Seamless steel pipe API,GB,ASTM,ASME,DIN high quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 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: How are steel pipes used in the manufacturing of wastewater treatment systems?
- Steel pipes are used in the manufacturing of wastewater treatment systems for various purposes such as carrying and transporting wastewater, providing structural support to the system, and facilitating the flow of water and chemicals throughout the treatment process.
- Q: What is the standard length of a steel pipe?
- The standard length of a steel pipe can vary depending on the application and industry, but commonly it ranges from 18 to 24 feet.
- Q: Is steel pipe made of profiles?
- According to the shape of the cross-section, the steel is generally divided into profiles, plates, pipes and metal products in four categories.Therefore, the steel pipe belongs to the pipe, not the profile.
- Q: How to perform nondestructive inspection of steel tubes
- The detection principle is based on the ferromagnetic material is magnetized in a magnetic field, discontinuity materials and products (defects) produce leakage magnetic field, magnetic powder adsorption (or detecting) and appear (or on the instrument display). Therefore, this method can only be used for the inspection of the surface or near surface defects of ferromagnetic materials or products.
- Q: How do you join two steel pipes together without welding?
- There are various ways to join two steel pipes together without welding. Mechanical fittings or connectors are commonly used for this purpose. These fittings are designed to securely connect pipes without the need for welding. Here are a few options you can explore: 1. Threaded Fittings: You can use threaded fittings, which have male and female threads that allow you to screw them together. To join the pipes, you will need to cut the ends of the pipes to create male and female threads. Apply thread sealant to ensure a tight and leak-free connection. 2. Compression Fittings: Another option is compression fittings, which consist of a nut, a compression ring, and a compression seat. These fittings create a tight seal by compressing the ring against the seat. Simply slide the compression ring and nut onto the pipe ends, and use a wrench to tighten the nut until a secure connection is formed. 3. Flange Connections: Flange connections involve using flanges, which are flat plates with bolt holes, to join the pipes. The flanges are bolted together using gaskets to create a tight seal. This method is commonly used for larger diameter pipes or in situations where frequent disassembly may be necessary. 4. Grooved Couplings: Grooved couplings are another option, particularly in plumbing and fire protection systems. They utilize a mechanical coupling housing with two grooved ends that fit over the pipe ends. The coupling is then secured using bolts or screws, which tighten the housing around the pipe ends, creating a secure connection. Before deciding on a method, it is crucial to consider the specific requirements of your application, such as the pipe diameter, pressure, and temperature. Additionally, ensure that the chosen method complies with relevant industry standards and regulations to ensure a safe and reliable connection.
- Q: What are the quality control measures for steel pipe manufacturing?
- The quality control measures for steel pipe manufacturing typically include various stages of inspection and testing, starting from raw material evaluation to the final product. These measures may include checking the chemical composition and mechanical properties of the steel, conducting non-destructive testing such as ultrasonic or magnetic particle inspection, monitoring the dimensions and surface finish of the pipes, and ensuring compliance with relevant industry standards and specifications. Additionally, quality control measures may involve regular maintenance and calibration of equipment, rigorous documentation and traceability of processes, and continuous monitoring and improvement of manufacturing techniques to meet the desired quality standards.
- Q: What is the process of coating steel pipes?
- The process of coating steel pipes involves several steps. First, the pipes are cleaned to remove any dirt, rust, or other contaminants. Then, a primer is applied to enhance adhesion and provide a protective layer. Next, the pipes are coated with a specialized coating material, such as epoxy, polyethylene, or zinc, depending on the desired level of corrosion resistance. This coating is applied using various methods, including spraying, dipping, or wrapping. Finally, the coated pipes undergo a curing process, which allows the coating to harden and form a durable barrier against corrosion.
- Q: How are steel tubes represented?
- Galvanized pipe: InchSeamless steel tube, welded pipe, nonferrous metal pipe, etc.: outer diameter x wall thickness
- Q: What are the common standards for steel pipe manufacturing?
- The common standards for steel pipe manufacturing include specifications set by organizations such as the American Society for Testing and Materials (ASTM), the International Organization for Standardization (ISO), and the American National Standards Institute (ANSI). These standards cover various aspects such as size, dimensions, material properties, manufacturing process, and testing requirements to ensure the quality and consistency of steel pipes.
- Q: Can steel pipes be used for oil refineries?
- Yes, steel pipes are commonly used in oil refineries due to their high strength, durability, and resistance to corrosion, making them suitable for transporting various petroleum products and chemicals within the refinery infrastructure.
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Seamless steel pipe API,GB,ASTM,ASME,DIN high quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 m.t.
- Supply Capability:
- 5000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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