ASTM seamless pipe with high quality and best price in CNBM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
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OKorder Financial Service
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1、Structure of ASTM seamless pipe with high quality:
a. Carbon seamless steel pipe
b. Standard:
ASME SA106/53B
ASTM A106/53B
GB/T8162 GB/T8163
API 5L GR.B
DIN2391
JIS S20C S45C
c. Grade: A53B A106B 20# 45# 16Mn st52;
d. Size: 1"-16" SCH40 SCH80 SCH160
e. Processing technique: hot rolled/cold drawn;
f. Length: 6-12m
g. Surface: painted with varnish;
h. Plastic caps at ends.
i. Tolerance: OD +1%/-1%
WT +12.5%/-10%
2、Main Features of ASTM seamless pipe with high quality:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、ASTM seamless pipe with high quality 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 ASTM seamless pipe with high quality:
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、ASTM seamless pipe with high quality Images：
- Q: How do you calculate the pipe head loss for steel pipes?
- The Darcy-Weisbach equation is utilized for calculating the pipe head loss in steel pipes. This equation establishes a connection between the head loss (hL) and various factors such as the flow rate (Q), pipe diameter (D), pipe length (L), fluid density (ρ), fluid velocity (V), and the friction factor (f). The formula can be expressed as: hL = (f * (L/D) * (V^2))/(2g) Where: - The head loss (hL) is measured in meters - The friction factor (f) is dimensionless - The pipe length (L) is measured in meters - The pipe diameter (D) is measured in meters - The fluid velocity (V) is measured in meters per second - The acceleration due to gravity (g) is typically taken as 9.81 m/s^2 The friction factor (f) relies on the Reynolds number (Re) of the flow, which is a dimensionless quantity representing the ratio of inertial forces to viscous forces. The Reynolds number can be calculated using the following equation: Re = (ρ * V * D) / μ Where: - The Reynolds number (Re) is dimensionless - The fluid density (ρ) is measured in kg/m^3 - The fluid velocity (V) is measured in meters per second - The pipe diameter (D) is measured in meters - The dynamic viscosity of the fluid (μ) is measured in Pa·s or N·s/m^2 The friction factor (f) can be obtained from empirical correlations or from Moody's diagram, which establishes a connection between the Reynolds number, the relative roughness of the pipe surface, and the friction factor. By substituting the calculated friction factor (f) and other known values into the Darcy-Weisbach equation, the head loss in the steel pipe can be determined. It is important to note that the head loss represents the energy lost due to friction and other factors and is usually expressed in terms of pressure drop or height difference.
- 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: What are the factors that affect the lifespan of steel pipes in different environments?
- The factors that affect the lifespan of steel pipes in different environments include exposure to corrosive substances, temperature fluctuations, water quality, and mechanical stress.
- Q: Can steel pipes be used for conveying corrosive substances?
- Steel pipes can be used for conveying corrosive substances, but it is important to choose the right type of steel and consider additional protective measures. Stainless steel pipes, for example, are highly resistant to corrosion and can handle a wide range of corrosive substances. However, it is crucial to consider the specific corrosive properties of the substance being conveyed and the concentration levels. In some cases, additional protective coatings or linings may be necessary to prevent corrosion and ensure the longevity of the steel pipes. Regular maintenance and inspection are also essential to detect and address any signs of corrosion to prevent leaks or failures in the piping system. Overall, steel pipes can be used for conveying corrosive substances, but proper material selection, protective measures, and maintenance are vital to ensure safe and efficient operations.
