SPIRAL STEEL PIPE 58‘‘ ASTM API LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 m.t./month
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Packaging & Delivery
Packaging Detail: | standard export packing or as customer's requirement |
Delivery Detail: | within 10 - 30 days |
Specifications
Spiral Welded Steel Pipes and Tubes
1.Material:Q195-Q235
2.Length:1-12m
3.WT:1.0-14mm
4.O.D.:20-273mm
Spiral Welded Steel Pipes and Tubes
Product Description:
1.Material : Q235,Q345,L245,L290,L360,L415,L450,L485,GrB,X42,46,X52,X56,X60,X65,X70,X80,X100
2,Standard: SY/T5037-2000,GB/T9711-2011,API Spec 5L PSL1/PSL2,ASTM A252\A53,ISO3183,DIN17172,EN10217,JIS G3457,AWWA C200,ASTM A139,ASTM A671,ASTM A672
3.Wall thickness: 3.0mm-30mm
4.Outer diameter: φ168mm-3020mm
5,Length: 5m-12m or as your requirement
6,Corrosion protection standard: DIN30670,DIN30671, AWWAC210, AWWA C203, SY/T0413-2002,SY/T0414-2002
7,Application: Oil, gas, natural gas, water pipe, thermal electricity pipe, steel structure engineering, etc
Q195-q345 Material Steel Pipe's Materials
Elements | Chemical Compsition% | Mechanical Property | ||||||
C% | Mn% | S% | P% | Si% | Yield Point (Mpa) | Tensile Strength(Mpa) | Elongation | |
Q195 | 0.06-0.12 | 0.25-0.50 | <0.050< span=""> | <0.045< span=""> | <0.030< span=""> | >195 | 315-430 | 32-33 |
Q215 | 0.09-0.15 | 0.25-0.55 | <0.05< span=""> | <0.045< span=""> | <0.030< span=""> | >215 | 335-450 | 26-31 |
Q235 | 0.12-0.20 | 0.30-0.70 | <0.045< span=""> | <0.045< span=""> | <0.030< span=""> | >235 | 375-500 | 24-26 |
Q345 | <0.20< span=""> | 1.0-1.6 | <0.040< span=""> | <0.040< span=""> | <0.55< span=""> | >345 | 470-630 | 21-22 |
- Q: Can steel pipes be threaded?
- Yes, steel pipes can be threaded. Threading is a common process used to create a screw-like pattern on the outer surface of the pipe, allowing it to be connected to other fittings or components. Threading can be done manually or with the help of machinery, depending on the size and requirements of the pipe.
- Q: How do you determine the maximum allowable stress for steel pipes?
- In order to establish the maximum allowable stress for steel pipes, several factors must be taken into account. These factors encompass the type of steel, the dimensions of the pipe, and the operating conditions it will be exposed to. To begin with, the type of steel chosen is a pivotal aspect in determining the maximum allowable stress. Different steel grades possess distinct mechanical properties, including yield strength, tensile strength, and elongation. These properties define the steel's capacity to withstand stress before deforming or failing. Hence, it is crucial to comprehend the specific grade of steel employed in the pipes to ascertain the maximum allowable stress. Additionally, the dimensions of the pipe are of utmost importance. The external diameter, wall thickness, and length all impact the pipe's strength and ability to handle stress. By calculating the cross-sectional area and moment of inertia, engineers can evaluate the pipe's resistance to bending and axial stresses. These calculations, combined with the material properties, facilitate the determination of the maximum allowable stress. Finally, the operating conditions under which the pipe will be utilized play a critical role. Variables such as temperature, pressure, and the presence of corrosive substances can significantly influence the maximum allowable stress of a steel pipe. Elevated temperatures can alter the mechanical properties of the steel, while high pressures can induce additional stress. Furthermore, the presence of corrosive substances can lead to material degradation and diminish the pipe's strength. Thus, considering these operational factors is essential when determining the maximum allowable stress. To summarize, the process of establishing the maximum allowable stress for steel pipes entails assessing the specific steel grade, the pipe's dimensions, and the operating conditions. By analyzing these factors, engineers can ensure that the steel pipe is designed and utilized within its safe stress limits.
- Q: How are steel pipes tested for leakage?
- Steel pipes are tested for leakage using various methods, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water or another liquid and subjecting it to high pressure to check for any leaks. Pneumatic testing, on the other hand, involves pressurizing the pipe with air or gas to detect any leakage. Ultrasonic testing utilizes sound waves to identify any defects or leaks in the pipe by measuring the time it takes for the sound waves to bounce back. These testing methods ensure that steel pipes meet the required standards and are free from any leakage.
- Q: How do steel pipes handle ground freezing and thawing?
- Steel pipes are highly resistant to ground freezing and thawing due to their inherent strength and durability. They are designed to withstand extreme temperature variations without significant damage or deformation. Additionally, steel pipes have low thermal conductivity, meaning they do not transfer heat as easily as other materials, allowing them to maintain their structural integrity even in freezing conditions. Thus, steel pipes are an excellent choice for underground infrastructure and can effectively handle ground freezing and thawing.
- Q: Are steel pipes suitable for offshore drilling platforms?
- Yes, steel pipes are suitable for offshore drilling platforms. Steel pipes are known for their high strength, durability, and resistance to corrosion, making them ideal for withstanding the harsh and corrosive marine environment. Additionally, steel pipes have excellent load-bearing capacity and can handle the high pressure and extreme conditions associated with offshore drilling operations.
- Q: What are the different sizes available for steel pipes?
- Steel pipes are available in a wide range of sizes, ranging from small diameter pipes typically used for plumbing purposes, to large diameter pipes used in industrial applications. These sizes can vary significantly depending on the specific requirements and intended use of the pipe, but common sizes include 1/2 inch, 3/4 inch, 1 inch, 2 inch, 4 inch, 6 inch, 8 inch, and 10 inch, among others.
- Q: How are steel pipes used in the manufacturing of food and beverage processing plants?
- Steel pipes are commonly used in the manufacturing of food and beverage processing plants due to their durability, cleanliness, and resistance to corrosion. These pipes are utilized for various purposes such as transporting liquids, gases, and ingredients within the plant. They are also essential for the distribution of water, steam, and other fluids required in the production and cleaning processes. Additionally, steel pipes are used for the installation of equipment, such as pumps and valves, ensuring a safe and efficient operation of the plant.
- Q: Can steel pipes be used for sewage systems?
- Yes, steel pipes can be used for sewage systems. Steel pipes are commonly used in sewage systems due to their durability, strength, and resistance to corrosion. They are particularly suitable for high-pressure applications and can withstand the harsh conditions often found in sewage systems. Additionally, steel pipes are relatively easy to install and maintain, making them a popular choice for sewage infrastructure projects.
- Q: How are steel pipes used in seaport infrastructure?
- Steel pipes are commonly used in seaport infrastructure for various purposes such as constructing piers, wharfs, and docks. They are used for the foundation of these structures, providing stability and strength. Steel pipes are also used in the construction of underwater pipelines for transporting oil, gas, and other fluids. Additionally, they are utilized in the fabrication of fences, barriers, and railings to ensure safety and security within the seaport area.
- Q: What are the different grades of steel used in pipes?
- The different grades of steel used in pipes vary based on their composition and properties. Some common grades include carbon steel (such as ASTM A106 or API 5L), stainless steel (such as ASTM A312 or ASTM A269), and alloy steel (such as ASTM A335). Each grade has specific characteristics that make it suitable for different applications, such as high temperature or corrosive environments.
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SPIRAL STEEL PIPE 58‘‘ ASTM API LARGE DIAMETER PIPE
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 3000 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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