Carbon seamless steel pipe DIN17175 ST35 high quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 10000 m.t./month
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1. Commodity Name: Seamless steel pipe
2. Standard: API,GB,ASTM,ASME,DIN
3. Quality grade: 10#, 20#, A106B, A53B, API 5L B, Q235, Q345, ST37-2, ST 45, ST52.etc.
4. Dimension:
OD: 1/2"-24"
WT: 2.5-80mm, SCH10~SCH40~XXL
length: 5.8m,6m,8m,9m,12m
5. Technique: Hot Rolled/Cold Rolled/ Cold Drawn
6. application
carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.
7. Payment Terms: L/C D/A D/P T/T
8.packing and shipment
Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing
For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.
9. Surface: painted with varnish;
10. Plastic caps at ends.
11. Tolerance: OD +1%/-1%
WT +12.5%/-10%
12. Chemical composition:
Models of Steel Pipes | Chemical Component | |||||||
Steel 20 (ASTM A106B) | C | Si | Mn | P | S | Cu | Ni | Cr |
0.17~0.24 | 0.17~0.37 | 0.35~0.65 | 0.035max | 0.035max | 0.25max | 0.25max | 0.25max | |
Steel45 (ASTM 1045) | 0.42~0.50 | 0.17~0.37 | 0.50~0.80 | 0.035max | 0.035max | 0.25max | 0.25max | 0.25max |
16Mn(Q345B) | 0.12~0.20 | 0.20~0.55 | 1.20~1.60 | 0.035max | 0.035max | 0.25max | 0.25max | 0.25max |
45Mn2 ( ASTM1345) | 0.42~0.49 | 0.17~0.37 | 1.40~1.80 | 0.035max | 0.035max | 0.3max | 0.3max | 0.30max |
- Q: What does "steel pipe SC" mean?
- SC (run in welded steel duitconSC is the line laying mode GB letter of wire is worn steel pipe laying (welded steel pipe, low pressure fluid) SC70 said the conductor by low pressure fluid DN70 welded steel pipe as protection pipe laying, DN70 said the nominal pipe diameter is 70mm, the nominal pipe diameter is 70mm (a series of values, the actual diameter slightly different).
- Q: How are steel pipes used in the construction of natural gas power plants?
- Steel pipes are used in the construction of natural gas power plants primarily for transporting and distributing the fuel. These pipes are used to transport natural gas from the source to various components within the power plant, such as turbines and generators, for efficient combustion. Additionally, steel pipes are also used for cooling systems, waste gas removal, and other crucial functions in the overall construction and operation of natural gas power plants.
- Q: Can steel pipes be used for the construction of offshore wind farms?
- Yes, steel pipes can be used for the construction of offshore wind farms. Steel pipes are commonly used for the installation of offshore wind turbines, as they provide structural support for the foundations and turbine structures. These pipes are designed to withstand harsh marine conditions, such as strong waves and corrosive saltwater. Additionally, steel pipes are durable and can be easily transported and installed in deep waters, making them a reliable choice for offshore wind farm construction.
- Q: How are steel pipes protected against UV radiation?
- Steel pipes are typically protected against UV radiation through the application of specialized coatings or paints that contain UV inhibitors. These coatings form a barrier between the steel surface and the sun's UV rays, preventing degradation, discoloration, and potential structural damage caused by prolonged exposure to UV radiation.
- Q: How are steel pipes measured and sized?
- Steel pipes are measured and sized based on their outer diameter (OD) and wall thickness. The OD is the measurement of the outer circumference of the pipe, while the wall thickness refers to the thickness of the pipe's walls. These two measurements are essential in determining the size of steel pipes, which are commonly categorized using nominal pipe size (NPS) or nominal diameter (DN). NPS is a North American standard, while DN is an international standard. The sizing process ensures uniformity and facilitates compatibility with fittings and other pipeline components.
- Q: How are steel pipes protected against external mechanical damage?
- Various methods are employed to safeguard steel pipes against external mechanical damage. One notable approach involves the utilization of protective coatings, which act as a physical barrier between the steel surface and external forces like impact or abrasion. Coatings can be applied using techniques such as painting, epoxy coating, or wrapping the pipe with materials such as polyethylene or polypropylene. Another means of protection is the application of external casing or encasement. This involves installing casing pipes around the steel pipes to provide an additional layer of defense. These casing pipes are typically composed of resilient materials such as concrete, PVC, or ductile iron, which are resistant to external mechanical damage. Moreover, steel pipes can be safeguarded through the implementation of supports and restraints. Properly designed supports and restraints aid in evenly distributing external forces and preventing excessive stress or deformation on the pipe. This can be achieved by employing hangers, clamps, or brackets to secure the pipe in place and minimize the risk of mechanical damage. Furthermore, protective measures can be employed to prevent accidental impacts or collisions that may harm the steel pipes. This can involve the installation of protective barriers, fencing, or warning signs to alert individuals to the presence of pipelines and prevent inadvertent damage. In conclusion, a combination of protective coatings, casing, supports, and preventive measures are utilized to ensure the protection of steel pipes against external mechanical damage. These measures are crucial in maintaining the structural integrity of the pipes and ensuring their long-term performance and reliability.
- Q: Are steel pipes resistant to earthquakes?
- Steel pipes are generally considered to be more resistant to earthquakes compared to other materials such as concrete or PVC pipes. This is due to the inherent properties of steel, which include its high tensile strength and flexibility. During an earthquake, steel pipes can absorb and distribute the seismic energy more effectively, allowing them to better withstand the shaking and ground movements. Additionally, steel pipes have the ability to deform without rupturing or collapsing, minimizing the risk of structural failure. However, it is important to note that the earthquake resistance of steel pipes ultimately depends on various factors such as the design, installation, and overall structural integrity of the piping system. Proper engineering and construction practices should be followed to ensure the highest level of earthquake resistance for steel pipes.
- Q: How do you repair a damaged steel pipe?
- To repair a damaged steel pipe, the first step is to assess the extent of the damage. Once identified, the damaged section can be cut out and replaced with a new piece of pipe. Alternatively, for smaller damages, patches or clamps can be used to cover the affected area. It is essential to clean and prepare the surface properly before applying any repair method, such as welding or epoxy. Seeking professional help is recommended for complex or extensive damages to ensure a safe and effective repair.
- Q: Are steel pipes suitable for underground irrigation systems?
- Yes, steel pipes can be suitable for underground irrigation systems. Steel pipes are known for their durability and strength, making them resistant to corrosion and able to withstand high pressure. They are also less likely to crack or break under the ground's weight or pressure. Additionally, steel pipes have a long lifespan, reducing the need for frequent replacements. However, it is important to consider the type of water being transported, as certain minerals or chemicals in the water can cause corrosion over time. In such cases, it may be necessary to use corrosion-resistant coatings or liners. Overall, steel pipes are a reliable choice for underground irrigation systems, especially in areas with high water pressure or where durability is a priority.
- Q: What is the maximum temperature that steel pipes can handle?
- The maximum temperature that steel pipes can handle depends on the specific grade of steel being used. However, most common steel pipes can withstand temperatures up to around 1000 degrees Celsius (1832 degrees Fahrenheit) without significant structural damage.
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Carbon seamless steel pipe DIN17175 ST35 high quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 10000 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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