SPIRAL WELDED STEEL PIPE 16/18/20/22/24/26/28'' 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: Can steel pipes be used for underground irrigation systems?
- Certainly, underground irrigation systems can indeed utilize steel pipes. Steel pipes have gained popularity for irrigation systems owing to their exceptional durability, strength, and corrosion resistance. They have the capability to endure the immense pressure and stress associated with being buried underground, thus ensuring longevity without the need for frequent maintenance or replacement. Moreover, the smooth interior surface of steel pipes enables efficient water flow and minimizes the risk of clogging. Additionally, steel pipes are readily available in a variety of sizes and can be easily customized to meet specific requirements of irrigation systems. However, it is crucial to ensure that the steel pipes employed for underground irrigation systems are adequately coated or treated to prevent corrosion and extend their lifespan.
- Q: How do steel pipes compare to other materials like PVC or copper pipes?
- Steel pipes have several advantages over other materials like PVC or copper pipes. Firstly, steel is a very strong and durable material, making steel pipes ideal for handling high-pressure applications. They can withstand extreme temperatures and are resistant to corrosion, making them suitable for both indoor and outdoor use. PVC pipes, on the other hand, are not as strong and are more prone to cracking and breaking under pressure or in extreme temperatures. Copper pipes, though durable, can be susceptible to corrosion and may require additional protective coatings. Secondly, steel pipes have a longer lifespan compared to PVC or copper pipes. They are known for their longevity and can last for several decades without needing replacement. PVC pipes, while relatively inexpensive, have a shorter lifespan and may need to be replaced more frequently. Copper pipes, though durable, can also corrode over time and may require maintenance or replacement. Another advantage of steel pipes is their ability to handle a wide range of fluids and substances. They are commonly used in industrial applications where there may be chemicals or corrosive materials present. PVC pipes, on the other hand, may not be suitable for handling certain chemicals or substances as they can react and cause damage to the pipe. Copper pipes, while generally safe for carrying water, may not be ideal for conveying certain chemicals or fluids. Additionally, steel pipes have excellent fire resistance properties. In the event of a fire, steel pipes can withstand high temperatures and maintain their structural integrity, ensuring the safety and protection of the surrounding area. PVC pipes, on the other hand, can melt or deform under high heat, potentially causing structural damage. Copper pipes, while not as prone to melting, can still be affected by extreme heat and may lose their strength. However, there are a few drawbacks to steel pipes as well. They tend to be heavier and more difficult to install compared to PVC or copper pipes. Additionally, steel pipes can be more expensive upfront, especially when compared to PVC pipes. However, considering their durability and longevity, steel pipes may offer better value in the long run. In conclusion, steel pipes offer several advantages over other materials like PVC or copper pipes. They are strong, durable, resistant to corrosion, and have a longer lifespan. They can handle high-pressure applications and a wide range of fluids, making them suitable for various industrial and commercial uses. While they may be more expensive and difficult to install, the benefits of steel pipes make them a reliable and cost-effective choice in many applications.
- Q: Can steel pipes be galvanized?
- Yes, steel pipes can be galvanized. Galvanizing is a process of applying a protective zinc coating to steel or iron to prevent corrosion. The steel pipes are submerged in a bath of molten zinc, which forms a metallurgical bond with the steel, creating a corrosion-resistant coating. Galvanizing is commonly used in various applications, such as plumbing, construction, and outdoor structures, to extend the lifespan of steel pipes and prevent rusting.
- Q: How are steel pipes used in the construction of telecommunications towers?
- Steel pipes are commonly used in the construction of telecommunications towers as they provide the necessary structural support and stability. These pipes are used for the tower's main framework, ensuring its durability and ability to withstand various environmental conditions. Additionally, steel pipes are also used for cable management, allowing for the safe and efficient installation of telecommunications equipment and cables.
- Q: How do steel pipes handle thermal expansion and contraction?
- Steel pipes handle thermal expansion and contraction by allowing for slight movement and flexibility. When heated, the steel pipe expands, and when cooled, it contracts. To accommodate these changes, expansion joints or loops are often incorporated into the pipe system. These joints or loops allow the pipe to expand and contract without causing stress or damage. Additionally, proper insulation and support are essential to minimize the effects of thermal expansion and contraction on steel pipes.
