SPIRAL WELDED STEEL PIPE 24'' 26'' 28'' 30'' 32''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 agricultural sector?
- Steel pipes are commonly used in the agricultural sector for various purposes such as irrigation systems, water supply lines, and drainage systems. They are used to transport water, fertilizers, and other liquids efficiently and reliably. Additionally, steel pipes are used for constructing structures like livestock enclosures, greenhouses, and storage facilities due to their durability and strength.
- Q: Can steel pipes be used for steam applications?
- Yes, steel pipes can be used for steam applications. Steel pipes are known for their high strength and durability, making them suitable for carrying steam at high temperatures and pressures. They are resistant to corrosion and can withstand the harsh conditions of steam systems, making them a popular choice in various industries such as power generation, oil and gas, and chemical processing.
- Q: What is the maximum length of steel pipes available in the market?
- The maximum length of steel pipes available in the market can vary depending on the specific supplier and industry requirements. However, standard lengths typically range from 20 to 40 feet.
- Q: What is the difference between standard wall thickness and extra-strong wall thickness steel pipes?
- The main difference between standard wall thickness and extra-strong wall thickness steel pipes lies in their thickness and durability. Standard wall thickness pipes have thinner walls and are suitable for most general applications, while extra-strong wall thickness pipes have thicker walls and are designed for heavy-duty or high-pressure applications. These extra-strong pipes offer enhanced strength and resistance, making them more reliable and suitable for handling extreme conditions or demanding projects.
- Q: How are steel pipes used in the pharmaceutical industry?
- Steel pipes are commonly used in the pharmaceutical industry for various purposes such as transporting fluids, gases, and chemicals, as well as providing structural support for equipment and machinery. They are utilized in pharmaceutical manufacturing processes, including the transfer of raw materials, disinfection, and sterilization procedures, and the distribution of pharmaceutical products. Steel pipes ensure the safe and hygienic transfer of substances, maintaining the integrity and quality of pharmaceutical products throughout the production and distribution chain.
- Q: What are the different types of steel pipe bends?
- There are several types of steel pipe bends, including long radius bends, short radius bends, and induction bends. Long radius bends have a larger radius and are used when a gentle bend is required. Short radius bends have a smaller radius and are used when a more abrupt bend is needed. Induction bends are created using a heating process to achieve specific bend angles and radii.
- Q: What are the common methods for inspecting the condition of steel pipes?
- Steel pipes can be inspected using a variety of methods to ensure their condition and integrity. These methods aim to identify any issues or defects that could potentially affect the pipes. 1. Visual Inspection: Inspectors thoroughly examine the pipes visually to spot any visible signs of damage such as corrosion, cracks, or leaks. They may employ tools like flashlights, mirrors, or borescopes to reach difficult areas. 2. Ultrasonic Testing: This method utilizes high-frequency sound waves to detect defects within the steel pipes. A transducer emits sound waves, and disruptions or reflections in these waves can indicate potential issues like cracks or thinning of the pipe walls. 3. Magnetic Particle Testing: Primarily used to detect surface cracks or defects, this technique applies a magnetic field to the pipe. Fine iron particles are then applied to the surface, and they accumulate at areas with surface defects, making them clearly visible. 4. Eddy Current Testing: This non-destructive testing method detects surface and near-surface defects in steel pipes. It involves passing an alternating current through a coil, inducing eddy currents in the pipe. Disruptions or changes in these eddy currents can indicate defects like corrosion or cracks. 5. Radiographic Testing: X-rays or gamma rays are used in this method to inspect the internal structure of steel pipes. X-ray film or a digital detector is placed on one side of the pipe, while the X-ray source is positioned on the other side. The rays penetrate the steel, and any irregularities or defects can be identified on the film or through digital imaging. 6. Dye Penetrant Inspection: This technique is employed to detect surface-breaking defects in steel pipes. A dye penetrant is applied to the pipe's surface, and after a specified time, a developer is used to draw out the dye from any defects, making them easily visible. Whether used individually or in combination, these methods provide a comprehensive inspection of steel pipes, ensuring their reliability and safety in industries like oil and gas, construction, and manufacturing.
- Q: How are steel pipes protected against microbial corrosion?
