ASTM seamless steel pipe for structure use

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 25 m.t.

Supply Capability:: 60000 m.t./month

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Packaging & Delivery

Packaging Detail:	black painting, plastic caps on both ends, according to customer's requirements
Delivery Detail:	20-30 days

Specifications

1. Min Order : 20 tons
2.OD: 20mm --508mm
3. WT: 3mm -- 60mm
4.Certification: ISO & API

ASTM A106 SEAMLESS STEEL PIPES FOR STRUCTURE USE

Hot rolled seamless steel pipes

1) Standard: API Standard:ASTM A106.ASTM A53,ASTM A135,ASTM A179,ASTM A214,ASTM A192,ASTM A226,ASTM A315,ASTM A178,ASTM A210,ASTM A333,ASTM A355,ASTM A369,ASTM A334 ASTM/ASME A312/SA312, ASTM/ASME A213/SA213, ASTM A269,ASTM 511,API5L,API5CT, GOST 9940,GOST 9941,JIS G 3459, JIS GS3463, GS3467, JIS G3448, DIN EN 10216-2006(DIN 17458) , DIN EN 10297-2006(DIN 17456) etc.

2) Steel Grade: ASTM A106 GRB,A53 GRB. API 5L GRB,API 5 CT N80,K55,A335 P11.P91,DIN ST52,ST44,ST35.8,ST37,ST42,ST45

3)Outside Diameter:1/2"-20" Or 21.3-508mm

4) Wall Thickness: 3-40mm

5) Application: The products are widely used in fertilizer, petroleum, central-station, boiler, power station, shipping military, chemical industry, environment protection, traffic, metallurgy and mine, printing and dyeing, food industry, medical equipment, and so on.

Production Equipment :
30 sets of Cold-drawn Machinery (Model: 3 ton to 500 ton)
Cold-rolled Machinery: Model LD-30, LD-60, LG-90H (L), LG-159H (L)
Automatic Roller Solution & Annealing Heat Treatment Equipment
18-meter-long Pickling Sin

QUALITY ASSURANCE:

1) Strictly acc. ASTM,DIN,JIS,EN,GOST etc

2) Sample: We are accept your sample requirement

3) Test: Eddy current / hydrostatic/ Ultrasonic/ Intergranular Corrosion or according to customers' request

3) Certificate:API, CE ,ISO9001.2000.MTC etc

4) Inspection: BV,SGS,others is avaliable.

High Quality Package :

1) In bundle with strip;

2) First packing by plastic bag then strip; Details packing please see the picture in the detial description.

3) In bulk

4) Client' requirements

5) Delivery: 1) Container: 25 tons/container for pipe with usual outer diameter. For 20" container the max length is 5.8m; For 40" container the max length is 11.8m.

2) Bulk carrier: It is no requirements to the length of the pipe. But its booking space time is long.

Our Advantages:

1) Fast Delivery: around 10days below 50Metric Tons after sight of Irrevocable L/C or Deposit;(lot of high quality steel pipe in stock)

2) Quality Assured: Strictly acc. To International standard ASTM & BS & EN & JIS, with System ISO certification

3) Good Service: supplied professional technical guide free of charge at anytime;

4) Reasonable Price: to be better support your business;

Q: What are the advantages of using steel pipes over other materials?: There are several advantages of using steel pipes over other materials. Firstly, steel pipes are incredibly durable and have a high tensile strength, making them resistant to extreme temperatures, pressure, and corrosion. Secondly, steel pipes have excellent structural integrity, allowing for longer spans and fewer supports. Additionally, steel pipes are highly versatile and can be easily welded, threaded, or joined, making installation and maintenance easier. Lastly, steel pipes are cost-effective in the long run as they require minimal maintenance and have a longer lifespan compared to other materials.

Q: Are steel pipes suitable for industrial cooling systems?: Yes, steel pipes are generally suitable for industrial cooling systems. Steel is a strong and durable material that can withstand high pressure and temperature fluctuations commonly found in cooling systems. It has excellent resistance to corrosion, making it ideal for use with water or other coolants. Additionally, steel pipes have good thermal conductivity, allowing for efficient heat transfer in the cooling process. They are also readily available and cost-effective, making them a popular choice in industrial applications.

Q: What are the different coatings used on steel pipes?: There are several different coatings used on steel pipes, including but not limited to epoxy coatings, polyethylene coatings, zinc coatings, and galvanized coatings.

