Seamless hot rolled black steel pipe Gr.B
- 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 place must use galvanized steel pipe to make lighting line?
- Galvanized steel is widely used in construction, machinery, coal, chemical industry, railway vehicles, automobile industry, highway, bridge, container, sports facilities, agricultural machinery, petroleum machinery, prospecting machinery and other manufacturing industries.
- Q:How are steel pipes protected against soil movement?
- Steel pipes are protected against soil movement through the use of various techniques such as trenching, backfilling, and proper installation of support structures. Additionally, protective measures like the use of casing pipes or concrete encasement can be employed to prevent direct contact with the soil and minimize the impact of soil movement on the steel pipes.
- Q:Can steel pipes be painted or coated?
- Yes, steel pipes can be painted or coated. Painting or coating steel pipes helps to protect them from corrosion, rust, and other environmental factors. It also enhances their aesthetic appearance and can be used to indicate the type of pipe or its function.
- Q:What is the difference between steel pipe and copper pipe?
- The main difference between steel pipe and copper pipe lies in their composition and properties. Steel pipe is typically made from carbon steel, which is an alloy of iron and carbon. On the other hand, copper pipe is made from copper, a naturally occurring metal. One key difference is their durability. Steel pipe is known for its strength and resilience, making it suitable for high-pressure applications and harsh environments. It is highly resistant to corrosion, making it a long-lasting option. Copper pipe, on the other hand, is known for its malleability and ease of installation. It is less durable than steel and can corrode over time, especially when exposed to certain chemicals or aggressive water conditions. Another difference is their thermal conductivity. Copper pipe is an excellent conductor of heat, making it ideal for applications that require efficient heat transfer, such as in plumbing systems for hot water supply. Steel pipe, however, has a lower thermal conductivity compared to copper, which may affect its performance in certain applications. Cost is another factor to consider. Copper pipe is generally more expensive than steel pipe due to the higher cost of copper as a raw material. Additionally, copper pipe requires specialized tools and techniques for installation, which can add to the overall cost. Steel pipe, on the other hand, is often more cost-effective and easier to work with, making it a popular choice for a wide range of applications. In summary, the main differences between steel pipe and copper pipe are their composition, durability, thermal conductivity, and cost. Each type has its own advantages and disadvantages, and the choice between them depends on the specific requirements of the application at hand.
- 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 various offshore applications, including the installation of wind turbine foundations, subsea cables, and other infrastructure. They offer durability, strength, and resistance to corrosion, making them suitable for the challenging marine environment. Additionally, steel pipes can be easily fabricated and installed, allowing for efficient construction processes in offshore wind farm projects.
- Q:How much is 4 inches steel tube MM?
- The standard wall thickness is 4mm, so the outer diameter is 114mm.
- Q:How are steel pipes used in the construction of chemical plants?
- Steel pipes are commonly used in the construction of chemical plants for various purposes. They are primarily utilized for transporting fluids and gases, such as chemicals, water, and steam, throughout the facility. These pipes are selected for their durability, strength, and resistance to corrosion, which is crucial in an environment where exposure to harsh chemicals is common. Steel pipes are also used for structural support, such as in the construction of platforms, walkways, and pipe racks. Additionally, they can be employed for ventilation and exhaust systems, as well as for fire protection systems in chemical plants. Overall, steel pipes play a vital role in ensuring the safe and efficient operation of chemical plants.
- Q:How are steel pipes insulated for thermal applications?
- Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.
- Q:Can steel pipes be used for underground stormwater drainage?
- Yes, steel pipes can be used for underground stormwater drainage. Steel pipes are commonly used in underground drainage systems due to their durability, strength, and resistance to corrosion. They can effectively manage the flow of stormwater and provide long-lasting solutions for underground drainage needs.
- Q:How are steel pipes used in wastewater treatment plants?
- Steel pipes are used in wastewater treatment plants for various purposes such as transporting wastewater, carrying chemicals and additives, and supporting the infrastructure.
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Seamless hot rolled black steel pipe Gr.B
- 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
OKorder Financial Service
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