Steels Manufacture Building Material Construction on 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:How are steel pipes connected to other materials like concrete or plastic?
- Various methods are commonly employed to connect steel pipes to other materials such as concrete or plastic. Among these methods, fittings play a significant role. Fittings, specialized components, serve to facilitate the connection between different materials or sections of pipe. These fittings are available in a variety of shapes and sizes, including elbows, tees, reducers, and couplings, and are designed to establish a dependable and leak-proof connection. When it comes to connecting steel pipes to concrete, one method involves the utilization of concrete anchors. These anchors are embedded within the concrete structure and provide a stable foundation for securing the steel pipe. Clamps or brackets are subsequently employed to attach the pipe to the anchor. In the case of joining steel pipes to plastic materials, the use of transition fittings proves to be effective. These fittings are specifically crafted to connect steel pipes with plastic pipes. They typically feature different connection mechanisms on each end, such as threads or compression fittings, enabling a secure and reliable joint. Welding techniques can also be employed to connect steel pipes to other materials in certain situations. Welding involves melting the ends of the steel and the other material together to create a robust joint. This method is commonly utilized for connecting steel pipes to steel structures or components. In summary, the connection of steel pipes to materials like concrete or plastic necessitates the utilization of specialized fittings, anchors, or welding techniques. These methods guarantee a secure, long-lasting connection capable of withstanding the demands of the given application.
- Q:How do you determine the required wall thickness for steel pipes?
- The required wall thickness for steel pipes is determined through various factors and calculations. One of the primary considerations is the pressure that the pipe will be subjected to. The higher the pressure, the thicker the wall needs to be to ensure the pipe can withstand the internal forces. Another important factor is the material strength of the steel used for the pipe. Different grades of steel have varying tensile strengths, which affect the required wall thickness. The tensile strength is the maximum amount of stress a material can withstand before it fails, so it is crucial to select a steel grade that can handle the expected pressure. Additionally, the pipe's diameter plays a role in determining the required wall thickness. Larger diameter pipes generally require thicker walls to maintain structural integrity and prevent deformation under pressure. To calculate the required wall thickness, engineers use industry standards and formulas. The most commonly used standard is the American Society of Mechanical Engineers (ASME) B31 code, which provides guidelines for designing pressure piping systems. The ASME code incorporates factors such as safety margins, material properties, and pressure ratings to determine the appropriate wall thickness. Furthermore, other considerations such as temperature, corrosion, and external loads may also influence the required wall thickness. For example, high-temperature applications may require thicker walls to prevent the pipe from buckling or becoming too soft. In summary, determining the required wall thickness for steel pipes involves considering factors such as pressure, material strength, diameter, temperature, and other external forces. Engineers rely on industry standards and calculations to ensure the pipe can withstand the intended operating conditions safely.
- Q:What is the difference between hot-rolled and cold-rolled steel pipes?
- Hot-rolled steel pipes are produced at high temperatures and have a rougher surface finish. They are known for their flexibility and are often used in applications that require bending or shaping. On the other hand, cold-rolled steel pipes are produced at lower temperatures and undergo additional processing to achieve a smoother surface finish. They are generally stronger and more precise in dimensions, making them suitable for applications that require high precision and strength.
- Q:What does "SC50" steel pipe mean in civil engineering?
- Welded steel pipe refers to the use of steel or steel plate bending deformation into a round, square and other shapes after welding into the surface of the joint of the steel pipe. The blank used in welded steel pipe is steel or strip steel.
- Q:Are steel pipes suitable for structural purposes?
- Yes, steel pipes are suitable for structural purposes. They are known for their high strength, durability, and resistance to various environmental conditions, making them ideal for use in constructing buildings, bridges, and other infrastructure projects. Additionally, steel pipes are versatile and can be easily modified and connected to meet specific structural requirements.
- Q:How are steel pipes used in firefighting systems?
- Steel pipes are used in firefighting systems to transport water or other fire-suppressing agents from a water source to the location of a fire. These pipes are durable and resistant to heat, making them suitable for carrying large volumes of water at high pressure to extinguish fires effectively. Additionally, steel pipes are often used for underground or overhead fire hydrant systems, sprinkler installations, and standpipe systems in buildings to ensure a reliable and efficient firefighting infrastructure.
- Q:Can steel pipes be used in extremely cold temperatures?
- Yes, steel pipes can be used in extremely cold temperatures. Steel is known for its strength and durability, making it suitable for various applications, including in extreme cold weather conditions. Steel pipes have a high resistance to low temperatures and can withstand the effects of freezing temperatures without losing their structural integrity. This makes them ideal for use in industries such as oil and gas, where they are exposed to sub-zero temperatures. Additionally, steel pipes can be insulated or coated to provide further protection against the cold and prevent any potential issues, such as freezing or cracking. Overall, steel pipes are a reliable choice for use in extremely cold temperatures.
- Q:Can steel pipes be used for underground drainage in acidic soils?
- Steel pipes can be used for underground drainage in acidic soils, but it is important to consider certain factors. Acidic soils can cause corrosion in steel pipes, leading to weakening and potential failure over time. To mitigate this risk, it is advisable to use galvanized steel pipes that are treated with a protective coating to resist corrosion. Additionally, regular inspection and maintenance should be carried out to identify and address any signs of corrosion or deterioration. It is also worth considering alternative materials such as PVC or HDPE pipes, which are more resistant to corrosion in acidic environments. Ultimately, the choice of material should be based on a thorough assessment of the soil conditions, the expected lifespan of the drainage system, and the budgetary constraints.
- Q:How are steel pipes classified according to their wall thickness?
- Steel pipes are classified according to their wall thickness into three categories: schedule, standard, and extra strong.
- Q:What are the different end types for steel pipes?
- There are several different end types for steel pipes, including plain ends, beveled ends, threaded ends, and grooved ends. Plain ends are smooth and do not have any special features. Beveled ends are cut at an angle to facilitate welding. Threaded ends have threads that allow for easy installation with other fittings. Grooved ends have grooves that enable quick and secure connections using couplings.
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Send your message to us
Steels Manufacture Building Material Construction on 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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