Steels Manufacture Building Material with Good Quality from China
- 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: How are steel pipes used in natural gas processing plants?
- Steel pipes are used extensively in natural gas processing plants for various purposes, including the transportation of natural gas, the transfer of various fluids, and the construction of pipelines and infrastructure. These pipes are highly durable, resistant to corrosion, and can withstand high pressure, making them ideal for safely transporting natural gas and other substances throughout the facility.
- Q: Are steel pipes resistant to ultraviolet (UV) radiation?
- Steel pipes are not inherently resistant to ultraviolet (UV) radiation. UV radiation can cause degradation and discoloration of certain materials, including steel. However, the extent of the damage depends on various factors such as the type of steel, the duration and intensity of exposure to UV radiation, and the presence of protective coatings or finishes on the steel pipes. In general, uncoated steel pipes are more susceptible to UV radiation damage compared to pipes that have been treated with protective coatings or finishes. These coatings, such as epoxy or polyethylene, provide a barrier against UV radiation and help to prevent the degradation and discoloration of the steel. Therefore, it is important to consider the specific application and environment when choosing steel pipes and implementing appropriate protective measures to ensure their longevity and performance.
- Q: What are the factors that affect the lifespan of steel pipes in different environments?
- The factors that affect the lifespan of steel pipes in different environments include the pH level of the surrounding soil or water, presence of corrosive chemicals, humidity and moisture levels, exposure to extreme temperatures, mechanical stress or pressure, and the quality of protective coatings or corrosion inhibitors applied to the pipes.
- Q: How are steel pipes measured and sized?
- Steel pipes are measured and sized based on their outer diameter (OD) and wall thickness. The OD is the measurement of the outer circumference of the pipe, while the wall thickness refers to the thickness of the pipe's walls. These two measurements are essential in determining the size of steel pipes, which are commonly categorized using nominal pipe size (NPS) or nominal diameter (DN). NPS is a North American standard, while DN is an international standard. The sizing process ensures uniformity and facilitates compatibility with fittings and other pipeline components.
- Q: 25 of the steel pipe with 6 in charge of what is the difference?
- 25 of the steel pipe with 6 in charge of the difference:25 of the steel pipe refers to the DN25 tube, the outer diameter of 25mm; 6, in charge of refers to DN20 steel pipe, the outer diameter is 20mm.
- Q: What are the different types of coatings used for external protection of steel pipes?
- There are several types of coatings used for external protection of steel pipes. Some common ones include epoxy coatings, polyethylene coatings, coal tar coatings, and fusion bonded epoxy coatings. Each type of coating offers specific benefits and is chosen based on factors such as the environment, type of exposure, and desired level of protection.
- Q: How are steel pipes used in the manufacturing of geothermal systems?
- Steel pipes are used in the manufacturing of geothermal systems primarily for their strength, durability, and resistance to corrosion. These pipes are used to transport fluid, typically water or a water-based solution, from the geothermal source to the surface, where it can be utilized for heating or electricity generation. The high tensile strength of steel pipes allows them to withstand the high pressure and temperature conditions typically found in geothermal systems. Additionally, steel pipes are resistant to corrosion, which is important in preventing leaks and maintaining the efficiency of the system over its lifespan.
- Q: What is the difference between seamless and welded steel pipes?
- The main difference between seamless and welded steel pipes lies in their manufacturing process. Seamless pipes are made by piercing a solid cylindrical steel billet to create a hollow tube without any welding or joints. On the other hand, welded pipes are formed by rolling a flat steel plate and then welding the edges together to create a cylindrical shape. This welding process introduces a seam along the length of the pipe. Consequently, seamless pipes are typically considered stronger, more reliable, and better suited for high-pressure applications, while welded pipes are more cost-effective and commonly used for less demanding applications.
- Q: What are the factors to consider when selecting a steel pipe for a specific application?
- When selecting a steel pipe for a specific application, several factors need to be considered. These include the type of fluid or gas being transported, the pressure and temperature conditions, the size and dimensions required, the desired corrosion resistance, and the overall budget for the project. It is also crucial to assess the pipe's material properties, such as its strength, ductility, and toughness, to ensure it can withstand the operational demands of the application. Additionally, factors like the pipe's manufacturing process, compatibility with joining methods, and any specific industry standards or regulations should be taken into account.
- Q: How are steel pipes protected against rust?
- Steel pipes are protected against rust through a variety of methods. One common method is by applying a protective coating to the pipes. This can be done by using a layer of paint, epoxy, or a corrosion-resistant coating such as zinc or galvanized coatings. These coatings act as a barrier between the steel and moisture, preventing the formation of rust. Another method of protecting steel pipes against rust is by using cathodic protection. This involves the use of sacrificial anodes, typically made of zinc or magnesium, which are attached to the steel pipes. These anodes corrode instead of the steel, sacrificing themselves and preventing rust formation on the pipes. In addition to coatings and cathodic protection, steel pipes can also be protected against rust by using corrosion inhibitors. Corrosion inhibitors are chemicals that are added to the water or fluid flowing through the pipes. These chemicals form a protective film on the surface of the steel, inhibiting the corrosion process and preventing rust from forming. Regular maintenance and inspections are also crucial in protecting steel pipes against rust. Any signs of damage or wear on the protective coatings should be addressed promptly to prevent rust from developing. Additionally, ensuring that the pipes are properly cleaned and dried before applying any protective coatings can also help in enhancing their effectiveness. Overall, a combination of protective coatings, cathodic protection, corrosion inhibitors, and regular maintenance is employed to ensure that steel pipes are effectively protected against rust and corrosion, prolonging their lifespan and maintaining their structural integrity.
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Steels Manufacture Building Material with Good Quality from China
- 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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