- Various methods are employed to safeguard steel pipes against microbial corrosion. One widely used technique entails applying coatings onto the surface of the pipes. These coatings act as a shield, effectively blocking the entry of microbes and their corrosive byproducts into the steel, thereby safeguarding it from degradation. Coatings like epoxy, polyethylene, and fusion bonded epoxy are frequently utilized to bestow this protection. Another method involves the use of corrosion inhibitors. These inhibitors are added to the fluid that flows through the pipes in order to impede microbial growth and prevent corrosion. They can be either organic or inorganic compounds that function by either eradicating the microbes or inhibiting their metabolic activity. Furthermore, ensuring proper maintenance and cleaning of the pipes is vital in preventing microbial corrosion. Regular inspections and cleaning routines aid in the elimination of any biofilms or microbial deposits that may have formed on the pipe's surface. This significantly reduces the likelihood of microbial corrosion and prolongs the lifespan of the pipes. In certain cases, cathodic protection may also be employed. This method entails utilizing sacrificial anodes or impressed current systems to supply a protective electrical current to the pipe. This current helps prevent the formation of corrosive microorganisms and shields the steel from corrosion. In summary, a combination of coatings, corrosion inhibitors, regular maintenance, and cathodic protection techniques are employed to protect steel pipes from microbial corrosion. By utilizing these strategies, the longevity and integrity of the pipes are ensured, benefiting various industries such as oil and gas, water supply, and sewage systems.
- Q: Do steel pipes require maintenance?
- Yes, steel pipes do require maintenance. While steel pipes are durable and long-lasting, they can still be subject to wear and tear over time. Regular maintenance is important to ensure their optimal performance and prolong their lifespan. One important aspect of maintenance is inspecting the pipes for any signs of damage or corrosion. Steel pipes can be vulnerable to rust and corrosion, especially in environments with high humidity or exposure to water. Regular inspections allow for early detection of any issues, which can prevent more significant damage and costly repairs in the future. Another aspect of maintenance is cleaning the pipes. Over time, steel pipes can accumulate debris, sediment, or mineral deposits. These build-ups can restrict the flow of fluids or affect the quality of the transported materials. Regular cleaning helps to remove these obstructions and maintain the efficiency of the pipes. Depending on the application, steel pipes may also require periodic lubrication or coating. This helps to reduce friction, prevent corrosion, and enhance the pipes' durability. Lubricants and coatings can be applied during maintenance to ensure the pipes continue to function smoothly and resist corrosion. Overall, regular maintenance of steel pipes is essential to maximize their performance, prevent damage, and prolong their lifespan. By investing time and effort in maintenance, potential issues can be identified and addressed early on, ultimately saving time and money in the long run.
- Q: What are the different types of coatings used on steel pipes?
- There are several types of coatings that are commonly used on steel pipes to enhance their durability and protect them from corrosion. Some of the most common types of coatings include: 1. Fusion-Bonded Epoxy (FBE) Coating: This coating is applied to the steel pipe through a process of heating and melting the epoxy powder, which then fuses to the surface. FBE coatings provide excellent corrosion resistance and are commonly used in water pipelines and oil and gas industries. 2. Polyethylene (PE) Coating: PE coatings are applied to steel pipes using a similar process as FBE coatings. PE coatings provide a protective layer that is resistant to moisture, chemicals, and abrasion. They are commonly used in gas pipelines and underground water pipelines. 3. Polypropylene (PP) Coating: PP coatings are similar to PE coatings in terms of their application process and protective qualities. However, PP coatings offer enhanced resistance to higher temperatures, making them suitable for applications such as chemical processing plants and refineries. 4. Concrete Weight Coating (CWC): CWC is a special coating that involves applying a layer of concrete to the steel pipe. This coating provides additional weight to the pipe, making it more stable and resistant to buoyancy in underwater or submerged applications. 5. Zinc Coating: Zinc coatings, such as hot-dip galvanizing, involve immersing the steel pipe in a bath of molten zinc. This process creates a protective layer of zinc on the surface of the pipe, offering excellent corrosion resistance. Zinc coatings are commonly used in outdoor applications, such as fencing, guardrails, and water pipelines. 6. Bituminous Coating: Bituminous coatings involve applying a layer of bitumen or asphalt to the steel pipe. This coating provides excellent resistance to water and chemicals, making it suitable for underground pipelines and structures. These are just a few examples of the different types of coatings used on steel pipes. The choice of coating depends on factors such as the intended application, environmental conditions, and the level of corrosion resistance required.
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SPIRAL WELDED STEEL PIPE 24'' 26'' 28'' 30'' 32''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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