• API SSAW LSAW CARBON STEEL PIPE LINE OIL GAS PIPE 24’‘ System 1
API SSAW LSAW CARBON STEEL PIPE LINE OIL GAS PIPE 24’‘

API SSAW LSAW CARBON STEEL PIPE LINE OIL GAS PIPE 24’‘

Ref Price:
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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 
      Material   

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 

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 common sizes of steel pipes available?
The specific industry or application determines the availability of common sizes of steel pipes. However, different industries commonly use several standard sizes. These sizes are usually identified by their nominal pipe size (NPS) or outside diameter (OD). Steel pipes are commonly found in sizes such as 1/8 inch, ¼ inch, ½ inch, ¾ inch, 1 inch, 1 ¼ inch, 1 ½ inch, 2 inch, 2 ½ inch, 3 inch, 3 ½ inch, 4 inch, 5 inch, 6 inch, 8 inch, 10 inch, 12 inch, 14 inch, 16 inch, 18 inch, 20 inch, 24 inch, 26 inch, 30 inch, 36 inch, 42 inch, 48 inch, and 54 inch. These sizes are widely used in various applications, including plumbing, construction, oil and gas pipelines, structural supports, and industrial processes. It is important to note that these sizes may slightly differ according to industry standards or requirements. Moreover, steel pipes are available in different wall thicknesses known as schedules. The most commonly used schedules are schedule 40, schedule 80, schedule 160, and schedule XXS (extra extra strong). The schedule number indicates the pipe's wall thickness, with higher numbers indicating thicker walls. To summarize, the available common sizes of steel pipes range from 1/8 inch to 54 inches in diameter. These sizes are commonly used in different industries and applications, and their wall thickness can vary based on the specific schedule.
Q: What is the thermal conductivity of steel pipes?
The thermal conductivity of steel pipes can vary depending on the specific type of steel and its composition, but generally, steel has a relatively high thermal conductivity compared to other materials. It is typically around 50-60 W/m·K.
Q: Is the same specification seamless steel pipe more expensive than welded pipe?
Specifications of the same kind of seamless steel pipe than welded pipe prices are generally about 30% high, large diameter difference is greater.
Q: How are steel pipes used in nuclear power plants?
Steel pipes are extensively used in nuclear power plants for various purposes. They are primarily used for the transportation of coolant, such as water or gas, which helps in removing heat from the reactor core. Steel pipes are also used to convey steam generated by the reactor to the turbine, where it is used to generate electricity. Additionally, steel pipes are utilized for the transportation of various fluids, such as lubricants and chemicals, for different processes within the plant. The durability, strength, and resistance to high temperatures and pressure make steel pipes an ideal choice for these critical applications in nuclear power plants.
Q: What are the different methods of pipe support for steel pipes?
There are several different methods of pipe support for steel pipes, each designed to ensure the stability, alignment, and protection of the pipes. Some of the most commonly used methods include: 1. Pipe Hangers: These are devices that suspend or support the weight of the pipe from above. They are typically made of metal and can be adjustable or fixed, allowing for easy installation and maintenance. Pipe hangers can be used in various configurations, such as clevis hangers, beam clamps, or pipe rollers, depending on the specific application. 2. Pipe Shoes: These are supports that are directly attached to the bottom of the pipe, providing a stable resting surface. Pipe shoes are usually made of steel or other durable materials and are designed to prevent pipe movement, absorb vibrations, and distribute the weight evenly. They are commonly used in applications where pipes are subjected to high temperatures or where there is a need for thermal expansion. 3. Pipe Clamps: These are devices used to hold or fasten the pipes together or to a structure. Pipe clamps are typically made of metal and come in various sizes and designs to accommodate different pipe diameters and configurations. They provide support and prevent the pipes from sagging or moving, especially in areas where there are changes in direction or elevation. 4. Pipe Racks: These are structures that are specifically designed to support multiple pipes in an organized and secure manner. Pipe racks are commonly used in industrial settings, such as refineries or power plants, where large quantities of pipes need to be stored or supported. They are typically made of steel and can be customized to accommodate different pipe sizes and layouts. 5. Pipe Guides: These are devices that help guide and control the movement of the pipe, especially during thermal expansion or contraction. Pipe guides are typically fixed to the structure and provide a sliding surface to allow for the longitudinal movement of the pipe. They are commonly used in applications where there are changes in temperature, such as in steam or hot water systems. These are just a few of the many methods of pipe support for steel pipes. The choice of support method depends on factors such as pipe size, weight, temperature, and the specific requirements of the application. It is crucial to select the appropriate support method to ensure the longevity and integrity of the pipes and to prevent any potential issues such as sagging, misalignment, or failure.
Q: What is the outer diameter and wall thickness of DN40 steel pipe?
DN40, refers to the diameter of 40mm, that is, an inch and a half, there are welded pipe and galvanized pipe,Ordinary wall thickness 3.5mm wt 3.84kg/mThicken 4.25mm weight 4.58kg/m
Q: Can steel pipes be used for underground fire protection systems?
Yes, steel pipes can be used for underground fire protection systems. Steel pipes are commonly used in these systems due to their durability, strength, and resistance to fire. They can effectively withstand high temperatures and provide reliable and long-lasting protection against fire hazards in underground environments.
Q: How are steel pipes specified in engineering drawings?
Steel pipes are typically specified in engineering drawings by indicating their diameter, wall thickness, material grade, and length. Additional specifications may include the type of connection or joining method, surface finish requirements, and any specific standards or codes that need to be followed.
Q: What are the different methods of protecting steel pipes from corrosion?
There are several methods of protecting steel pipes from corrosion, including coating the pipes with materials such as epoxy, polyethylene, or zinc; applying cathodic protection by using sacrificial anodes or impressed current; and employing corrosion inhibitors to prevent the formation of rust. Regular maintenance and inspections are also crucial in identifying and addressing any potential corrosion issues.
Q: How are steel pipes protected against corrosion in marine environments?
Steel pipes are protected against corrosion in marine environments through various methods, including the use of protective coatings, cathodic protection systems, and selecting corrosion-resistant materials.

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