Carbon structural steel seamless steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 18000 m.t./month
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1、Structure of Carbon structural steel seamless steel pipe :
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of Carbon structural steel seamless steel pipe :
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Carbon structural steel seamless steel pipe Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 8 - 33 mm |
Section Shape | Round |
Outer Diameter | 133 - 219 mm |
Place of Origin | Shandong, China (Mainland) |
Secondary Or Not | Non-secondary |
Application | Hydraulic Pipe |
Technique | Cold Drawn |
Certification | API |
Surface Treatment | factory state or painted black |
Special Pipe | API Pipe |
Alloy Or Not | Non-alloy |
Length | 5-12M |
Outer Diameter | 21.3-610mm |
Grade | 20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B |
Standard | ASME, ASTM |
1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.
2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.
3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Carbon structural steel seamless steel pipe
①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.
②How about price?
Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.
③Why should you chose us?
Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.
6、Carbon structural steel seamless steel pipe Images：
- Q: What are the different methods of pipe inspection for steel pipes?
- There are several methods of pipe inspection that can be used for steel pipes. Some of the commonly used methods are as follows: 1. Visual Inspection: This is the most basic form of pipe inspection where a trained inspector visually examines the exterior and interior of the pipe to identify any visible defects or abnormalities. This method is often used as a preliminary inspection before more advanced techniques are employed. 2. Magnetic Particle Inspection (MPI): MPI involves applying a magnetic field to the steel pipe and then applying iron particles to the surface. Any surface cracks or defects in the pipe will cause a leakage of magnetic flux, which can be detected by the inspector. This method is particularly effective in identifying surface defects in ferromagnetic materials. 3. Ultrasonic Testing (UT): UT is a non-destructive testing method that uses high-frequency sound waves to detect internal defects or anomalies in steel pipes. A transducer is used to send ultrasonic waves into the pipe, and the reflections or echoes of the sound waves are analyzed to determine the presence of defects such as corrosion, cracks, or wall thickness variations. 4. Radiographic Testing (RT): In this method, X-rays or gamma rays are used to create an image of the internal structure of the steel pipe. The X-rays or gamma rays pass through the pipe, and the resulting image can reveal any defects, such as cracks, corrosion, or weld discontinuities. This method is commonly used for inspecting welded joints. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing technique that uses electromagnetic induction to detect surface and near-surface defects in steel pipes. A coil carrying an alternating current is passed over the pipe's surface, and any changes in the electrical conductivity or magnetic field caused by defects are detected and analyzed. 6. Acoustic Emission Testing (AET): AET is a method that detects and analyzes the high-frequency acoustic signals emitted by materials when they undergo deformation or damage. In the case of steel pipes, AET can be used to monitor and identify defects such as cracks, leaks, or corrosion by analyzing the acoustic signals emitted during service or under stress. These are just a few of the commonly used methods of pipe inspection for steel pipes. The choice of method depends on various factors such as the type of defect being looked for, the accessibility of the pipe, the desired level of sensitivity, and the cost and time constraints. It is often recommended to use a combination of inspection techniques to ensure a thorough assessment of the steel pipes.
- Q: How are steel pipes tested for quality control?
- Steel pipes are tested for quality control through various methods such as visual inspection, dimensional checks, and non-destructive testing techniques including ultrasonic testing, magnetic particle inspection, and hydrostatic pressure testing. These tests ensure that the pipes meet the required specifications, standards, and structural integrity, ensuring their quality and reliability.
- Q: What are the different sizes of threads available for steel pipes?
- The different sizes of threads available for steel pipes can range from 1/8 inch to 4 inches, with various standard sizes in between.
- Q: What are the different types of gaskets used with steel pipes?
- There are several types of gaskets commonly used with steel pipes, including spiral wound, ring joint, and flat gaskets. Spiral wound gaskets are made by winding a metal strip and a filler material together, providing excellent sealing properties. Ring joint gaskets are typically used in high-pressure applications and have a metallic ring shape to ensure a tight seal. Flat gaskets, on the other hand, are simple, flat pieces of material, often made from rubber or graphite, and are used for low-pressure applications.
- Q: How are steel pipes tested for quality and strength?
- Steel pipes are tested for quality and strength through various methods, including destructive and non-destructive testing. Destructive tests involve subjecting samples to extreme conditions such as tension, compression, or bending to assess their mechanical properties. Non-destructive tests, on the other hand, utilize techniques like ultrasonic inspection, magnetic particle testing, and radiographic examination to detect any defects or anomalies without damaging the pipes. These rigorous testing procedures ensure that steel pipes meet the required standards and can withstand the intended applications.
- Q: What are the safety precautions when working with steel pipes?
- When working with steel pipes, it is important to follow safety precautions to minimize the risk of accidents and injuries. Some key safety measures include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against cuts, burns, and falling objects. It is crucial to use proper lifting techniques or equipment when handling heavy steel pipes to avoid strains or back injuries. Additionally, workers should be cautious of potential hazards such as sharp edges, welding sparks, or exposure to hazardous materials. Regular inspection and maintenance of equipment and tools is necessary to ensure their safe operation. Proper training, awareness of surroundings, and adherence to safety protocols are essential for a secure working environment when dealing with steel pipes.
- Q: How are steel pipes protected against microbial corrosion?
- Steel pipes are protected against microbial corrosion through various methods, such as applying protective coatings or linings on the pipes' inner and outer surfaces. These coatings act as a barrier, preventing the contact of microorganisms with the steel surface, thereby reducing the risk of microbial corrosion. Additionally, biocides and inhibitors can be added to the pipe's contents or injected into the pipeline to inhibit the growth and activity of microbes, further protecting the steel pipes from microbial corrosion.
- Q: How to make the internal tooth of the steel pipe?
- Cylindrical thread can be used, if the tube is too long, you may consider a short tube with thread, and then welded to the long tube. Taper thread is more difficult to use than ordinary vehicle, and the tap is generally considered. The tap can be clamped on the tailstock.
- Q: How are steel pipes used in the construction of oil and gas pipelines?
- Steel pipes are commonly used in the construction of oil and gas pipelines due to their durability and strength. These pipes provide a reliable and safe means of transporting oil and gas over long distances. They are used to create a network of interconnected pipes that can withstand high pressure and extreme temperatures. Additionally, steel pipes are resistant to corrosion, making them suitable for transporting corrosive fluids. Overall, steel pipes play a crucial role in the construction of oil and gas pipelines by ensuring the efficient and secure transportation of these valuable resources.
- Q: What is the difference between seamless steel pipes and seamless alloy steel pipes?
- The main difference between seamless steel pipes and seamless alloy steel pipes lies in their composition. Seamless steel pipes are made from carbon steel, while seamless alloy steel pipes are made from various alloying elements such as chromium, molybdenum, and nickel, among others. This difference in composition gives seamless alloy steel pipes enhanced properties such as increased strength, corrosion resistance, and temperature resistance, making them suitable for more demanding applications in industries like oil and gas, aerospace, and power generation.
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Carbon structural steel seamless steel pipe
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 18000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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