Steels Manufacture Building Material Construction with Good Quality
- 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: How to calculate the maximum bending stress of steel pipe? Is there a list of the maximum flexural normal stresses for steel pipes of different materials and diameters?
- Strength design of steel pipe by this formula to calculate the maximum normal stress in the steel pipe should be less than the value (based on your choice of different grades of steel, steel strength design value is not the same, this value can also be found through the design manual of steel structure), meet the requirements, it can meet the requirements of steel pipe under the action of bending moment strength.
- Q: How are steel pipes protected against galvanic corrosion?
- Steel pipes are protected against galvanic corrosion through various methods including the application of protective coatings such as zinc or epoxy, cathodic protection systems, and the use of corrosion inhibitors.
- Q: Can steel pipes be used in the oil and gas industry?
- Yes, steel pipes are commonly used in the oil and gas industry. Steel pipes are known for their strength, durability, and resistance to corrosion, making them suitable for transporting and storing various fluids and gases in the industry. These pipes can withstand high pressure and extreme temperatures, which are often encountered in oil and gas operations. Additionally, steel pipes can be easily welded together, allowing for efficient assembly and maintenance. Overall, steel pipes are a reliable and cost-effective choice for the oil and gas industry.
- Q: Can steel pipes be used for gas distribution?
- Yes, steel pipes can be used for gas distribution. Steel pipes are commonly used for transporting natural gas and other gases due to their high strength, durability, and resistance to corrosion. They can withstand high pressure and are suitable for long-distance gas distribution networks. However, it is important to ensure proper materials and installation techniques are used to prevent any potential safety hazards.
- Q: Can steel pipes be used for solar power systems?
- Yes, steel pipes can be used for solar power systems. Steel pipes are commonly used for various applications in solar power systems, including the construction of support structures, mounting systems, and piping systems for circulating heat transfer fluids. Steel pipes are preferred due to their strength, durability, and resistance to environmental conditions. They can handle the weight of solar panels, support structures, and withstand the forces exerted by wind and other external factors. Additionally, steel pipes can be easily customized and welded to meet specific project requirements. Overall, steel pipes are a reliable and cost-effective choice for solar power systems.
- Q: What is the difference between steel pipe and PVC pipe?
- Both steel pipe and PVC pipe are commonly utilized materials for plumbing and other construction purposes; however, they possess several distinct dissimilarities. To begin with, the materials themselves differ. Steel pipe is manufactured from a blend of iron and carbon, known as steel. This material is renowned for its robustness and durability, rendering it appropriate for high-pressure applications and subterranean installations. Conversely, PVC (polyvinyl chloride) pipe is crafted from a type of plastic called PVC. PVC pipe is characterized by its lightweight nature, flexibility, and ease of handling, making it a favored choice for residential plumbing and irrigation systems. Next, the installation process varies. Steel pipe necessitates skilled labor and specialized tools for cutting, threading, and welding. It frequently involves a complex installation procedure, particularly for larger pipe sizes. Conversely, PVC pipe can be effortlessly cut with a saw or specialized pipe cutter and joined together utilizing solvent cement or threaded fittings. This renders PVC pipe more suitable for DIY projects and simpler installations. Moreover, steel pipe incurs greater costs compared to PVC pipe. Steel is a pricier material, and the manufacturing process for steel pipe is more intricate, entailing multiple steps and additional materials. PVC pipe, as a plastic-based material, is generally less expensive and more cost-effective, particularly for smaller diameter applications. In terms of performance, steel pipe possesses greater tensile strength, can endure higher levels of pressure, and exhibits greater resistance to temperature fluctuations, rendering it ideal for heavy-duty and industrial applications. Conversely, PVC pipe possesses lower tensile strength but is resistant to corrosion, chemicals, and scale buildup. PVC pipe is commonly employed in residential plumbing, irrigation systems, and other non-industrial applications. To summarize, the primary disparities between steel pipe and PVC pipe revolve around the materials used, installation processes, costs, and performance characteristics. While steel pipe is sturdier and more suitable for heavy-duty applications, PVC pipe is lighter, easier to install, and more cost-effective for residential and non-industrial purposes.
- Q: How do you calculate the pipe pressure drop coefficient for steel pipes?
- To determine the pipe pressure drop coefficient for steel pipes, one can utilize the Darcy-Weisbach equation. This equation establishes a relationship between the pressure drop within a pipe and various factors, including the flow rate, pipe diameter, pipe length, and the properties of the fluid being conveyed. The pressure drop coefficient, also known as the friction factor or the Darcy-Weisbach friction factor, is represented by the symbol f and is dimensionless. It denotes the resistance to flow within the pipe. The value of f is contingent upon the flow regime, which can either be laminar or turbulent. In the case of laminar flow, occurring at low flow rates or with viscous fluids, the pressure drop coefficient can be determined through employment of the Hagen-Poiseuille equation. This equation relates the pressure drop to the fluid viscosity, pipe length, pipe diameter, and flow rate. However, for turbulent flow, arising at higher flow rates, the calculation of the pressure drop coefficient becomes more intricate. It is influenced by the roughness of the pipe wall, which impacts flow resistance. Typically, roughness is quantified using the relative roughness, defined as the ratio of the pipe wall roughness to the pipe diameter. To compute the pressure drop coefficient for turbulent flow in steel pipes, empirical correlations or Moody's diagram can be utilized. Moody's diagram provides a graphical depiction of the friction factor as a function of the Reynolds number and relative roughness. The Reynolds number characterizes the flow regime and is determined using fluid properties, flow rate, and pipe dimensions. By identifying the intersection of the Reynolds number and relative roughness on Moody's diagram, one can ascertain the corresponding pressure drop coefficient. It is crucial to note that the pressure drop coefficient for steel pipes may vary depending on specific pipe dimensions, surface roughness, and fluid properties. Consequently, it is advisable to refer to relevant standards or engineering sources for precise and current values of the pressure drop coefficient for steel pipes in a particular application.
- Q: Can steel pipes be used for bridge piling?
- Yes, steel pipes can be used for bridge piling. Steel pipes provide several advantages for bridge piling, such as high strength, durability, and resistance to corrosion. They can be driven deep into the ground to provide a stable foundation for the bridge structure, making them a suitable choice for bridge piling applications.
- Q: How are steel pipes used in the construction of coal-fired power plants?
- Steel pipes are used in the construction of coal-fired power plants for various purposes. They are primarily utilized for the transportation of coal and other materials such as water, steam, and flue gas within the plant. Steel pipes are also used for the construction of high-pressure and high-temperature pipelines, which are essential for the efficient operation of boilers, turbines, and other equipment. Additionally, steel pipes are employed in the construction of structural components, such as support systems, frames, and columns, providing strength and stability to the overall infrastructure of the power plant.
- Q: How are steel pipes used in the manufacturing of solar power systems?
- Steel pipes are commonly used in the manufacturing of solar power systems for various purposes. They are used as structural supports for solar panels, providing stability and durability. Additionally, steel pipes are often utilized for the transportation of fluids such as water or heat transfer fluids, enabling the efficient circulation of these substances within the solar power system.
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Steels Manufacture Building Material Construction with Good Quality
- 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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