SPIRAL WELDED STEEL PIPE 12'' 14‘’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: When can I use the PVC pipe and when to use the galvanized pipe?
- PVC pipeline use temperature is -5 to 90 degrees or so, according to the current market price of around 6000 yuan per ton, the price is cheap. Its corrosion resistance is good, can resist most of the acid and alkali, and unlike the steel pipe that is easy to rust, so in the construction of the upper and lower water pipes and other fields have gradually replaced the trend of steel pipe.
- Q: How do you calculate the pipe flow velocity coefficient for steel pipes?
- The Manning's equation is employed to determine the flow velocity in open channels and pipes, taking into consideration the hydraulic radius, slope, and roughness coefficient of the pipe. By applying this equation, the pipe flow velocity coefficient for steel pipes can be calculated. To ascertain the pipe flow velocity coefficient for steel pipes, the following steps should be followed: 1. Calculate the hydraulic radius (R) of the steel pipe by dividing the cross-sectional area (A) of the pipe by the wetted perimeter (P). The formula to use is R = A/P. 2. Determine the slope (S) of the pipe, which is the change in elevation divided by the length of the pipe. Usually, it is expressed as a ratio or a percentage. 3. Obtain the roughness coefficient (n) of the steel pipe, representing the internal roughness of the pipe. This information can be found in literature or pipe manufacturer specifications, often given in terms of the Manning's roughness coefficient. 4. Insert the values of hydraulic radius (R), slope (S), and roughness coefficient (n) into the Manning's equation: V = (1/n) * R^(2/3) * S^(1/2) where V signifies the flow velocity. 5. Solve the equation for V to calculate the pipe flow velocity coefficient for steel pipes. It is crucial to note that the calculated velocity coefficient may differ depending on specific pipe dimensions, flow conditions, and other factors. Therefore, it is advisable to consult relevant engineering standards or seek guidance from a hydraulic engineer to ensure accurate and reliable calculations for specific applications.
- Q: Are steel pipes suitable for use in sewage treatment plants?
- Yes, steel pipes are suitable for use in sewage treatment plants. Steel pipes are durable, corrosion-resistant, and have a long lifespan, making them ideal for handling the harsh conditions and corrosive substances found in sewage systems. Additionally, steel pipes offer high strength and are capable of withstanding high-pressure flows, making them a reliable choice for sewage treatment plants.
- Q: What are the different types of threading on steel pipes?
- The different types of threading on steel pipes include tapered threads, straight threads, and buttress threads. Tapered threads are commonly used for pipes that will be screwed into fittings, while straight threads are typically used for pipes that will have a coupling or union attached. Buttress threads are designed for heavy-duty applications and provide increased strength and resistance to axial loads.
- Q: How do you determine the wall thickness of a steel pipe?
- To determine the wall thickness of a steel pipe, there are a few methods you can use. The most common and accurate method is to measure it using a caliper or micrometer. First, ensure that the pipe is clean and free from any debris or rust. Then, take the caliper or micrometer and gently place it around the circumference of the pipe, making sure it is perpendicular to the surface. Carefully close the jaws of the measuring tool until they are snug against the pipe, but not so tight that they deform the shape. Once the jaws are closed, read the measurement displayed on the tool. This measurement represents the distance between the inner and outer diameter of the pipe, which is equal to the wall thickness. Alternatively, if you don't have access to a caliper or micrometer, you can use a pipe wall thickness gauge. These gauges have a set of pins or rollers that can be inserted into the pipe, providing you with an accurate measurement. Simply insert the pins into the pipe, ensuring they are properly aligned with the wall, and check the reading displayed on the gauge. It's important to note that when measuring the wall thickness of a steel pipe, you should take multiple readings at different points along the pipe to account for any variations. This will provide you with a more accurate average measurement.
- Q: Can steel pipes be used for stormwater management systems?
- Yes, steel pipes can be used for stormwater management systems. Steel pipes are commonly used in stormwater management systems for their durability, strength, and resistance to corrosion. They can efficiently transport stormwater runoff, helping to manage and control its flow. Additionally, steel pipes can be customized to meet specific project requirements, making them a versatile choice for stormwater management systems.
- Q: Hot galvanized steel pipe for use?
- The use of hot galvanized steel pipe: mainly used for the delivery of gas, heating.In the greenhouse gas, heating, with the kind of pipe and galvanized pipe, galvanized pipe as a water pipe, produced a lot of rust in the tube, the outflow of water not only pollute the sanitary ware, and mixed with smooth inner wall corrosion caused by bacteria, heavy metal content in the water is too high, serious harm to human health. In 60s and 70s, developed countries began to develop new types of pipes, and galvanized pipes were banned. China's Ministry of construction and other four ministries have also issued a civilization, from two, 000 years since the prohibition of galvanized pipe, the current New District cold water pipe has rarely used galvanized pipe, and some of the hot water pipe is galvanized pipe.
- Q: How are steel pipes used in structural applications?
- Steel pipes are commonly used in structural applications due to their strength, durability, and versatility. They can be used as load-bearing members in buildings, bridges, and other structures to provide support and stability. Additionally, steel pipes can be easily fabricated and joined together, allowing for various configurations and designs. Their resistance to corrosion and ability to withstand high temperatures also make them suitable for applications in harsh environments. Overall, steel pipes play a crucial role in enhancing the structural integrity and longevity of various construction projects.
- Q: What are the common applications of steel pipes?
- Steel pipes have a wide range of common applications in various industries including oil and gas transportation, plumbing systems, structural support in construction, irrigation systems, and industrial processes such as water and wastewater treatment.
- Q: Can steel pipes be used in the automotive industry?
- Yes, steel pipes can be used in the automotive industry. Steel pipes are commonly used in the automotive industry for various applications such as exhaust systems, fuel lines, and structural components due to their high strength, durability, and resistance to corrosion.
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SPIRAL WELDED STEEL PIPE 12'' 14‘’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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