High Quality Hollow Section-Rectangle Tubes
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 5 m.t. m.t.
- Supply Capability:
- Based On Order m.t./month
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High Quality Hollow Section-Square Tubes
Usage/Applications Of High Quality Hollow Section-Square Tubes:
It is widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.
Standard Of High Quality Hollow Section-Square Tubes：
ASTM A500, GB6728
Steel Grade Of High Quality Hollow Section-Square Tubes:
ASTM A500: A, B, C
GB6728：Q195，Q215，Q235，Q345
Size of High Quality High Quality Hollow Section-Square Tubes:
*Remark: Besides below sizes, we also can arrange production based on requirement of customers
|
Sizee(mm) |
Thickness(mm) |
|
20×10 |
0.6-1.0 |
|
25×12 |
0.6-1.0 |
|
38×19 |
0.6-1.5 |
|
50×25 |
0.6-1.5 |
|
50×30 |
1.6-3.0 |
|
60×40 |
1.5-3.5 |
|
75×50 |
1.5-4.0 |
|
80×40 |
1.5-4.0 |
|
100×50 |
2.0-6.0 |
|
100×60 |
2.0-6.0 |
|
100×75 |
2.0-6.0 |
|
120×60 |
3.0-6.0 |
|
120×80 |
3.0-6.0 |
|
125×50 |
3.0-6.0 |
|
125×75 |
3.0-6.0 |
|
150×50 |
3.0-6.0 |
|
150×75 |
3.0-6.0 |
|
150×100 |
4.0-12 |
|
160×80 |
4.0-6.0 |
|
175×100 |
4.0-12 |
|
200×100 |
4.0-12 |
|
200×150 |
4.0-12 |
|
250×150 |
5.0-12 |
|
300×200 |
5.0-12 |
|
400×200 |
5.0-12 |
Chemical Composition Of High Quality Hollow Section-Square Tubes (%)
|
Chemical Requirement | ||||
|
|
Composition % | |||
|
|
Grade A |
Grade B | ||
|
|
Heat |
Product |
Heat |
Product |
|
Element |
analysis |
analysis |
analysis |
analysis |
|
Carbon max |
0.26 |
0.3 |
0.22 |
0.26 |
|
Manganese max |
… |
… |
1.4 |
1.45 |
|
Phosphorus, max |
0.035 |
0.045 |
0.03 |
0.04 |
|
Sulfur max |
0.035 |
0.045 |
0.02 |
0.03 |
|
Copper, when copper steel is specified, min |
0.2 |
0.18 |
0.2 |
0.18 |
|
Where an ellipsis (...)appears in this table, there is no requirement | ||||
|
For each reduction of 0.01 percentage point below the specified maximum for carton, and increase of 0.06 percentage point above the specified maximum for manganese is permitted, up to a maximum of 1.50% by heat analysis and 1.6% by product analysis | ||||
Mechanical Properties Of High Quality Hollow Section-Square Tubes
|
Tensile Requirement | ||
|
|
Grade A |
Grade B |
|
Tensile strength, min, psi (Mpa) |
48000 (400) |
70000 (483) |
|
Yield strength, min, psi (Mpa) |
36000 (250) |
50000 (345) |
|
Elongation in 2 in. (50.8mm), min, % |
23 |
23 |
GB6728：
|
Steel Grade |
CHEMICAL COMPOSITION |
MECHANICAL PROPERTIES | ||||||
|
|
C (%) |
Si (%) |
Mn (%) |
P(%) Max |
S (%) Max |
YS(Mpa) Min |
TS(Mpa) Min |
El (%) Min |
|
Q195 |
0.06-0.012 |
0.3 |
0.25-0.5 |
0.45 |
0.5 |
195 |
315 |
22 |
|
Q215 |
0.09-0.15 |
0.3 |
0.25-0.55 |
0.45 |
0.5 |
215 |
335 |
22 |
|
Q235 |
0.12-0.22 |
0.3 |
0.3-0.7 |
0.45 |
0.45 |
235 |
375 |
20 |
|
Q345 |
0.20 |
0.55 |
1.0-1.6 |
0.45 |
0.45 |
345 |
510 |
21 |
Packaging & Delivery Of H High Quality Hollow Section-Square Tubes:
Packed in bundles, each bundle with 6-8 steel stripes and 2 nylon strips Or one by one Or Nested into Containers
- Q:What is an electric welded pipe (EFW)? Seek help！
- It is through one or several consumable between the electrode and the workpiece on the metal heating the metal between a process with the arc to metal and filler material fully melted, no pressure, filler metal parts work from all electrodes
- Q:What are the factors to consider when selecting the right steel pipe for a specific application?
- There are several factors to consider when choosing the appropriate steel pipe for a particular application. These factors encompass: 1. Compatibility with materials: Ensuring that the steel pipe is compatible with the substance it will transport or contain is crucial. Different materials may necessitate specific types of steel pipes to prevent corrosion or contamination. 2. Pressure and temperature requirements: The pressure and temperature conditions that the steel pipe will face should be taken into account. This will determine the necessary thickness and strength of the pipe to ensure it can withstand the intended operating conditions. 3. Size and dimensions: Selecting the size and dimensions of the steel pipe should be based on the flow rate, volume, and available installation space. It is vital to choose a pipe with the appropriate diameter and wall thickness to prevent flow restrictions or leaks. 4. Environmental conditions: The environment in which the steel pipe will be installed must be considered. Factors such as exposure to moisture, chemicals, or extreme temperatures may necessitate the use of specific coatings or materials to enhance the longevity and durability of the pipe. 5. Cost considerations: The cost of the steel pipe and its installation should be taken into account. Striking a balance between desired quality and available budget is essential to ensure the most cost-effective solution. 6. Regulatory compliance: Depending on the application, there may be specific industry regulations or standards that must be adhered to. Choosing a steel pipe that meets these requirements is important to ensure compliance and avoid any legal or safety issues. 7. Maintenance and lifespan: The maintenance requirements and expected lifespan of the steel pipe should also be considered. Some applications may require regular inspections or replacements, while others may require a more durable and long-lasting pipe. By carefully considering these factors, it is possible to select the appropriate steel pipe for a specific application that meets the desired performance, durability, and safety requirements.
