Steels Manufacture Building Material with from China

Steels Manufacture Building Material with from China System 1

Steels Manufacture Building Material with from China

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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 (%)
Grade	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

Steels Manufacture Building Material with from China

Q: How are steel pipes used in the construction of offshore platforms?: Steel pipes are used in the construction of offshore platforms primarily for their strength and durability. These pipes serve various purposes such as transporting fluids, providing structural support, and enabling the installation of essential equipment. They are commonly used for the fabrication of underwater pipelines, risers, and conductor casings, ensuring efficient and reliable operations in harsh marine environments.

Q: How are steel pipes coated for aesthetic purposes?: Steel pipes can be coated for aesthetic purposes in several ways. One common method is through the application of a powder coating. Powder coating involves spraying a dry powder onto the surface of the steel pipe and then heating it to create a durable and attractive finish. This process allows for a wide range of color options and provides a smooth, even coating. Another method used for aesthetic coating is electroplating. Electroplating involves immersing the steel pipe in a solution containing metal ions, such as chrome or zinc, and passing an electric current through it. This causes the metal ions to bond with the surface of the pipe, creating a thin, decorative layer. Electroplating can produce a variety of finishes, including shiny, reflective surfaces or more matte, textured appearances. Painting is also a common method for coating steel pipes for aesthetic purposes. This involves applying a liquid paint or enamel to the surface of the pipe. By choosing different colors, textures, and finishes, painting allows for a wide range of aesthetic possibilities. However, it is important to ensure that the paint used is specifically formulated to adhere to metal surfaces and withstand the environmental conditions the pipe will be exposed to. In addition to these methods, steel pipes can also be coated using techniques such as hot-dip galvanizing or metal cladding. These processes involve the application of a layer of another metal, such as zinc or aluminum, to the surface of the steel pipe. This not only enhances the appearance of the pipe but also provides protection against corrosion, extending its lifespan. Overall, there are multiple methods available for coating steel pipes for aesthetic purposes. Each method offers its own advantages and can be chosen based on the desired appearance, durability, and environmental conditions. It is important to consider factors such as color, texture, finish, and protective properties when selecting the coating method to ensure the desired aesthetic result is achieved.

Q: Can steel pipes be used for underground fire sprinkler systems?: Underground fire sprinkler systems can indeed utilize steel pipes. The reason for their frequent usage in fire sprinkler systems is because of their robustness, endurance, and ability to withstand heat and corrosion. They prove to be suitable for underground installations as they guarantee a dependable and long-lasting performance. Moreover, steel pipes come in a variety of sizes and configurations, allowing for flexibility in the design and installation of underground fire sprinkler systems. Nevertheless, it is crucial to ensure that the steel pipes are properly coated or protected to prevent corrosion and maintain their effectiveness in an underground setting. Regular inspections and maintenance are also imperative in order to identify any potential issues or damages to the steel pipes, thus preserving the safety and functionality of the fire sprinkler system.

Q: How are steel pipes used in the construction of buildings?: Steel pipes are commonly used in the construction of buildings for various purposes. They are primarily used for structural support, providing stability and strength to the overall framework. Steel pipes are also used for plumbing systems, carrying water and other fluids throughout the building. Additionally, they are used for HVAC (heating, ventilation, and air conditioning) systems, allowing for efficient distribution of air. Overall, steel pipes play a crucial role in ensuring the durability, functionality, and safety of buildings.

Q: What is the maximum allowable pressure for steel pipes?: Various factors, such as the type of steel used, the pipe's diameter and thickness, and specific industry requirements, determine the maximum pressure allowed for steel pipes. The American Society of Mechanical Engineers (ASME) offers guidelines and standards for pressure vessel and piping design, which include determining the maximum allowable pressure. For power piping and process piping, ASME B31.1 and B31.3 are commonly used codes, respectively. These codes establish design criteria for different materials, including steel, and provide formulas and charts to calculate the maximum allowable pressure for different pipe sizes and wall thicknesses. The maximum allowable pressure is typically determined based on the pipe's ability to withstand internal pressure without experiencing permanent deformation or failure. It is important to consider other factors, such as temperature, corrosion, and the presence of external loads or stresses, as they may also impact the maximum allowable pressure for steel pipes. Therefore, it is essential to refer to the relevant codes, standards, and engineering calculations specific to the application to ensure the safe and reliable operation of steel pipes under the given conditions.

Q: What are the different methods of pipe repair for steel pipes?: There are several different methods of pipe repair for steel pipes, depending on the severity and location of the damage. Here are some of the most common methods: 1. Welding: This is a common method used for repairing steel pipes, especially when the damage is localized. The damaged section of the pipe is cut out, and a new piece of pipe is welded in its place. The weld is then inspected to ensure its strength and integrity. 2. Pipe wrapping: This method involves wrapping a layer of fiberglass or epoxy around the damaged section of the pipe. The wrap is applied tightly and securely to provide structural reinforcement and prevent further leakage or corrosion. 3. Pipe lining: This technique involves inserting a flexible liner into the damaged pipe. The liner is made of materials such as epoxy, PVC, or cured-in-place pipe (CIPP). Once inserted, the liner is inflated or heated to conform to the shape of the pipe, creating a new inner surface that is resistant to corrosion and leakage. 4. Slip lining: Similar to pipe lining, slip lining involves inserting a smaller diameter pipe into the damaged pipe. The smaller pipe acts as a protective sleeve, providing structural reinforcement and preventing further deterioration of the original pipe. 5. Pipe bursting: This method is used when the damage to the pipe is extensive. A new pipe is pulled through the damaged one, using a hydraulic or pneumatic system. As the new pipe is pulled through, it bursts the old pipe, creating a larger diameter pipe with minimal disruption to the surrounding area. 6. Clamp or sleeve repair: In cases where the damage is small and localized, a clamp or sleeve can be used to provide a temporary or permanent fix. The clamp or sleeve is placed over the damaged section and tightened securely to prevent leakage. It is important to note that the best method of pipe repair for steel pipes depends on various factors such as the extent of damage, accessibility, cost, and structural requirements. Consulting with a professional pipe repair specialist or engineer is recommended to determine the most suitable method for your specific situation.

Q: How are steel pipes used in the manufacturing of bridges?: Steel pipes are commonly used in the manufacturing of bridges for various purposes such as the construction of bridge piers, support columns, and structural elements. These pipes provide strength, durability, and flexibility to withstand heavy loads and harsh environmental conditions. They are often used to create the framework and support systems of the bridge, ensuring stability and longevity. Additionally, steel pipes may be used for the transportation of fluids, such as water or gas, across the bridge.

Q: Can steel pipes be used for conveying gases?: Yes, steel pipes can be used for conveying gases. Steel pipes are widely used in industrial applications for transporting various gases, including natural gas, propane, and other types of gases. Steel pipes have excellent strength and durability, making them suitable for carrying gases at high pressures and temperatures. Additionally, steel pipes have a high resistance to corrosion, which is crucial when dealing with gases that can be corrosive.

Q: Can steel pipes be used for conveying hazardous materials?: Yes, steel pipes can be used for conveying hazardous materials due to their high strength and resistance to corrosion.

Q: Can steel pipes be used for conveying liquids and gases?: Yes, steel pipes can be used for conveying both liquids and gases. They are commonly used in industries such as oil and gas, water supply, and sewage systems due to their durability, strength, and resistance to corrosion.

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