Steels Manufacture Building Material Construction with Good Quality
- 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 protected against rusting?
- Steel pipes are protected against rusting through various methods such as galvanization, applying protective coatings, or utilizing corrosion-resistant alloys.
- Q: Are steel pipes suitable for potable water supply?
- Yes, steel pipes are suitable for potable water supply. They are durable, resistant to corrosion, and can handle high water pressure, making them a reliable choice for transporting drinking water.
- Q: How do you calculate the buoyancy of submerged steel pipes?
- To calculate the buoyancy of submerged steel pipes, you need to consider the principle of Archimedes' buoyancy. This principle states that the buoyant force acting on an object submerged in a fluid is equal to the weight of the fluid displaced by the object. To calculate the buoyant force, you need to determine the volume of the fluid displaced by the submerged steel pipe. The volume can be calculated by multiplying the cross-sectional area of the pipe by the length of the submerged portion. Next, you need to determine the density of the fluid in which the steel pipe is submerged. This can be obtained from the fluid's properties or by referring to known values. Once you have the volume and density of the fluid, you can determine the weight of the fluid displaced by the submerged pipe using the equation: weight = volume × density × acceleration due to gravity. Finally, the buoyant force can be calculated by multiplying the weight of the displaced fluid by the acceleration due to gravity. This will give you the upward force exerted on the submerged steel pipe by the fluid. It is important to note that in order to accurately calculate the buoyancy of submerged steel pipes, you should also consider any additional factors such as the weight of the pipe itself, any attached equipment or coatings, and the specific conditions of the fluid in which it is submerged.
- Q: What are the different methods of insulation for steel pipes?
- There are several methods of insulation for steel pipes, including foam insulation, fiberglass insulation, mineral wool insulation, and polyurethane insulation. These methods help to prevent heat loss or gain, protect against corrosion, and reduce condensation on the pipes.
- Q: What is the typical diameter range of steel pipes?
- The typical diameter range of steel pipes can vary widely, but it commonly falls between 0.5 inches to 48 inches.
- Q: How are steel pipes classified based on their diameter?
- Steel pipes can be classified based on their diameter into various categories. The most common classification system for steel pipes is based on the nominal pipe size (NPS). NPS is a North American set of standard sizes that are used to designate the diameter of a pipe. It is expressed in inches and represents the approximate inside diameter (ID) of the pipe. Steel pipes are typically classified into three main categories based on their diameter: small bore, medium bore, and large bore. Small bore pipes typically have NPS of 2 inches and below, medium bore pipes have NPS between 2 and 24 inches, and large bore pipes have NPS greater than 24 inches. In addition to the NPS classification, steel pipes can also be classified based on their actual outside diameter (OD). This classification is used to determine the compatibility of pipes with fittings and other components. The OD classification is usually expressed in inches or millimeters. Overall, the classification of steel pipes based on their diameter provides a standardized system for easy identification and selection of pipes for various applications. It helps in ensuring compatibility, efficient installation, and effective functioning of piping systems in different industries such as construction, oil and gas, plumbing, and more.
- Q: What are the different surface finishes available for steel pipes?
- There are several different surface finishes available for steel pipes, including mill finish, hot-dip galvanized, black oxide, epoxy coating, and powder coating.
- Q: What is the lifespan of steel pipes?
- The lifespan of steel pipes can vary depending on various factors such as the quality of the steel used, the environment in which they are installed, and the maintenance and care given to them. However, generally speaking, steel pipes can have a lifespan ranging from 20 to 100 years or even longer if properly maintained and protected against corrosion.
- Q: What are the common welding techniques used for steel pipes?
- The common welding techniques used for steel pipes include Shielded Metal Arc Welding (SMAW or stick welding), Gas Metal Arc Welding (GMAW or MIG welding), Flux-Cored Arc Welding (FCAW), and Gas Tungsten Arc Welding (GTAW or TIG welding).
- Q: What are the environmental impacts of steel pipe manufacturing?
- The environmental impacts of steel pipe manufacturing include the extraction and mining of raw materials, such as iron ore and coal, which can lead to habitat destruction and pollution. The steel production process consumes significant amounts of energy and releases greenhouse gases, contributing to climate change. Additionally, the production of steel pipes involves the use of chemicals and toxic substances, which can contaminate water sources and harm ecosystems. Proper waste management and the adoption of sustainable practices can help mitigate these impacts.
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Steels Manufacture Building Material Construction with Good Quality
- 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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