- Q: What is the difference between seamless steel pipe and welded pipe?
- The thicker the diameter, the more commonly the spiral weld. The seamless steel pipe is generally molten state molten steel through the annular slot backlog, and then stretched and other treatment process, so that there is no weld. On the performance, especially the pressure capacity of the steel pipe than ordinary steel has greatly improved, so often used for high voltage equipment.
- Q: What are the different types of couplings used with steel pipes?
- There are several types of couplings used with steel pipes, including threaded couplings, slip-on couplings, compression couplings, and grooved couplings.
- Q: What is the role of steel pipes in the transportation of liquefied natural gas (LNG)?
- Steel pipes play a vital role in the transportation of liquefied natural gas (LNG) due to their unique properties and characteristics. LNG is a form of natural gas that has been cooled to a liquid state for ease of transportation and storage. The transportation of LNG requires specific infrastructure, and steel pipes are an essential component of this infrastructure. Firstly, steel pipes are used in the construction of LNG terminals and liquefaction plants. These facilities are responsible for converting natural gas into its liquid form and storing it before transportation. The extreme cold temperatures required to maintain LNG in its liquid state necessitate the use of materials that can withstand these conditions, and steel pipes are well-suited for this purpose. Steel pipes have excellent strength and durability, making them capable of handling the low temperatures and high pressures involved in the liquefaction and storage processes. Secondly, steel pipes are used in the transportation of LNG from the liquefaction plants to the storage tanks or shipping vessels. LNG is typically transported over long distances, either through pipelines or via specialized LNG carriers. Steel pipes are used in the construction of underground or above-ground pipelines, providing a reliable and safe means of transporting the LNG. The pipes must be able to maintain the low temperatures of the LNG while withstanding the pressures and stresses associated with the transportation process. Steel pipes offer the necessary strength, corrosion resistance, and thermal properties to ensure the safe and efficient transportation of LNG. Lastly, steel pipes are also used in the construction of storage tanks for LNG. These tanks are designed to maintain the LNG in its liquid state until it is ready for use or further transportation. The tanks are often constructed using a combination of steel plates and steel pipes. Steel pipes are used to connect the various components of the tank, such as the inner and outer shells, reinforcing the structural integrity of the tank and ensuring its ability to withstand the extreme conditions to which it is subjected. In summary, steel pipes play a crucial role in the transportation of liquefied natural gas (LNG) due to their strength, durability, and ability to withstand low temperatures and high pressures. From the construction of LNG terminals and liquefaction plants to the transportation through pipelines or on specialized vessels, steel pipes are a vital component of the infrastructure required for the safe and efficient transportation and storage of LNG.
- Q: How are steel pipes protected against ultraviolet (UV) radiation?
- Coatings or paints can be applied to steel pipes to protect them from ultraviolet (UV) radiation. These coatings are designed to resist the damaging effects of UV radiation, such as fading, chalking, or degradation of the steel. One common method of protection involves using UV-resistant paints or polymeric coatings that contain additives or pigments capable of reflecting or absorbing UV rays. These coatings not only shield the steel from UV radiation but also provide an extra layer of corrosion protection, increasing the pipes' lifespan. Another method used for UV protection is applying thermal insulation materials. These materials, such as foam or coatings with reflective properties, help reduce the impact of UV radiation on the steel pipes. By acting as a shield, they prevent direct exposure to UV rays and minimize potential damage from prolonged exposure. It's essential to consider various factors, including the specific application, environmental conditions, and desired durability of the steel pipes, when choosing a UV protection method. Seeking advice from experts in the field can help determine the most suitable solution for a particular project or application.
- Q: How do steel pipes resist corrosion?
- Steel pipes resist corrosion through a process called passivation, where a protective layer of chromium oxide forms on the surface of the steel, preventing direct contact with corrosive elements and slowing down the oxidation process. Additionally, steel pipes can be coated with protective layers such as zinc or epoxy to provide an extra barrier against corrosion.
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SPIRAL WELDED STEEL PIPE 16/18/20/22/24/26/28'' 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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