SPIRAL STEEL PIPE 34’‘ 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: 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 are the different types of steel pipe coatings for underground gas pipelines?
- There are several types of steel pipe coatings used for underground gas pipelines, including fusion bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, and three-layer polypropylene (3LPP) coating. These coatings provide protection against corrosion, abrasion, and other external factors, ensuring the longevity and safety of the gas pipelines.
- Q: How are steel pipes insulated to prevent heat gain?
- Steel pipes are insulated to prevent heat gain by applying a layer of thermal insulation material around them. This insulation material acts as a barrier, preventing the transfer of heat from the surrounding environment to the steel pipes. Additionally, the insulation is often covered with a protective outer layer to enhance its durability and resistance to external factors.
- Q: What is the difference between ERW and SAW steel pipes?
- ERW (Electric Resistance Welded) steel pipes are manufactured by welding the edges of the steel strip or coil together to form a pipe. On the other hand, SAW (Submerged Arc Welded) steel pipes are manufactured by welding the steel plates or coils together using a submerged arc welding process. The main difference between the two is the method of welding used. SAW pipes generally have a higher strength and better dimensional accuracy compared to ERW pipes.
- Q: Can steel pipes be used for wastewater treatment systems?
- Yes, steel pipes can be used for wastewater treatment systems. Steel pipes are commonly used in wastewater treatment systems due to their durability, strength, and resistance to corrosion. They are able to withstand the harsh conditions and chemicals present in wastewater treatment processes, making them a reliable choice for transporting and distributing wastewater within the system.
- Q: How are steel pipes used in the telecommunications sector?
- Various purposes in the telecommunications sector commonly make use of steel pipes. Conduit for underground cable installations is the first purpose served by steel pipes. These pipes ensure the safety of fiber optic cables, which carry data and voice signals over long distances, by providing protection and support. The sturdy nature of steel pipes guarantees that the cables remain secure from external factors like moisture, rodents, and accidental damage. Furthermore, the construction of telecommunication towers and masts involves the use of steel pipes. A strong and durable material is required to bear the weight of antennas, transmitters, and other equipment in these structures. For this purpose, steel pipes are ideal due to their high tensile strength and resistance to harsh weather conditions. Additionally, steel pipes are utilized in the installation of overhead communication lines. These lines are often suspended between poles or towers, and steel pipes serve as supports or brackets to hold the cables in place. The corrosion-resistant properties of steel make it a reliable choice for outdoor installations exposed to various elements. In conclusion, steel pipes play a critical role in the telecommunications sector. They provide protection, support, and durability to cable installations, tower constructions, and overhead communication lines. Their strength and resistance to environmental factors make them an essential component in the establishment and maintenance of reliable telecommunications networks.
- Q: How are steel pipes used in the construction of oil-fired power plants?
- Steel pipes are commonly used in the construction of oil-fired power plants for various purposes. They are primarily utilized for the transportation of oil and other fluids within the plant, including fuel oil, lubricants, and cooling water. Steel pipes are also used for the installation of high-pressure steam and water lines, as well as for the construction of exhaust systems, ventilation ducts, and other structural components. Overall, steel pipes play a crucial role in ensuring the efficient and reliable operation of oil-fired power plants.
- Q: How are steel pipes used in the construction of skyscrapers?
- Steel pipes are used in the construction of skyscrapers primarily for their strength and durability. These pipes provide structural support and serve as columns, beams, and foundations, helping to distribute the weight and withstand the immense forces exerted on tall buildings. Additionally, steel pipes are used for plumbing and HVAC systems, allowing for efficient water supply, drainage, and climate control throughout the skyscraper.
- Q: What is PE coated steel pipe? Seek explanation
- PE pipe is a kind of thermoplastic resin with high crystallinity and non polarity.
- Q: How are steel pipes used in the construction of power transmission lines?
- Due to their exceptional strength, durability, and versatility, steel pipes are commonly utilized in the construction of power transmission lines. Throughout the project, these pipes serve various purposes that contribute to the overall efficiency and reliability of the power transmission system. One primary application of steel pipes in power transmission line construction involves the installation of transmission towers. These pipes function as structural components, providing support for the transmission lines and maintaining their alignment. The high strength of steel ensures that the towers can withstand the weight of the transmission lines, as well as external forces like wind and ice loads. Additionally, steel pipes offer excellent resistance against corrosion, which is vital for ensuring the longevity of the transmission tower structures. Apart from tower construction, steel pipes are also utilized in underground transmission lines. These pipes act as conduits for the cables, safeguarding them from external elements and potential damage. Steel pipes are particularly advantageous in this application due to their ability to resist soil movement, withstand high pressure, and provide a secure pathway for the power cables. Moreover, the durability of steel ensures the integrity and longevity of the underground transmission lines, reducing maintenance needs and enhancing the overall reliability of the power transmission system. Furthermore, steel pipes are employed in the construction of foundations and anchors for transmission towers. These pipes are driven deep into the ground to offer stability and support to the towers. The inherent strength and rigidity of steel pipes make them ideal for this purpose, as they can withstand heavy loads and ensure the stability of the transmission towers even in adverse weather conditions. In conclusion, steel pipes play a critical role in power transmission line construction by providing structural support, protecting cables, and ensuring the overall reliability and efficiency of the transmission system. The exceptional strength, durability, and resistance to corrosion make steel pipes the ideal choice for power transmission line construction projects.
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SPIRAL STEEL PIPE 34’‘ 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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