Steels Manufacture Building Material Construction from China on Hot Sale
- Ref Price:
-
- 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 types of steel pipe coatings for nuclear power plants?
- There are several types of steel pipe coatings used in nuclear power plants, including epoxy coatings, fusion-bonded epoxy (FBE) coatings, and polyethylene (PE) coatings. These coatings provide corrosion and chemical resistance to the steel pipes, ensuring their longevity and safety in the demanding environment of a nuclear power plant.
- Q: How are steel pipes measured?
- Steel pipes are typically measured by their outside diameter (OD) and wall thickness. The OD is measured using a caliper or tape measure, while the wall thickness is determined by a gauge or ultrasonic testing. These measurements are crucial in determining the appropriate size and strength of a steel pipe for various applications.
- Q: What materials are used in scaffolding pipes?
- Safety net with dense green net, safety net of flame retardant standards GB, and safety net of flame retardant performance detection for lighter lit mesh 12 seconds after leaving the fire, flame retardant, continued burning of not more than 4S. The application of 9MM safety net rope, rope, nylon rope woven, each network should be able to withstand the impact of the national standard 1.6KN test.
- Q: What are the different factors affecting the flow rate of steel pipes?
- The flow rate of steel pipes can be affected by multiple factors. Let's explore some of these factors: 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger pipes allow for greater flow rates as they provide a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also impacts the flow rate. Longer pipes tend to have higher friction losses, which can decrease the flow rate. Moreover, longer pipes may require higher pressure to maintain the desired flow rate. 3. Fluid viscosity: The viscosity of the fluid passing through the pipe is an important consideration. Viscous fluids, such as heavy oils, exhibit higher resistance to flow, resulting in lower flow rates. Conversely, less viscous fluids, like water, encounter lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe serves as a driving force for flow. A higher pressure difference will lead to a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner pipe surface influences the flow rate. Rough surfaces generate more turbulence and friction, thus resulting in a lower flow rate. Conversely, smoother surfaces minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which subsequently affect the flow rate. Higher temperatures generally decrease the viscosity of fluids, leading to increased flow rates. 7. Pipe material: The choice of pipe material impacts the flow rate due to varying roughness and resistance. Steel pipes, for instance, typically possess a smoother inner surface compared to pipes made of other materials, resulting in higher flow rates. 8. Pipe fittings and bends: The presence of fittings, valves, and bends in the pipe can cause flow restrictions and pressure drops, which can decrease the flow rate. Proper design and placement of these components can minimize their impact on the flow rate. Understanding the interplay of these factors is essential for the design and optimization of fluid flow systems involving steel pipes.
- Q: Seamless steel pipe and welded pipe what is the difference?
- Identification method: see the inside of the pipe, because the external, will deal with the welded pipe is inside a gap, you can see some, some, is not easy to see, you can slowly by hand touch, or see the specifications are relatively thin, welded pipe
- Q: Can steel pipes be used for conveying solid materials?
- Yes, steel pipes can be used for conveying solid materials. Steel pipes are known for their high strength and durability, making them suitable for transporting solid materials such as ores, grains, or construction materials. They are commonly used in industries such as mining, agriculture, and construction for this purpose.
- Q: What are the advantages of using steel pipes in construction?
- There are several advantages of using steel pipes in construction. Firstly, steel pipes are incredibly strong and durable, making them suitable for carrying heavy loads and withstanding extreme weather conditions. Secondly, steel pipes have a high resistance to corrosion, which ensures their longevity and minimizes maintenance costs. Additionally, steel pipes are versatile and can be easily customized to fit specific project requirements. Lastly, steel pipes are fire-resistant, making them a safer choice for construction purposes. Overall, the use of steel pipes in construction offers strength, durability, corrosion resistance, versatility, and fire safety.
- Q: How are steel pipes insulated?
- Steel pipes are typically insulated using various methods such as applying insulation materials like fiberglass, mineral wool, or foam directly onto the surface of the pipes. This insulation helps to prevent heat loss, control condensation, and protect against corrosion. Additionally, some pipes may also be wrapped with reflective foil or jacketed with a protective covering to enhance insulation efficiency and durability.
- Q: How are steel pipes used in geothermal energy systems?
- Steel pipes are used in geothermal energy systems to transport the hot water or steam from the underground reservoir to the surface. These pipes are resistant to high temperatures and corrosion, ensuring the safe and efficient transfer of geothermal fluids. Additionally, steel pipes provide durability and strength, making them suitable for the harsh conditions of geothermal environments.
- Q: How are steel pipes connected in pipeline construction?
- Steel pipes are connected in pipeline construction through various methods, such as welding, threading, and flanges. Welding involves melting the ends of two pipes together to form a strong and permanent bond. Threading involves cutting grooves into the ends of pipes, which are then screwed together using threaded fittings. Flanges are used to connect pipes by bolting them together, creating a secure and leak-proof connection. These connection methods ensure the integrity and durability of the pipeline system.
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Steels Manufacture Building Material Construction from China on Hot Sale
- Ref Price:
-
- 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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