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 advantages of using steel pipes in the mining industry?: One of the key advantages of using steel pipes in the mining industry is their exceptional strength and durability. Steel pipes can withstand high-pressure environments, heavy loads, and harsh conditions commonly found in mining operations. Additionally, steel pipes are resistant to corrosion, which is vital in mining where water and other chemicals are often present. Moreover, steel pipes offer excellent thermal conductivity, allowing for efficient transportation of fluids, such as water or slurry, crucial for mining processes. Lastly, steel pipes are relatively easy to install and maintain, making them a preferred choice for mining projects.

Q: What are the different grades of steel used for pipes?: Pipes are manufactured using various grades of steel, each possessing unique properties and applications. Some commonly utilized grades include: 1. Carbon Steel: This type of steel is widely employed in pipe manufacturing, particularly for low-pressure purposes. It contains a low carbon content, typically less than 0.30%, facilitating easy welding and forming. Carbon steel pipes are known for their durability and cost-effectiveness, making them suitable for diverse industries. 2. Stainless Steel: Stainless steel pipes are renowned for their corrosion resistance and high strength. They consist of an alloy of iron and chromium, with additional elements like nickel and molybdenum enhancing their properties. These pipes find extensive usage in industries such as chemical processing, food production, and oil and gas, where corrosion resistance is vital. 3. Alloy Steel: Alloy steel pipes are created by incorporating elements like manganese, chromium, or nickel into carbon steel. This enhances their strength, hardness, and wear resistance, rendering them appropriate for high-pressure and high-temperature applications. Industries such as power generation, petrochemical, and aerospace frequently employ alloy steel pipes. 4. Duplex Steel: Duplex steel represents a type of stainless steel that combines austenite and ferrite phases. This results in a material possessing exceptional strength, corrosion resistance, and toughness. Duplex steel pipes are commonly utilized in offshore oil and gas platforms, as well as in chemical and petrochemical industries. 5. Low-Temperature Steel: Low-temperature steel is specifically designed to withstand extremely cold temperatures without becoming brittle. These pipes find significant use in industries such as cryogenic storage, LNG transportation, and refrigeration. Choosing the appropriate grade of steel is crucial to ensure optimal pipe performance and longevity. Factors such as temperature, pressure, corrosion resistance, and cost should be taken into account when selecting the steel grade for pipes.

Q: How are steel pipes protected during transportation?: To ensure the safety and integrity of steel pipes during transportation, various measures are taken. One effective approach involves applying protective coatings to the pipes' exteriors. These coatings, such as epoxy or polyethylene, act as barriers against moisture, corrosion, and physical damage. Additionally, bundling the pipes together and securing them with strapping or bands prevents movement and potential collisions while in transit. To provide extra protection against impact and handling, wooden crates or containers may also be used. Furthermore, careful loading and unloading procedures are followed to minimize stress or strain on the pipes. By implementing these protective measures, steel pipes can safely reach their destination without compromising their quality or structural integrity.

Q: What's the difference between the fastener type steel pipe scaffold, the floor type steel pipe scaffold and the overhanging type steel pipe scaffold?: Butt fastener: used for connecting two steel pipe joints.The base and the pad: is set up in the bottom of the pedestal pole, pay attention to the distinction between base and the base plate, usually with steel plate and welded steel pipe, base usually put on a backing plate, and the plate can be wood can also be plate.The foot board (see the diagram below), safety net (no explanation, this is very simple).

Q: What is the typical diameter range of steel pipes?: The typical diameter range of steel pipes can vary depending on various factors such as the intended application, industry standards, and specific project requirements. However, in general, steel pipes are available in a wide range of diameters to suit different purposes. Commonly used diameters for steel pipes can range from small diameters of around 0.5 inches (12.7 mm) to larger diameters of several feet or more. This range allows for various applications such as plumbing, oil and gas transportation, structural support, and industrial processes. Ultimately, the specific diameter of a steel pipe will be determined by the specific needs of the project or application at hand.

Q: How are steel pipes used in the manufacturing of irrigation systems?: Steel pipes are commonly used in the manufacturing of irrigation systems due to their durability, strength, and ability to withstand high water pressure. These pipes are used to transport water from the source to the farmland or fields, ensuring efficient and reliable irrigation. Additionally, steel pipes are corrosion-resistant, making them ideal for use in various environmental conditions.

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