- Q:What are the different types of steel pipe reducers?
- There are several different types of steel pipe reducers that are commonly used in various industrial applications. These reducers are designed to connect pipes of different sizes, allowing for a smooth transition in the flow of fluids or gases. Here are some of the most common types: 1. Concentric Reducers: These reducers have a symmetrical design with a centerline that aligns with the centerline of both the larger and smaller pipes. They provide a gradual reduction in pipe size, ensuring a smooth flow of material. 2. Eccentric Reducers: Unlike concentric reducers, eccentric reducers have an offset centerline. This design is useful when there is a need to prevent the accumulation of air or gases in the piping system. The eccentric reducer helps to direct any gas or air towards a vent or drain point. 3. Welded Reducers: These reducers are made by welding two pipes of different sizes together. They are commonly used in situations where a permanent connection is required. 4. Seamless Reducers: Seamless reducers are manufactured without any welded joints. They are made from a single piece of steel, which enhances their strength and durability. Seamless reducers are often preferred in applications where leak-proof connections are critical, such as in high-pressure or high-temperature environments. 5. Threaded Reducers: These reducers have male and female threads on either end, allowing for easy installation and removal. They are commonly used in low-pressure applications and are an economical choice for systems that require frequent disassembly. 6. Flanged Reducers: Flanged reducers have flanges on both ends, which are bolted together to create a tight seal. They are often used in piping systems that require easy access for maintenance or inspection. Each type of steel pipe reducer has its own advantages and is selected based on the specific requirements of the application. It is important to consider factors such as the type of fluid or gas being transported, pressure and temperature conditions, and the need for easy installation or maintenance when choosing the appropriate reducer for a particular system.
- Q:What is the difference between steel pipe and round steel?
- Making ring parts with steel tubes can improve data application rate, simplify manufacturing process, save data and work hours, such as rolling bearings, rings, Jack sleeves, etc., and have been widely used in steel pipe manufacture.
- Q:How are steel pipes used in the construction of desalination plants?
- Steel pipes are commonly used in the construction of desalination plants for various purposes. They are used to transport water from the intake point to the plant, as well as to distribute the treated water to the storage tanks or other destinations. Steel pipes are also employed in the plant's infrastructure, such as for the installation of pumps, valves, and other equipment. Additionally, steel pipes are utilized for the discharge of brine, which is the concentrated salt solution generated during the desalination process. Overall, steel pipes play a crucial role in ensuring the efficient and reliable operation of desalination plants.
- Q:How do steel pipes handle thermal expansion and contraction?
- Steel pipes handle thermal expansion and contraction by allowing for slight movement and flexibility. When heated, the steel pipe expands, and when cooled, it contracts. To accommodate these changes, expansion joints or loops are often incorporated into the pipe system. These joints or loops allow the pipe to expand and contract without causing stress or damage. Additionally, proper insulation and support are essential to minimize the effects of thermal expansion and contraction on steel pipes.
- 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:What is the production process of seamless steel tube?
- The delivery status of hot-rolled seamless steel tubes is generally hot-rolled and delivered after heat treatment. Hot rolled seamless steel tube after quality inspection after staff strict hand picked in quality inspection should be carried out after the oil surface, followed by cold drawing experiments, hot rolling process should be carried out after the perforation experiment, if perforated expanding too large to carry out straightening correction. After straightening, the device is sent to the flaw detector by the transfer device to carry out the flaw detection experiment. Finally, the label is attached and the specifications are arranged and placed in the warehouse.
- Q:Can steel pipes be used for underwater applications?
- Yes, steel pipes can be used for underwater applications as they are known for their high strength, durability, and corrosion resistance, making them suitable for various underwater environments and industries such as offshore oil and gas, marine construction, and underwater pipelines.
- Q:How are steel pipes used in high-rise buildings?
- Steel pipes are used in high-rise buildings for various purposes, including structural support, plumbing, and HVAC systems. They provide the necessary strength and durability to withstand the weight and forces exerted on tall buildings, while also facilitating the efficient distribution of water, gas, and air throughout the entire structure.
1. Manufacturer Overview |
|
|---|---|
| Location | Hebei, China |
| Year Established | 1988 |
| Annual Output Value | Above One Hundred Million RMB |
| Main Markets | Main land; Southeast Asia; Middle East; Africa |
| Company Certifications | ISO 9002:2010；API 5L |
2. Manufacturer Certificates |
|
|---|---|
| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
|
|---|---|
| a)Trade Capacity | |
| Nearest Port | Tianjin |
| Export Percentage | 30%-50% |
| No.of Employees in Trade Department | 201-500 People |
| Language Spoken: | English; Chinese |
| b)Factory Information | |
| Factory Size: | 50,000 square meters |
| No. of Production Lines | Above 15 |
| Contract Manufacturing | Meicai Metal Trading Co.Ltd |
| Product Price Range | Average |
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High Quality Hollow Section-Rectangle Tubes
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 5 m.t. m.t.
- Supply Capability:
- Based On Order m.t./month
OKorder Service Pledge
OKorder Financial Service
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