API SSAW LSAW CARBON STEEL PIPE LINE OIL GAS PIPE 18’‘
- 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
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 construction of dams and water reservoirs?
- Steel pipes are used in the construction of dams and water reservoirs primarily for their strength and durability. They are commonly used to transport water within the dam or reservoir, as well as for drainage systems. Steel pipes are also utilized for the construction of intake and outlet structures, penstocks, and other components that require a robust and reliable material to withstand the high pressure and heavy loads associated with dam operation.
- Q: Can steel pipes be used in plumbing systems?
- Yes, steel pipes can be used in plumbing systems. Steel pipes are commonly used for plumbing due to their durability, strength, and resistance to corrosion. They are suitable for both residential and commercial plumbing applications and can effectively transport water, gas, and other fluids.
- Q: What is the role of steel pipes in the construction of bridges and tunnels?
- Steel pipes play a crucial role in the construction of bridges and tunnels. They are extensively used for various purposes due to their strength, durability, and versatility. In bridge construction, steel pipes are commonly employed for the fabrication of the bridge's structural framework. They serve as the primary load-bearing members, providing support and stability to the entire structure. Steel pipes are particularly favored in bridge construction due to their high tensile strength, which enables them to withstand heavy loads, including the weight of vehicles and the dynamic forces generated by traffic. Steel pipes are also utilized in the construction of bridge piers and abutments. These components provide the foundation and support for the bridge structure. Steel pipes are often driven deep into the ground to create sturdy foundations that can withstand the forces exerted by the bridge's weight and external factors such as wind, water currents, and seismic activity. Similarly, steel pipes are essential in tunnel construction. They are extensively used in tunnel lining, which refers to the installation of structural elements along the tunnel walls and roof to provide stability and prevent soil or rock collapse. Steel pipes are often used as reinforcement elements, ensuring the structural integrity of the tunnel and protecting it from external pressures. Moreover, steel pipes are employed for underground utility systems in both bridges and tunnels. They serve as conduits for various utilities such as water supply, electrical cables, gas pipelines, and communication lines. Steel pipes are ideal for these applications due to their corrosion resistance, ability to withstand high pressures, and longevity. Overall, the role of steel pipes in the construction of bridges and tunnels is to provide strength, stability, and durability to the structures. They play a vital role in ensuring the safety and functionality of these critical infrastructure projects, allowing for efficient transportation and the seamless provision of utilities.
- Q: How are steel pipes coated for aesthetic purposes?
- Steel pipes can be coated for aesthetic purposes through various methods such as painting, powder coating, or using decorative finishes like chrome plating. These coatings not only enhance the appearance of the steel pipes but also provide protection against corrosion and increase their durability.
- Q: What is the difference between hot-dip galvanizing and electroplating for steel pipes?
- Hot-dip galvanizing and electroplating are two common methods used to provide corrosion protection for steel pipes, but there are key differences between the two processes. Hot-dip galvanizing involves immersing the steel pipes into a bath of molten zinc, which forms a metallurgical bond with the steel. This results in a thick and durable zinc coating that provides excellent corrosion resistance. The process of hot-dip galvanizing creates a uniform coating that covers the entire surface of the steel pipe, including both the external and internal surfaces. This makes hot-dip galvanizing particularly effective for protecting both the inside and outside of the pipes. On the other hand, electroplating is a process that involves the deposition of a thin layer of metal onto the surface of the steel pipes using an electric current. In the case of electroplating for steel pipes, typically a layer of zinc is applied. Unlike hot-dip galvanizing, electroplating does not provide a metallurgical bond between the zinc and the steel. Instead, it creates a mechanical bond, which is not as strong or durable as the bond formed through hot-dip galvanizing. The electroplated zinc layer is thinner compared to hot-dip galvanizing, which means it may not provide the same level of corrosion protection. Another difference between hot-dip galvanizing and electroplating is the application process. Hot-dip galvanizing requires immersing the steel pipes into a bath of molten zinc, which can be a time-consuming process. Electroplating, on the other hand, involves applying the zinc coating through an electrolytic cell, which can be faster and more efficient. In summary, the main difference between hot-dip galvanizing and electroplating for steel pipes lies in the thickness and durability of the coating, as well as the bonding mechanism between the zinc and the steel. Hot-dip galvanizing provides a thicker and more durable coating with a metallurgical bond, making it more effective for long-term corrosion protection. Electroplating, on the other hand, creates a thinner coating with a mechanical bond, which may be suitable for applications requiring a less robust level of corrosion resistance.
- Q: What are the different types of pipe coatings used for corrosion protection?