- Q: Difference and application of seamless hot rolled pipe and cold drawn pipe in seamless steel tube
- The general production of hot-rolled seamless steel pipe in the automatic tube rolling mill. Solid billet after inspection and clearance of surface defects, cut into required length, in the tube hole end surface of centering, then sent to a heating furnace, in punch in punch. While continuing to rotate and advance, in the roll and immediate action, tube gradually form a cavity, called capillary. Sent to the automatic tube rolling mill on rolling. Finally after all the entire thickness, sizing machine sizing, achieve specifications. Using continuous pipe mill production of hot-rolled seamless steel tube is advanced.1.2, in order to obtain smaller size and better quality of seamless tube, cold rolling, cold drawing must be used or combined method of cold rolling. Usually in two roller mill, rolling ring groove tapered plug pipe in variable cross section circular slot and the composition. Drawing is usually in single or double 0.100T chain drawbench.1.3, the extrusion method will soon heat the tube blank in the closed extrusion cylinder, the perforation bar and extrusion rod movement, so that extrusion parts from the smaller die hole extrusion. This method can produce smaller diameter steel pipe
- Q: How are steel pipes used in the manufacturing of bridges?
- Steel pipes are commonly used in the manufacturing of bridges for various purposes such as the construction of bridge piers, support columns, and structural elements. These pipes provide strength, durability, and flexibility to withstand heavy loads and harsh environmental conditions. They are often used to create the framework and support systems of the bridge, ensuring stability and longevity. Additionally, steel pipes may be used for the transportation of fluids, such as water or gas, across the bridge.
- Q: How do steel pipes differ from other types of pipes?
- Steel pipes possess several distinct characteristics that set them apart from other pipe types. Primarily, their strength and durability are well-known. They exhibit remarkable resistance to heat, pressure, and corrosion, rendering them suitable for numerous applications. Additionally, their robustness allows them to bear heavy loads and offer an extended service life. One distinguishing feature of steel pipes lies in their versatility. They can be manufactured in various shapes and sizes to fulfill specific project requirements. This adaptability has contributed to their popularity across a diverse range of industries, including construction, oil and gas, water treatment, and manufacturing. Moreover, steel pipes exhibit exceptional thermal conductivity, facilitating efficient heat transfer between different areas. Consequently, they prove suitable for applications involving heating and cooling systems, as well as the transportation of hot fluids or gases. Furthermore, steel pipes are renowned for their resistance to fire. They possess a high melting point and are not easily ignited or conducive to the spread of flames. This characteristic is particularly critical in applications where fire safety is a concern, such as buildings or industrial facilities. Lastly, although steel pipes may entail a higher initial cost compared to other pipe types, their long-term benefits, such as durability and low maintenance requirements, often outweigh the initial investment. Additionally, steel pipes are highly recyclable, making them an environmentally friendly choice. In summary, steel pipes stand out due to their strength, durability, versatility, excellent thermal conductivity, fire resistance, and recyclability. These remarkable qualities establish steel pipes as the preferred option for a wide range of applications across various industries.
- Q: Can steel pipes be used for underground drainage?
- Yes, steel pipes can be used for underground drainage. Steel pipes are commonly used in underground drainage systems due to their durability, strength, and resistance to various environmental factors. They are able to withstand heavy loads, pressures, and corrosion, making them suitable for long-term underground drainage applications.
- Q: How are steel pipes connected in pipeline construction?
- Steel pipes are connected in pipeline construction through various methods, such as welding, threading, and flanges. Welding involves melting the ends of two pipes together to form a strong and permanent bond. Threading involves cutting grooves into the ends of pipes, which are then screwed together using threaded fittings. Flanges are used to connect pipes by bolting them together, creating a secure and leak-proof connection. These connection methods ensure the integrity and durability of the pipeline system.
- Q: What are the safety precautions to consider when working with steel pipes?
- When working with steel pipes, it is important to follow several safety precautions. Firstly, always wear appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect yourself from potential injuries. Additionally, ensure that the work area is well-lit and clear of any obstructions to prevent tripping hazards. It is crucial to use proper lifting techniques or mechanical lifting equipment when handling heavy steel pipes to prevent strains or back injuries. Furthermore, be cautious of sharp edges or burrs on the pipes, as they can cause cuts or punctures. Finally, when working with welding or cutting equipment, make sure to follow proper procedures and wear appropriate flame-resistant clothing to prevent burns or fire hazards. Overall, prioritizing safety measures and being aware of potential risks are essential when working with steel pipes.
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ASTM seamless pipe with high quality and best price in CNBM
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 50000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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