SPIRAL WELDED STEEL PIPE 12'' 16‘’ CARBON STEEL
- 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: Can galvanized steel tubes simmer?
- I make the steel pipe, galvanized pipe and water conveying pipe material is the same, can be bent, specific to what to look at the furnace, can refer to a single material
- Q: How do you join two steel pipes together without welding?
- One way to join two steel pipes together without welding is by using threaded connections. This involves screwing a threaded fitting onto each end of the pipes, creating a secure and durable connection. Additionally, other methods such as mechanical couplings or flanges can also be used to join steel pipes without welding. These methods provide a reliable and convenient alternative to welding for joining steel pipes together.
- Q: What are the different types of steel pipe reducers?
- Various industrial applications commonly use different types of steel pipe reducers. These reducers facilitate the connection between pipes of varying sizes, ensuring a smooth transition in fluid or gas flow. The following are some of the most frequently encountered types: 1. Concentric Reducers: These reducers possess a symmetrical design with a centerline that aligns with both the larger and smaller pipes' centerlines. They facilitate a gradual reduction in pipe size, ensuring a seamless material flow. 2. Eccentric Reducers: In contrast to concentric reducers, eccentric reducers have an offset centerline. This design is beneficial in preventing the accumulation of air or gases in the piping system. The eccentric reducer directs any gas or air towards a vent or drain point. 3. Welded Reducers: These reducers are created through the welding of two pipes of different sizes. They are frequently used in situations that require a permanent connection. 4. Seamless Reducers: Seamless reducers are manufactured without any welded joints. They are crafted from a single piece of steel, enhancing their strength and durability. Seamless reducers are often preferred in applications where leak-proof connections are crucial, such as high-pressure or high-temperature environments. 5. Threaded Reducers: These reducers have male and female threads on both ends, allowing for easy installation and removal. They are commonly used in low-pressure applications and are a cost-effective option for systems that require frequent disassembly. 6. Flanged Reducers: Flanged reducers possess flanges on both ends, which are bolted together to create a secure seal. They are frequently used in piping systems that require convenient access for maintenance or inspection. Each type of steel pipe reducer offers its own unique advantages and is selected based on the specific requirements of the application. Factors such as the transported fluid or gas type, pressure and temperature conditions, and the need for easy installation or maintenance should be considered when choosing the appropriate reducer for a particular system.
- Q: How are steel pipes insulated for thermal purposes?
- Steel pipes are insulated for thermal purposes by wrapping them with insulating materials such as mineral wool, fiberglass, or foam. These insulating materials help to prevent heat transfer between the pipe and its surroundings, minimizing energy loss and maintaining the desired temperature inside the pipe. Additionally, a protective outer layer or jacket is often applied to enhance the insulation's durability and protect it from external elements.
- Q: What are the different types of gaskets used with steel pipes?
- There are several types of gaskets commonly used with steel pipes, including spiral wound, ring joint, and flat gaskets. Spiral wound gaskets are made by winding a metal strip and a filler material together, providing excellent sealing properties. Ring joint gaskets are typically used in high-pressure applications and have a metallic ring shape to ensure a tight seal. Flat gaskets, on the other hand, are simple, flat pieces of material, often made from rubber or graphite, and are used for low-pressure applications.
- Q: What is the difference between standard wall thickness and extra-strong wall thickness steel pipes?
- The difference between standard wall thickness and extra-strong wall thickness steel pipes lies in the thickness of the pipe walls. Standard wall thickness pipes have a thinner wall compared to extra-strong wall thickness pipes, which have a thicker wall. The increased wall thickness in extra-strong pipes enhances their strength and durability, making them suitable for applications that require higher pressure or load-bearing capacities.
- Q: What are the different methods of welding steel pipes?
- There are several different methods of welding steel pipes, including shielded metal arc welding (SMAW), gas tungsten arc welding (GTAW), gas metal arc welding (GMAW), flux-cored arc welding (FCAW), and submerged arc welding (SAW). Each method has its own advantages and is suitable for different applications and pipe sizes.
- Q: How do steel pipes handle thermal expansion?
- Steel pipes handle thermal expansion by expanding and contracting with changes in temperature. The high thermal conductivity of steel allows it to transfer heat quickly, preventing excessive expansion. Additionally, the flexibility of steel allows it to absorb the expansion and contraction without compromising the integrity of the pipe.
- Q: How are steel pipes made?
- Steel pipes are made through a process called pipe manufacturing, which involves multiple steps. Firstly, raw steel is melted in a furnace and then subjected to continuous casting to form a solid billet. This billet is then heated and pierced to create a hollow tube called a shell. Next, the shell is rolled and stretched to the desired diameter and thickness using a series of rollers. The pipe is then subjected to a process called welding, where two edges of the shell are fused together to create a seamless or welded pipe. Finally, the pipe undergoes various finishing processes such as cutting, straightening, and inspection before being ready for use.
- Q: How are steel pipes protected against internal scaling?
- Internal coating or lining is a process employed to safeguard steel pipes from internal scaling. This entails applying a protective layer on the inside of the pipe to prevent the formation of scales or deposits. Multiple techniques are utilized for this purpose. One prevalent approach is the application of epoxy coatings. Epoxy, a resilient and corrosion-resistant material, forms a continuous barrier on the pipe's interior. It effectively hinders the accumulation of minerals and other substances that contribute to scaling. Epoxy coatings are commonly sprayed or brushed onto the inner surface of the pipe and then hardened to create a durable and smooth finish. Cement mortar lining is another method used to protect steel pipes from internal scaling. This involves applying a layer of cement mortar to the pipe's interior. The cement mortar acts as a barrier against scaling and offers additional corrosion protection. This lining process is typically employed for large-diameter pipes utilized in water distribution systems. Polyethylene (PE) lining is yet another technique deployed to safeguard steel pipes against internal scaling. PE lining necessitates the insertion of a high-density polyethylene liner into the pipe. This liner acts as a barrier against scaling and enhances fluid flow by reducing friction. PE lining is frequently used in applications that require a smooth interior surface, such as oil and gas pipelines. Apart from these methods, regular maintenance and cleaning of the pipes can also aid in preventing internal scaling. This may involve using chemical cleaning agents or mechanical cleaning techniques to eliminate any deposits that have formed on the pipe's interior surface. Overall, safeguarding steel pipes against internal scaling is vital to maintain their efficiency and prolong their lifespan. By employing various coating and lining methods, along with implementing appropriate maintenance practices, the risk of internal scaling can be significantly diminished.
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SPIRAL WELDED STEEL PIPE 12'' 16‘’ CARBON STEEL
- 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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