling has its own specific method of connection and is chosen based on the requirements of the application and the pipe system.
- Q:How do you join steel pipes together?
- There are several methods to join steel pipes together. The most common methods include welding, threading, and using mechanical connectors. Welding involves melting the ends of the pipes and fusing them together, creating a strong and permanent joint. Threading involves cutting threads into the ends of the pipes and using threaded fittings to connect them. Mechanical connectors, such as couplings or flanges, use fasteners or compression to hold the pipes together. The choice of joining method depends on the specific application and the type of steel pipes being used.
- Q:How do you calculate the flow rate in a steel pipe?
- When calculating the flow rate in a steel pipe, several factors must be taken into consideration. The primary factor to consider is the cross-sectional area of the pipe, which can be determined using the formula A = πr², where A represents the cross-sectional area and r represents the radius of the pipe. Afterwards, it is necessary to ascertain the velocity of the fluid moving through the pipe. This can be accomplished by utilizing the equation v = Q/A, where v denotes the velocity, Q represents the volumetric flow rate, and A represents the cross-sectional area of the pipe. To determine the volumetric flow rate, one can employ the equation Q = AV, where Q represents the volumetric flow rate, A represents the cross-sectional area, and V represents the average velocity of the fluid. Furthermore, it is essential to take into account the properties of the fluid being transported through the pipe. Factors such as density and viscosity can impact the flow rate. In conclusion, the flow rate in a steel pipe can be calculated by determining the cross-sectional area of the pipe, calculating the velocity of the fluid, and considering the properties of the fluid being transported.
- Q:How are steel pipes used in the construction of water treatment plants?
- Steel pipes are commonly used in the construction of water treatment plants for various purposes such as transporting water, carrying chemicals, and handling wastewater. They are often used as the main conduits for distributing treated water throughout the plant, as well as for supplying raw water from the source to the treatment facility. Steel pipes also play a crucial role in the transportation of chemicals used in the treatment processes, ensuring their safe and efficient delivery. Additionally, steel pipes are utilized for the disposal of wastewater and sludge, allowing for proper drainage and disposal systems within the plant. Overall, steel pipes are essential components in the construction and operation of water treatment plants, providing the necessary infrastructure for the efficient and effective treatment of water.
- Q:What are the specific differences between flexible pipes and rigid pipes?
- The rigid waterproof sleeve is used in the wall of the building which does not need to bear the vibration and expansion deformation of the pipe, and the wall thickness is 200mm in general;Flexible waterproof sleeve is mainly applicable to the wall of buildings with seismic requirements, pipeline vibration and expansion deformation, and strict waterproof requirements, and the wall thickness is 300mm
- Q:What type of steel pipe for security windows?
- Stainless steel security window generally use 25 square tubes and 19 round tubes! 25/38 tubes and 22 round tubes are also available!
- Q:Can steel pipes be used for underground power transmission?
- Indeed, underground power transmission can make use of steel pipes. Due to their resilience, robustness, and resistance to corrosion, steel pipes are extensively employed in underground power transmission systems. These pipes serve as a safeguarding enclosure for power cables, guaranteeing their security and shielding them from potential harm caused by external elements like moisture, soil movements, and potential impacts. Moreover, the use of steel pipes facilitates easy installation, maintenance, and repair of the power transmission system. Additionally, their ability to withstand high pressure and temperature renders them suitable for conveying the high voltage electricity essential for power transmission. All in all, steel pipes are a dependable and effective choice for underground power transmission.
- Q:How are steel pipes used in building foundations?
- Steel pipes are commonly used in building foundations to provide structural support and stability. They are often driven into the ground to create deep foundation systems, such as pile foundations, which can bear heavy loads and transfer them to the underlying soil or rock. These pipes are also utilized in various types of foundation construction, such as caissons and drilled shafts, to ensure strength, durability, and resistance to ground movements.
- Q:What is the impact of steel pipe size on flow rate and pressure?
- The size or diameter of a steel pipe has a significant impact on both flow rate and pressure. Firstly, the flow rate refers to the volume of fluid that can pass through the pipe per unit of time. A larger pipe diameter allows for a greater flow rate as there is more space for the fluid to move through. This is due to the fact that a larger cross-sectional area of the pipe offers less resistance to the flow of fluid. Therefore, increasing the size of the steel pipe will generally lead to an increase in flow rate. Secondly, the pressure within a pipe is influenced by its size. As the fluid flows through a pipe, it encounters resistance due to friction against the walls of the pipe. This resistance leads to a pressure drop along the length of the pipe. A smaller pipe diameter results in higher frictional losses, which leads to a greater pressure drop. On the other hand, a larger pipe diameter reduces frictional losses and therefore results in a lower pressure drop. Consequently, increasing the size of the steel pipe will generally lead to a decrease in pressure drop. It is important to note that while increasing the size of a steel pipe may generally result in a higher flow rate and lower pressure drop, there are other factors that can also affect these parameters. These include the fluid properties, the length and layout of the pipe, and any additional components such as valves or fittings. Therefore, it is crucial to consider all these factors and conduct proper calculations or simulations to accurately determine the impact of steel pipe size on flow rate and pressure in a specific system.
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Send your message to us
Steels Manufacture Building Material Construction on Sale
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 m.t
- Supply Capability:
- 1000 m.t/month
OKorder Service Pledge
OKorder Financial Service
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