- There are several types of pipe coatings used for corrosion protection, including epoxy coatings, polyethylene coatings, polyurethane coatings, and zinc coatings. Each type of coating offers specific advantages and is chosen based on factors such as the type of corrosive environment, the desired level of protection, and the budget constraints.
- Q: What are the different types of steel pipe hangers?
- In various industries and applications, steel pipe hangers are widely used to support and secure pipes, ensuring proper alignment and preventing sagging or movement. Let's explore some of the different types of hangers available: 1. Clevis Hangers: These hangers consist of a U-shaped metal bracket called a clevis, which is connected to the supporting structure using a threaded rod. Clevis hangers allow for vertical adjustment and are commonly used in suspended piping systems. 2. Split Ring Hangers: Circular metal rings that are split on one side, split ring hangers can be easily opened and closed around the pipe to provide a secure hold. They are often used for suspending horizontal pipes. 3. Beam Clamps: Beam clamps are designed to attach to structural beams or channels, offering a secure mounting point for pipe hangers. They come in various designs, such as top flange, bottom flange, and side mount, to accommodate different installation needs. 4. Swivel Hangers: Used for supporting pipes that undergo thermal expansion or contraction, swivel hangers allow horizontal movement while still providing support and preventing excessive stress on connections. 5. Riser Clamps: Riser clamps are used to support vertical pipes or risers. Typically consisting of a metal band that wraps around the pipe and a threaded rod connecting it to the supporting structure. 6. Pipe Roller Supports: Pipe roller supports are utilized when pipes need to move horizontally due to expansion or contraction. These hangers consist of a series of rollers that allow the pipe to move freely while still providing support. 7. Pipe Saddles: Pipe saddles are U-shaped brackets that wrap around the pipe, providing support on both sides. They are often used to secure pipes to walls or other structures. These examples showcase the variety of steel pipe hangers available. Selecting the appropriate hanger for each application is crucial, taking into account factors such as pipe size, weight, location, and required movement allowance. This ensures proper support and functionality of the piping system.
- Q: Can steel pipes be used for underground sewage treatment plants?
- Yes, steel pipes can be used for underground sewage treatment plants. Steel is a durable and strong material that can withstand the harsh conditions found underground, such as soil erosion and pressure. Additionally, steel pipes are resistant to corrosion, which is critical for sewage treatment plants where exposure to chemicals and wastewater is common.
- Q: What are the environmental impacts of steel pipe production and disposal?
- The production and disposal of steel pipes have significant environmental impacts. Firstly, the production of steel pipes requires the extraction of raw materials such as iron ore, coal, and limestone. This extraction process leads to habitat destruction, deforestation, and soil erosion. Additionally, mining and processing these materials require a considerable amount of energy, often derived from fossil fuels, contributing to greenhouse gas emissions and air pollution. The manufacturing process itself involves various stages, including melting, casting, rolling, and coating, all of which require substantial energy inputs and emit significant amounts of carbon dioxide and other greenhouse gases. Moreover, the production of steel pipes involves the use of chemicals and additives that can be harmful to the environment if not managed properly. Furthermore, during the disposal of steel pipes, if not recycled or properly managed, they can end up in landfills, contributing to waste accumulation and taking up valuable space. Steel is generally non-biodegradable and can take hundreds of years to decompose. When steel pipes are dumped in landfills, they can release toxic substances and heavy metals, which can contaminate soil and groundwater. However, it is important to note that steel pipes are highly recyclable, and recycling them significantly reduces the environmental impact. Recycling steel pipes helps conserve natural resources, reduces energy consumption, and lowers greenhouse gas emissions. Additionally, using recycled steel in the production of new pipes requires less energy and results in fewer emissions compared to using virgin materials. To minimize the environmental impacts of steel pipe production and disposal, it is crucial to promote sustainable practices throughout the entire lifecycle of the product. This includes reducing energy consumption, utilizing renewable energy sources, implementing proper waste management strategies, and encouraging the recycling and reuse of steel pipes.
- Q: How can seamless steel tubes be produced?
- After extrusion to remove pipe sizing. The sizing machine passes through the cone bit and rotates into the steel embryo at high speed to form a steel tube. The inner diameter of the steel pipe is determined by the outside diameter and length of the sizing machine. When the steel tube is fixed, it enters the cooling tower and is cooled by spraying water. The steel tube is straightened after cooling. After straightening, the steel pipe is sent to the metal flaw detector (or water pressure experiment) by the conveyor belt for internal inspection. If there are cracks in the steel pipe, bubbles and other problems will be detected. Steel pipe quality inspection, but also through strict manual selection. After the quality inspection of the steel pipe, spray with the paint on the number, specifications, production batch number and so on. The crane is hoisted into the warehouse.
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API SSAW LSAW CARBON STEEL PIPE LINE OIL GAS PIPE 18’‘
- 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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