SPIRAL WELDED STEEL PIPE 24'' 26'' 28'' 30'' 32'' 36'' CARBON
- 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 |
Packaging & Delivery
Packaging Detail: | Normal exporting packing,in container or bulk vessel or as per clients' request |
Delivery Detail: | 2 months after confimed contract |
Specifications
Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Grade: X42, X46, X50, X52, X60, B, C
OD: 1.5"-28"
WT: SCH10-SCH160
Brand:TPCO
Large Diameter API 5L X70 PSL2 LSAW Steel Pipe
Specifications:
u Standard: API 5L
u Grade: B, C, X42, X46, X50, X52, X56, X60, X65, X70, X80
u OD: 1.5"-28"
u WT: SCH10-SCH160
u Length: 5-12m
u Ends Finish: plain end, bevel end, grooved end
u Surface Treatment: bare, black varnished, oiled finish, red color, anti-corrosion, 3PE, FBE or epoxy coating
u Technique: hot rolled or cold drawn
u Application: api 5l steel pipe for conveying oil, water, gas
u Invoicing: based on theoretical weight or actual weight
u Payment Terms: L/C at sight, T/T or Western Union
u Trade Terms: FOB, CFR, CIF
u Certification: ABS manufacturing assessment, ABS design assessment, API 5CT, API 5L, DNV manufacturer certificate, ISO9001 quality management system certificate, ISO14001 environment management system certificate, GB/T28001 occupational health and safety management system certificate, A1 class manufacturing license of special equipment certificate, CCS, GL, LR, SGS, TüV, PDE
- Q: How are steel pipes used in the manufacturing of wastewater treatment systems?
- Steel pipes are used in the manufacturing of wastewater treatment systems for various purposes such as carrying and transporting wastewater, providing structural support to the system, and facilitating the flow of water and chemicals throughout the treatment process.
- Q: How do you prevent steel pipes from rusting?
- To prevent steel pipes from rusting, various measures can be taken. One effective method is to apply a protective coating on the surface of the pipes. This can be done using different types of coatings such as paint, epoxy, or zinc. These coatings act as a barrier between the steel and the corrosive environment, preventing moisture and oxygen from coming into direct contact with the metal and causing rust. Another approach is to use corrosion inhibitors. These substances are added to the water or fluid flowing through the pipes to create a protective film on the steel's surface. This film acts as a shield, inhibiting the corrosion process and preventing rust formation. Regular maintenance is crucial in preventing rust on steel pipes. This includes inspecting the pipes for any signs of damage or corrosion and promptly repairing or replacing any compromised areas. Additionally, keeping the pipes clean and dry by removing any accumulated dirt or moisture helps to prevent rust formation. In some cases, it may be beneficial to use stainless steel pipes instead of regular steel. Stainless steel contains chromium, which forms a passive oxide layer on the surface of the metal. This layer acts as a natural barrier against corrosion, making stainless steel pipes highly resistant to rust. Lastly, controlling the environment in which the pipes are installed can also help prevent rust. This can be achieved by maintaining proper ventilation, controlling humidity levels, and avoiding exposure to harsh chemicals or corrosive substances. By implementing these preventive measures, the lifespan and integrity of steel pipes can be significantly extended while minimizing the risk of rust formation.
- Q: How do steel pipes withstand pressure?
- Steel pipes are able to withstand pressure due to their high strength and durability. The material properties of steel, including its tensile strength and resistance to deformation, allow it to withstand the internal forces caused by pressure without experiencing significant distortion or failure. Additionally, the seamless construction of steel pipes ensures that there are no weak points or joints that could compromise their ability to withstand pressure.
- Q: How are steel pipes inspected for compliance with industry standards?
- Steel pipes are inspected for compliance with industry standards through various methods, including visual examination, dimensional measurements, non-destructive testing, and mechanical testing. Trained inspectors carefully inspect the pipes to ensure they meet the required specifications, such as wall thickness, diameter, and surface quality. Non-destructive testing techniques like ultrasonic testing or magnetic particle inspection are used to detect any internal or surface defects. Mechanical tests, such as tensile or bend tests, are performed to evaluate the pipe's strength and ability to withstand pressure. These inspections help ensure that steel pipes meet the necessary industry standards and are fit for their intended use.
- Q: Can steel pipes be used for automotive applications?
- Indeed, automotive applications do involve the utilization of steel pipes. In the automotive industry, steel pipes find frequent application in exhaust systems, fuel lines, and hydraulic systems, among other purposes. The key attributes of steel pipes, such as their remarkable strength, durability, and resistance to corrosion, render them well-suited for enduring the challenging conditions and requirements of automotive applications. Moreover, steel pipes offer the added advantage of being effortlessly shaped and welded, facilitating customization and simplified installation. All in all, steel pipes offer a dependable and economically viable solution for automotive applications.
