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: What are the different types of steel coatings used for pipes?
- There are several types of steel coatings used for pipes, including epoxy, polyethylene, polypropylene, and fusion bonded epoxy (FBE) coatings. Each of these coatings provides different levels of corrosion resistance and protection, making them suitable for various applications and environmental conditions.
- Q: What are the common uses of stainless steel pipes?
- Stainless steel pipes are widely used in various industries for a multitude of applications. Some of the common uses of stainless steel pipes include: 1. Plumbing and Water Supply: Stainless steel pipes are often used in residential, commercial, and industrial plumbing systems due to their corrosion resistance, durability, and ability to handle high-pressure applications. They are also used in water treatment plants and wastewater management systems. 2. Oil and Gas Industry: Stainless steel pipes are extensively used in the oil and gas industry for transporting oil, gas, and other fluids. They can withstand high temperatures, pressure, and corrosive environments, making them ideal for this industry. 3. Food and Beverage Industry: Stainless steel pipes are widely used in the food and beverage industry due to their hygienic properties and resistance to corrosion. They are commonly used for transporting liquids, gases, and food products in processing plants, breweries, wineries, dairies, and other food-related facilities. 4. Chemical and Petrochemical Industry: Stainless steel pipes are critical in the chemical and petrochemical industry, where they are used for transporting corrosive chemicals, acids, and other hazardous substances. The pipes' resistance to corrosion and high temperatures makes them suitable for these demanding applications. 5. Construction and Architecture: Stainless steel pipes are used in construction and architecture for various purposes such as structural support, handrails, guardrails, and decorative elements. Their strength, durability, and aesthetic appeal make them a popular choice in modern architectural designs. 6. Automotive and Transportation: Stainless steel pipes are used in the automotive industry for exhaust systems, fuel lines, and other components that require resistance to high temperatures and corrosion. They are also used in the transportation of fluids and gases in ships, trains, and airplanes. 7. Pharmaceutical Industry: The pharmaceutical industry requires high-quality materials that meet stringent sanitary standards. Stainless steel pipes are commonly used in pharmaceutical manufacturing processes for transporting liquids, gases, and chemicals due to their cleanability, corrosion resistance, and compatibility with pharmaceutical products. 8. Power Generation: Stainless steel pipes are used in power plants, both conventional and renewable, for various applications such as steam lines, condensers, and heat exchangers. They are chosen for their ability to withstand high temperatures, pressure, and corrosive environments. In summary, stainless steel pipes find applications in a wide range of industries including plumbing, oil and gas, food and beverage, chemical and petrochemical, construction, automotive, pharmaceutical, and power generation. Their corrosion resistance, durability, and ability to handle high temperatures and pressure make them a versatile and reliable choice for various industrial applications.
- Q: How are steel pipes marked for identification and traceability?
- Steel pipes are marked for identification and traceability through various methods. One common method is through the use of permanent markers or paint. These marks typically include important information such as the manufacturer's name or logo, the pipe's size and specifications, and the production date or batch number. In addition to surface marking, steel pipes may also be identified using tags or labels. These tags are usually made of durable materials such as metal or plastic and are securely attached to the pipe. They contain detailed information about the pipe, including its unique identification number, material composition, and any relevant certifications or standards it meets. Another method used for identification and traceability is the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, providing instant access to comprehensive information about the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated way of tracking and tracing steel pipes throughout their lifecycle. Furthermore, some steel pipes may have embossed or engraved markings directly on their surface. These markings are typically indented into the metal and can withstand harsh conditions, ensuring long-term visibility and legibility. The goal of marking steel pipes is to ensure their proper identification and traceability throughout their lifecycle. This helps in quality control, maintenance, and inspection processes, as well as in ensuring compliance with regulatory requirements. By having clear and permanent markings, manufacturers, suppliers, and users can easily track and trace the history and specifications of steel pipes, enabling better management and accountability in various industries such as construction, oil and gas, and infrastructure development.
- Q: What is the impact of steel pipe size on flow rate and pressure?
- The steel pipe size has a significant impact on both the flow rate and pressure. A larger pipe size allows for higher flow rates by reducing the frictional losses, resulting in increased fluid velocity. This leads to higher pressure drops across the pipe due to the increased surface area exposed to the flowing fluid. Conversely, a smaller pipe size restricts the flow, causing higher pressure drops and lower flow rates. Therefore, selecting an appropriate pipe size is crucial to ensure optimal flow rates and pressure levels in a system.
- Q: Can steel pipes be used for underground water lines?
- Yes, steel pipes can be used for underground water lines.
- Q: How long is the seamless tube?
- Welded pipe is generally 6912 meters fixed length, seamless pipe on the market in general non fixed foot, but usually more than 6 meters
- Q: Can steel pipes be insulated for thermal efficiency?
- Steel pipes can indeed be insulated to enhance their thermal efficiency. By insulating steel pipes, heat loss or gain can be minimized, depending on the specific purpose. Typically, the insulation material is wrapped around the pipes, creating a protective barrier. This barrier effectively prevents heat transfer between the pipes and the surrounding environment. As a result, the energy required to heat or cool the fluid flowing through the pipes is significantly reduced, leading to improved energy efficiency. This practice is widely employed in industries such as HVAC, oil and gas, and industrial processes, where precise temperature control is crucial. Moreover, insulation also serves to prevent condensation and corrosion on the outer surface of the pipes. All in all, insulating steel pipes is a cost-effective measure that enhances thermal efficiency and reduces energy consumption.
- Q: How do you calculate the buoyancy of submerged steel pipes?
- In order to calculate the buoyancy of submerged steel pipes, one must take into account Archimedes' buoyancy principle. According to this principle, the force exerted on an object submerged in a fluid is equal to the weight of the fluid displaced by the object. To calculate the buoyant force, it is necessary to determine the volume of fluid displaced by the submerged steel pipe. This can be done by multiplying the cross-sectional area of the pipe by the length of the submerged portion. Next, it is important to ascertain the density of the fluid in which the steel pipe is submerged. This information can be obtained from the properties of the fluid or by referring to known values. Once the volume and density of the fluid have been determined, the weight of the fluid displaced by the submerged pipe can be calculated using the equation: weight = volume × density × acceleration due to gravity. Finally, the buoyant force can be calculated by multiplying the weight of the displaced fluid by the acceleration due to gravity. This will yield the upward force exerted on the submerged steel pipe by the fluid. When accurately calculating the buoyancy of submerged steel pipes, it is crucial to take into account additional factors, such as the weight of the pipe itself, any attached equipment or coatings, and the specific conditions of the fluid in which it is submerged.
- Q: Are steel pipes suitable for chemical processing plants?
- Yes, steel pipes are suitable for chemical processing plants. Steel pipes have excellent strength and durability, making them resistant to corrosion and able to withstand high pressure and temperature conditions common in chemical processing plants. Additionally, steel pipes can be easily welded, offering flexibility in design and installation.
- Q: Are steel pipes resistant to impact or external forces?
- Yes, steel pipes are generally resistant to impact or external forces due to their inherent strength and durability. They can withstand high pressure, heavy loads, and harsh environmental conditions, making them suitable for various applications, including construction, transportation, and industrial purposes.
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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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