Rectangle Tube ASTM A500 20*10-400*200 Hollow Section
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
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1.Specification of Rectangle Tube ASTM A500 20*10-400*200 Hollow Section
1) Application: Widely used in building, machine, chemical equipment, automobile industrial, container, it is also applied to agriculture and mine machine.
2) Standard: ASTM A500, GB6728
3) Steel grade: ASTM A500: A, B, C; GB6728:Q195,Q215,Q235,Q345
2. Size of Rectangle Tube ASTM A500 20*10-400*200 Hollow Section
Size(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 |
*Remark: Besides below sizes, we also can arrange production based on requirement of customers
3. Packing& Delivery
Packing Detail: Each in a PVC bag, bundle with knitted plastic bag, wooden case or according to customers' request
Delivery Time: 20-30 days upon receving prepayment or L/C
4. Data Sheet
Standard: ASTM A500
Chemical Requirement | ||||
Composition % | ||||
Grade A |
Grade B | |||
Element |
Heat analysis |
Product analysis |
Heat analysis |
Product 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 |
0.20 |
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 |
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 |
5. Products Showroom
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- Q: How do you determine the maximum allowable stress for a steel pipe?
- To determine the maximum allowable stress for a steel pipe, several factors need to be considered. Firstly, the type of steel used in the pipe is crucial as different types of steel have different mechanical properties and strengths. Secondly, the dimensions and thickness of the pipe play a significant role in determining its maximum allowable stress. Thicker pipes generally have higher allowable stresses compared to thinner ones. Additionally, it is important to consider the operating conditions under which the pipe will be subjected. This includes factors such as the temperature, pressure, and the type of fluid flowing through the pipe. These conditions can greatly affect the maximum allowable stress as high temperatures or corrosive fluids may weaken the steel and reduce its strength. To determine the maximum allowable stress, engineers typically refer to industry standards and codes such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code and the American Petroleum Institute (API) standards. These standards provide guidelines and formulas for calculating the maximum allowable stress based on the material properties, dimensions, and operating conditions of the pipe. It is important to note that determining the maximum allowable stress is a critical step in ensuring the structural integrity and safety of the steel pipe. It requires a thorough understanding of the materials, design considerations, and industry standards. Therefore, it is recommended to consult with experienced engineers or professionals who specialize in piping design and analysis to accurately determine the maximum allowable stress for a steel pipe.
- Q: How do steel pipes perform in high-temperature environments?
- Steel pipes perform well in high-temperature environments due to their excellent heat resistance and thermal conductivity. The strength and structural integrity of steel pipes remain largely unaffected, making them ideal for applications such as steam lines, boiler tubes, and high-temperature industrial processes.
- Q: What are the different end finishes for steel pipes?
- There are several different end finishes for steel pipes, depending on their intended use and the specific requirements of the application. Some of the most common end finishes for steel pipes include: 1. Plain End: This is the simplest and most common type of end finish, where the pipe is cut square at both ends without any additional treatment or threading. Plain end pipes are typically used for low-pressure applications or when the pipe will be connected using welding methods. 2. Beveled End: A beveled end finish involves cutting the pipe at an angle, usually 30 or 37.5 degrees, to facilitate easier welding and create a stronger joint. Beveled end pipes are commonly used for butt-welding applications, where two pipes are joined together by aligning the beveled ends and welding them. 3. Threaded End: In this end finish, the pipe is threaded at both ends to allow for easy connection with threaded fittings or couplings. Threaded end pipes are commonly used in plumbing and gas distribution systems, as well as for applications that require frequent disassembly and reassembly. 4. Coupled End: Coupled end finishes involve the installation of couplings or connectors at each end of the pipe. This allows for quick and easy connection of pipes without the need for additional threading or welding. Coupled end pipes are often used in oil and gas pipelines or in applications where rapid installation is required. 5. Grooved End: A grooved end finish involves cutting grooves into the pipe's ends and using mechanical couplings or fittings to join the pipes together. This type of end finish is commonly used in fire protection systems, as well as for large-diameter pipes that require quick and efficient assembly. 6. Flanged End: Flanged end finishes involve attaching flanges to the pipe ends, which can be bolted together to create a secure and leak-proof connection. Flanged end pipes are commonly used in applications that require easy disassembly and reassembly, such as in chemical plants or refineries. It is important to note that the choice of end finish for a steel pipe depends on factors such as the application, the required joint strength, the type of connection method, and the compatibility with other system components. Consulting with a professional or referring to industry standards is recommended to ensure the correct end finish is selected for a specific application.
