26‘' CARBON STEEL SSAW WELDED PIPE API/ASTM/JIS/DIN
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t
- Supply Capability:
- 300 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
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 in earthquake-prone areas?
- Yes, steel pipes can be used in earthquake-prone areas. Steel is a strong and durable material that can withstand the forces generated during an earthquake. The flexibility and ductility of steel allow it to absorb and dissipate the energy of seismic waves, reducing the risk of structural failure. Additionally, the ability to weld steel pipes allows for the construction of robust and earthquake-resistant structures. However, it is important to ensure proper engineering and construction practices are followed to ensure the steel pipes are installed and connected correctly to maximize their earthquake resistance. Local building codes and regulations should also be considered to ensure compliance and safety in earthquake-prone areas.
- Q: Can steel pipes be used for conveying food and beverages?
- No, steel pipes are not suitable for conveying food and beverages as they can corrode and contaminate the products.
- Q: Can steel pipes be insulated for thermal efficiency?
- Yes, steel pipes can be insulated for thermal efficiency. Insulating steel pipes helps to reduce heat loss or gain, depending on the application. The insulation material is typically wrapped around the pipes to create a protective barrier. This helps to prevent heat transfer from the pipes to the surrounding environment or vice versa. Insulating steel pipes can significantly improve energy efficiency by reducing the amount of energy required to heat or cool the fluid flowing through the pipes. It is a common practice in various industries such as HVAC, oil and gas, and industrial processes where temperature control is critical. Additionally, insulation also helps to prevent condensation and corrosion on the outer surface of the pipes. Overall, insulating steel pipes is a cost-effective solution to enhance thermal efficiency and reduce energy consumption.
- Q: How are steel pipes used in the manufacturing of sewage treatment plants?
- Steel pipes are used in the manufacturing of sewage treatment plants for various purposes, including the transportation of wastewater, the distribution of chemicals and additives, and the construction of various components such as tanks, pumps, and pipelines. Steel pipes are preferred due to their strength, durability, and resistance to corrosion, ensuring reliable and long-lasting infrastructure for the efficient operation of sewage treatment plants.
- Q: How can galvanized steel tubes be painted on the surface?
- The market is commonly used in alkyd iron red primer, iron red epoxy primer are not suitable for galvanized parts, otherwise it is easy to fall off. It is important to point out that the saponification of the galvanized sheet with alcohol, acid and paint will result in the failure of the coating and the damage of the original zinc coating.
- Q: How are steel pipes used in the oil and gas pipeline transportation?
- Due to their durability, strength, and resistance to corrosion, steel pipes find extensive use in the oil and gas industry for pipeline transportation. Specifically designed to withstand high pressure and transport various fluids, including crude oil, natural gas, and refined petroleum products, these pipes serve three main purposes in the industry: gathering, transmission, and distribution. Gathering pipelines collect oil and gas from production wells and transport them to processing facilities. Steel pipes are chosen for their ability to endure harsh conditions at extraction sites and effectively transport fluids across long distances. Transmission pipelines, on the other hand, transport oil and gas across vast distances, even spanning countries or continents. Steel pipes are perfect for this task, excelling in handling high pressure and ensuring the efficient flow of fluids over extended distances. To safeguard against external elements and minimize damage risks, these pipes are often buried underground or submerged in water. Distribution pipelines deliver oil and gas to end-users, such as homes, businesses, and industrial facilities. Steel pipes are frequently employed in these pipelines due to their capability to handle varying demand and pressure requirements of different consumers. Though smaller in diameter compared to transmission pipelines, they still provide reliable and safe transportation of oil and gas to their final destinations. Besides their strength and durability, steel pipes used in oil and gas pipeline transportation are coated or lined with different materials to enhance corrosion resistance and reduce the risk of leaks. These protective coatings and linings ensure the pipes' longevity and preserve the integrity of the transported fluids. In summary, steel pipes play a vital role in the oil and gas industry by providing a dependable and efficient means of transporting oil and gas from production sites to processing facilities and ultimately to end-users. Their durability, strength, and resistance to corrosion make them an ideal choice for pipeline transportation in this industry.
- Q: Are steel pipes suitable for solar power plants?
- Indeed, solar power plants find steel pipes to be a fitting choice. Owing to their enduring nature, resilience, and ability to resist corrosion, steel pipes are commonly employed in the construction of solar power plants. They serve diverse purposes within these plants, encompassing the conveyance of fluids like water or heat transfer fluids, as well as proffering structural reinforcement for solar panels and other apparatus. Steel pipes excel at enduring high temperatures and pressure, thus rendering them an optimal choice for the efficient functioning of solar power plants. Moreover, steel pipes are readily obtainable and cost-effective, thereby establishing their popularity in the construction of solar power plants.
- Q: How do you calculate the flow velocity in a steel pipe?
- In order to determine the flow velocity in a steel pipe, one must take into account the principles of fluid mechanics and apply relevant equations. The Bernoulli equation is the most commonly used equation for this purpose, as it establishes a relationship between the pressure, velocity, and elevation of a fluid. The first step is to ascertain the volumetric flow rate (Q) of the fluid that passes through the pipe. This can be achieved either by measuring the mass flow rate (m) or by directly measuring the volumetric flow rate using a flow meter. Once the volumetric flow rate is obtained, the flow velocity (V) can be calculated. To calculate the flow velocity (V), divide 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 represents the radius of the pipe. Hence, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A It is important to note that this calculation assumes an ideal flow condition and does not take into account any frictional losses or other factors that could impact the flow. In real-world scenarios, it is crucial to consider additional factors such as pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of the flow velocity.
- Q: How can steel pipes be protected from corrosion?
- There are several methods available to protect steel pipes from corrosion. One commonly used method is the application of protective coatings, which create a barrier between the steel and the corrosive elements in the environment. Epoxy is the most widely used coating for steel pipes and offers excellent corrosion resistance. Depending on the specific requirements, polyethylene and polyurethane coatings can also be used. Another effective way to prevent corrosion is through cathodic protection. This technique involves using sacrificial anodes or impressed current systems. Sacrificial anodes, typically made of zinc or aluminum, are attached to the steel pipes and corrode instead of the steel, sacrificing themselves to protect the pipes. Impressed current systems utilize a direct electrical current to counteract the corrosion process. To ensure the longevity of steel pipes, regular maintenance and inspection are crucial. It is important to monitor the condition of the coatings and address any signs of damage or deterioration promptly. Additionally, implementing proper drainage systems to prevent the accumulation of moisture around the pipes is essential for corrosion prevention. Consideration of environmental factors is also necessary when protecting steel pipes from corrosion. This involves mitigating exposure to corrosive substances like acids or chemicals and ensuring adequate ventilation and airflow to prevent moisture and humidity buildup. By implementing a combination of these protective measures, steel pipes can have an extended lifespan and maintain their structural integrity.
- Q: How are steel pipes insulated to prevent condensation?
- Steel pipes are insulated to prevent condensation by wrapping them with a layer of insulation material, such as foam or fiberglass, which creates a barrier between the cold surface of the pipe and the surrounding air. This insulation helps to maintain the temperature of the pipe, preventing it from reaching the dew point and thus avoiding condensation.
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26‘' CARBON STEEL SSAW WELDED PIPE API/ASTM/JIS/DIN
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t
- Supply Capability:
- 300 m.t/month
OKorder Service Pledge
OKorder Financial Service
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