SPIRAL STEEL PIPE48‘‘50’‘ 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: What is the difference between steel pipes and PVC-O pipes?
- Steel pipes and PVC-O pipes differ in their composition, strength, and durability. Steel pipes are made from a combination of iron and carbon, making them extremely strong and resistant to high-pressure applications. However, they are susceptible to corrosion and may require regular maintenance. On the other hand, PVC-O pipes are made from a specialized form of polyvinyl chloride, which enhances their strength and durability while being corrosion-resistant. PVC-O pipes are also lighter, easier to install, and have a longer lifespan compared to steel pipes. Overall, while steel pipes excel in strength, PVC-O pipes offer a more cost-effective and durable solution for various plumbing and industrial applications.
- Q: Can steel pipes be used for conveying sewage and wastewater?
- Yes, steel pipes can be used for conveying sewage and wastewater. Steel pipes are commonly used in sewage and wastewater systems due to their durability and strength. They are resistant to corrosion and can withstand high pressure and flow rates. Additionally, steel pipes are able to handle the harsh chemicals and contaminants present in sewage and wastewater without deteriorating or affecting the quality of the conveyed fluids. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential corrosion or contamination issues. Regular maintenance and inspections are also necessary to identify and address any potential issues that could arise in the system.
- Q: How are steel pipes used in the construction of geothermal power plants?
- Steel pipes are used in geothermal power plants for various purposes, including the transport of geothermal fluids from the underground reservoir to the surface, the distribution of these fluids within the plant, and the construction of the plant's infrastructure, such as the well casing and steam piping.
- Q: What is the creep resistance of steel pipes?
- The creep resistance of steel pipes refers to their ability to withstand deformation or strain under long-term exposure to high temperatures and constant stress. Steel pipes exhibit good creep resistance due to their high melting point and structural integrity, making them suitable for applications that involve elevated temperatures and prolonged use.
- Q: How are steel pipes used in the construction of bridges?
- Steel pipes are commonly used in the construction of bridges as they provide structural support and stability. They are often used as piers or columns to bear the weight of the bridge deck and transfer the load to the foundation. Additionally, steel pipes are used for the construction of bridge railings and barriers, providing safety for pedestrians and vehicles. Overall, steel pipes offer durability, strength, and flexibility, making them an essential component in bridge construction.
- Q: How do you calculate the flow velocity in a steel pipe?
- To calculate the flow velocity in a steel pipe, you need to consider the principles of fluid mechanics and apply relevant equations. The most commonly used equation to calculate flow velocity is the Bernoulli equation, which relates the pressure, velocity, and elevation of a fluid. First, you need to determine the volumetric flow rate (Q) of the fluid passing through the pipe. This can be done by measuring the mass flow rate (m) or the volumetric flow rate directly using a flow meter. Once you have the volumetric flow rate, you can proceed with calculating the flow velocity (V). The flow velocity (V) is obtained by dividing the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r is the radius of the pipe. Therefore, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A Keep in mind that this calculation assumes an ideal flow condition and does not account for any frictional losses or other factors that may affect the flow. In real-world scenarios, it is essential to consider additional factors like pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of flow velocity.
- Q: Can steel pipes be used for underground fire protection systems?
- Yes, steel pipes can be used for underground fire protection systems. Steel pipes are commonly used in these systems due to their durability, strength, and resistance to fire. They can effectively withstand high temperatures and provide reliable and long-lasting protection against fire hazards in underground environments.
- Q: What place must use galvanized steel pipe to make lighting line?
- Galvanized pipe for pipeline laying construction and transformation of lighting, power, telephone, fire protection system in the engineering (made of galvanized steel), for laying, laying can be laid in the dark, the wall can also be installed on the ceiling.
- Q: How do steel pipes handle chemical substances?
- Steel pipes are highly resistant to chemical substances due to their durability and corrosion resistance. The smooth interior surface of steel pipes prevents the accumulation of chemical deposits, ensuring minimal reaction with the substances being transported. Additionally, steel pipes can be coated or lined with protective materials to further enhance the resistance against specific chemicals, making them a reliable choice for handling various chemical substances.
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SPIRAL STEEL PIPE48‘‘50’‘ 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
OKorder Financial Service
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