- Q: Can steel pipes be used for heating and cooling systems?
- Yes, steel pipes can be used for heating and cooling systems. Steel pipes are commonly used in HVAC (heating, ventilation, and air conditioning) systems due to their durability, strength, and resistance to high temperatures. They are especially suitable for transporting hot water or steam for heating purposes and can also handle the circulation of chilled water for cooling systems.
- Q: D108*4 what does "D108" mean by seamless steel tubes? What does "*4" mean?
- Seamless steel pipe: a pipe with a hollow cross section, used as a conduit for transporting fluids, such as pipelines for transporting petroleum, natural gas, gas, water, and certain solid materials. Compared withsteel and roundsteelinsolid, flexural torsional strength in the same time, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as the oil pipe, automobile transmission shaft, the bicycle frame and steel construction with scaffold with steel pipe manufacturing ring parts can be improved the utilization rate of materials, simplify the manufacturing process, material saving and working hours, has been widely used to manufacture steel tube.
- Q: How are steel pipes tested for leaks?
- Steel pipes can be tested for leaks using various methods, including hydrostatic testing, pneumatic testing, and using leak detection equipment such as ultrasonic testing or helium testing.
- Q: Can steel pipes be used for underground fuel storage tanks?
- Underground fuel storage tanks can indeed utilize steel pipes. These pipes find wide application in various fields, including underground fuel storage tanks. Their strength, durability, and resistance to corrosion enable them to serve as suitable long-term storage options for fuels like gasoline, diesel, and oil. Moreover, the weldability of steel pipes allows for the creation of seamless and secure tank structures. Nevertheless, it is crucial to ensure that the steel pipes employed in underground fuel storage tanks are appropriately coated with corrosion-resistant materials. This precautionary measure shields the pipes from potential damage that may arise due to exposure to moisture or the chemicals present in the fuel. Consistent inspection and maintenance procedures are also imperative to uphold the tank's integrity and avert leaks or environmental hazards.
- Q: How are steel pipes used in plumbing?
- Steel pipes are commonly used in plumbing systems to transport water, gas, and waste materials. They are durable, strong, and resistant to corrosion, making them suitable for both residential and commercial plumbing applications. Steel pipes are typically used for water supply lines, drainage systems, and venting pipes, ensuring efficient and reliable plumbing infrastructure.
- Q: What are the different methods of pipe joining using steel pipes?
- There are several methods of pipe joining using steel pipes, each with its own advantages and disadvantages. 1. Threaded and coupled: This method involves threading the ends of the steel pipes and using couplings to connect them. It is a simple and cost-effective method, but it is not suitable for high-pressure or gas applications. 2. Welding: Welding is a popular method for joining steel pipes. It involves heating the ends of the pipes and fusing them together using a welding process. This method creates a strong and leak-proof joint, but it requires skilled labor and can be time-consuming. 3. Grooved: In this method, the ends of the steel pipes are grooved and then connected using mechanical couplings or fittings. It is a quick and reliable method, suitable for both high-pressure and low-pressure applications. However, it requires specialized tools and equipment. 4. Flanged: Flanged joints involve connecting steel pipes using flanges, which are flat discs with bolt holes. The pipes are aligned and bolted together using gaskets to create a secure connection. This method is commonly used for large-diameter pipes and high-pressure applications, but it can be expensive and time-consuming to install. 5. Compression: Compression fittings are used to join steel pipes by compressing a ferrule or sleeve against the pipe. This method is quick, easy, and requires no special tools. However, it is not suitable for high-pressure or high-temperature applications. 6. Brazing: Brazing involves heating the ends of the steel pipes and melting a filler material between them to form a joint. It is a reliable method for joining pipes in HVAC and refrigeration systems, but it requires skilled labor and careful temperature control. It is important to consider the specific requirements of the application, such as pressure, temperature, and material compatibility, when selecting the appropriate method of pipe joining using steel pipes.
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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Rectangle Tube ASTM A500 20*10-400*200 Hollow Section
- Loading Port:
- Tianjin Port
- Payment Terms:
- TT or L/C
- Min Order Qty:
- 50MT m.t.
- Supply Capability:
- based on order m.t./month
OKorder Service Pledge
OKorder Financial Service
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