SPIRAL WELDED STEEL PIPE 12‘’ 16‘’ 18‘’ 20’‘ 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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Quality Product, Order Online Tracking, Timely Delivery
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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 is the dimensional stability of steel pipes?
- The ability of steel pipes to retain their shape and dimensions in different conditions and external forces is referred to as dimensional stability. Steel pipes are well-known for their exceptional dimensional stability due to the inherent properties of the material. Steel, being a strong and rigid material, can maintain its shape even when subjected to high pressure or temperature fluctuations. This characteristic makes steel pipes highly suitable for applications that demand stability and resistance to deformation, such as plumbing, oil and gas pipelines, and structural supports. In addition to its inherent strength, the dimensional stability of steel pipes is also a result of their manufacturing processes. These pipes are typically produced using methods like seamless or welded construction, ensuring uniformity and consistent dimensions throughout the pipe's length. This precise manufacturing contributes to the dimensional stability of steel pipes. Furthermore, steel pipes are often coated with various protective coatings to increase their resistance to environmental factors. These coatings, such as galvanization or epoxy coatings, not only provide corrosion protection but also enhance the dimensional stability of the pipes by adding an extra layer of strength and durability. In conclusion, the widespread use of steel pipes in different industries is largely attributed to their dimensional stability. Their ability to maintain their shape and dimensions, even in challenging conditions, guarantees reliable and long-lasting performance in various applications.
- Q: How do steel pipes handle high-pressure applications?
- Steel pipes are commonly used in high-pressure applications because of their inherent strength and durability. The high tensile strength of steel allows it to withstand the pressure exerted on the pipes without deforming or bursting. Moreover, steel pipes are resistant to corrosion, making them ideal for handling various types of fluids and gases under high-pressure conditions. Additionally, the seamless construction of steel pipes eliminates weak points and ensures their reliability and safety in high-pressure environments.
- Q: What is the maximum temperature and pressure that steel pipes can withstand?
- The maximum temperature and pressure that steel pipes can withstand vary depending on the specific grade and type of steel being used. However, in general, steel pipes can withstand high temperatures and pressures due to their strong and durable nature. For high-temperature applications, such as in steam or heat transfer systems, steel pipes can typically withstand temperatures up to 1000 degrees Celsius (1832 degrees Fahrenheit) or even higher. It is important to note that the specific temperature limit may vary depending on the alloy composition and heat treatment of the steel. Regarding pressure, steel pipes are known for their excellent strength and resistance to internal and external pressure. The maximum pressure that steel pipes can withstand will depend on factors such as the pipe diameter, wall thickness, and material strength. In industrial applications, steel pipes can withstand pressures ranging from a few hundred psi (pounds per square inch) to several thousand psi. To ensure the safe operation of steel pipes under high temperatures and pressures, it is crucial to follow industry standards and guidelines, as well as perform regular inspections and maintenance. Consulting with engineers and professionals experienced in steel pipe systems can provide more specific information regarding the maximum temperature and pressure limits for a particular steel pipe application.
- Q: What are the different types of steel pipe connections for steam pipelines?
- There are several types of steel pipe connections commonly used for steam pipelines, including threaded connections, flanged connections, welded connections, and grooved connections.
- Q: What are the different coating options available for steel pipes?
- There are several different coating options available for steel pipes, including epoxy coatings, polyethylene coatings, zinc coatings, and asphalt coatings. These coatings are applied to the exterior of the pipes to provide protection against corrosion, abrasion, and other environmental factors. Each coating option offers different benefits and is chosen based on the specific requirements of the project or application.
- Q: What is the process of coating steel pipes?
- The process of coating steel pipes involves applying a protective layer on the surface of the pipe to prevent corrosion and increase its durability. This typically includes cleaning the pipe to remove any contaminants, followed by applying a primer to improve adhesion. The pipe is then coated with a layer of paint or a specialized coating material using a variety of techniques such as spraying, dipping, or electrostatic application. The coated pipe is then cured or dried to ensure the coating adheres properly. This process helps to ensure the longevity and performance of steel pipes in various applications.
- Q: How are steel pipes used in the construction of coal-fired power plants?
- Steel pipes are commonly used in the construction of coal-fired power plants for various purposes. They are utilized for transporting coal and other fuels, as well as for carrying water and steam in the power generation process. Steel pipes are also used in the construction of the plant's cooling system, helping to circulate water and dissipate heat. Additionally, they are employed in the construction of the plant's exhaust system, facilitating the removal of combustion byproducts. In summary, steel pipes play a crucial role in the infrastructure of coal-fired power plants, enabling efficient fuel transportation, heat exchange, and waste management.
- 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: What quota is reserved for buried DN20 steel pipe?
- It is an embedded sleeve control sub item, if the reserved hole, then there is no need to cover, special subject structure adjustment factor of the cost of the water supply and drainage engineering, water supply and drainage engineering he is buried under the charge.
- Q: What are the common applications of seamless steel pipes?
- Seamless steel pipes have numerous common applications in various industries due to their unique properties. Here are some of the most common applications of seamless steel pipes: 1. Oil and gas industry: Seamless steel pipes are widely used in the oil and gas industry for the transportation of oil, gas, and other fluids. They are preferred due to their high strength, durability, and resistance to corrosion, making them suitable for harsh environments. 2. Construction and infrastructure: Seamless steel pipes are extensively used in construction projects, including the construction of buildings, bridges, and tunnels. They are ideal for structural applications due to their ability to withstand heavy loads and provide excellent strength and stability. 3. Automotive industry: Seamless steel pipes are a crucial component in the manufacturing of automotive parts, such as exhaust systems, engine components, and hydraulic systems. They offer high strength, reliability, and resistance to heat, making them suitable for demanding automotive applications. 4. Mechanical and engineering applications: Seamless steel pipes find usage in various mechanical and engineering applications, including machinery, equipment, and manufacturing processes. They are commonly used for carrying fluids, gases, and steam, as well as for the transmission of power in machinery. 5. Power generation: Seamless steel pipes are extensively used in power plants for the transportation of steam and hot water. They are capable of withstanding high pressure and temperature, making them ideal for power generation applications. 6. Petrochemical industry: Seamless steel pipes are crucial in the petrochemical industry for the transportation of various chemicals, gases, and liquids. They have excellent resistance to corrosion, which is essential when dealing with hazardous and corrosive substances. 7. Mining industry: Seamless steel pipes are used in the mining industry for various applications, including the transportation of slurry, water, and other mining-related fluids. They offer durability, reliability, and resistance to abrasion, making them suitable for the challenging mining environment. 8. Aerospace industry: Seamless steel pipes find applications in the aerospace industry for manufacturing aircraft components, such as hydraulic systems, fuel lines, and structural parts. They provide high strength-to-weight ratio and resistance to extreme temperatures and pressure. Overall, the common applications of seamless steel pipes span a wide range of industries, thanks to their exceptional properties, including strength, durability, resistance to corrosion and high temperatures, making them an essential component in various industrial processes and infrastructure development.
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SPIRAL WELDED STEEL PIPE 12‘’ 16‘’ 18‘’ 20’‘ 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
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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