- Q: What are the different methods of cleaning steel pipes?
- There are several methods of cleaning steel pipes, including mechanical cleaning, chemical cleaning, and high-pressure water jetting. Mechanical cleaning involves the use of brushes, scrapers, or other abrasive tools to remove dirt and debris from the pipe's surface. Chemical cleaning involves the application of solvents or acids to dissolve tough stains or residues. High-pressure water jetting uses a powerful stream of water to dislodge and remove contaminants from the pipe. These methods can be used individually or in combination depending on the specific cleaning requirements.
- Q: How are steel pipes used in the construction industry?
- Steel pipes are extensively used in the construction industry for a wide range of applications. They are primarily used for transporting various fluids and gases, such as water, oil, and natural gas, throughout the construction site or building. Steel pipes are also commonly used as structural elements in the construction of buildings, bridges, and tunnels, providing strength and stability to the structures. Additionally, steel pipes are utilized in the construction of plumbing systems, HVAC (heating, ventilation, and air conditioning) systems, and fire protection systems.
- Q: How do you prevent steel pipes from freezing in cold climates?
- One way to prevent steel pipes from freezing in cold climates is by insulating them. Insulation materials such as foam or fiberglass can be wrapped around the pipes to prevent heat loss and keep them at a stable temperature. Additionally, using heat tape or cables can provide an extra layer of protection by applying low-level heat to the pipes. It is also important to ensure that pipes are properly sealed and any cracks or gaps are sealed to prevent cold air from entering and freezing the pipes.
- Q: How do you measure the thickness of a steel pipe?
- Different methods can be used to measure the thickness of a steel pipe, depending on the required precision and available tools. Here, we present three commonly used approaches: 1. Calipers or Vernier Calipers: These are widely used and straightforward tools for measuring thickness. Place the jaws of the calipers on both sides of the pipe, ensuring they are perpendicular to the surface. Gently close the jaws until they touch the pipe, and then read the measurement on the caliper scale. 2. Ultrasonic Thickness Gauge: This method provides more accurate results and is commonly employed in industrial settings. An ultrasonic thickness gauge emits high-frequency sound waves that penetrate the steel pipe. By measuring the time it takes for the sound waves to bounce back, the gauge calculates the pipe's thickness. Before taking the measurement, ensure that the pipe surface is clean and smooth. 3. Magnetic Thickness Gauge: This method is specifically designed for measuring the thickness of ferrous materials like steel. The gauge incorporates a small magnet that adheres to the pipe surface. By applying a magnetic field, the gauge determines the distance between the magnet and the base plate. This distance corresponds to the thickness of the steel pipe. It is important to consider that each method has its own limitations in terms of accuracy. The choice of measurement technique should be based on the desired precision, availability of tools, and the specific requirements of the application.
- Q: What are the different types of steel pipes available in the market?
- In the market, one can find a variety of steel pipes, each designed for specific purposes and applications. Some of the commonly used types are as follows: 1. Carbon Steel Pipes: These pipes are widely utilized due to their strength and durability. They are primarily employed in industries like oil and gas, construction, and plumbing for fluid and gas transportation. 2. Alloy Steel Pipes: By combining carbon steel with different metals like chromium, nickel, or molybdenum, alloy steel pipes offer enhanced strength, corrosion resistance, and heat resistance. They find applications in high-pressure environments such as power plants and chemical plants. 3. Stainless Steel Pipes: Highly resistant to corrosion and oxidation, stainless steel pipes are suitable for applications requiring hygiene and durability. Industries like food processing, pharmaceuticals, and water treatment commonly use them. 4. Galvanized Steel Pipes: These pipes are coated with a layer of zinc to protect against rust and corrosion. They are commonly found in plumbing systems and structures like fences and handrails. 5. Seamless Steel Pipes: These pipes are manufactured without any welding or joints, resulting in a smooth and continuous surface. They are known for their high strength and are often used in high-pressure applications. 6. Welded Steel Pipes: Made by rolling or bending a flat steel plate into a cylindrical shape and welding the edges together, welded pipes find common usage in construction, oil and gas, and automotive industries. 7. ERW (Electric Resistance Welded) Steel Pipes: ERW pipes are produced by passing a high-frequency electrical current through a steel strip, causing it to heat and form a weld. They are widely utilized in plumbing, water wells, and structural support. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: LSAW pipes are created by bending and welding steel plates into a cylindrical shape. They are commonly employed for long-distance transportation of large volumes of oil, gas, or water. These examples represent only a fraction of the diverse range of steel pipes available in the market. The choice of the appropriate pipe type depends on factors such as the intended application, environmental conditions, and budget constraints. Consulting with experts or professionals is crucial in determining the most suitable steel pipe for a specific project or application.
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SPIRAL WELDED STEEL PIPE 24'' 26'' 28'' 30'' 32'' 36'' CARBON
- 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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