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 is the role of steel pipes in the mining and extraction of minerals?: Steel pipes play a critical role in the mining and extraction of minerals as they are used for various applications throughout the process. These durable pipes are commonly employed to transport and distribute water, chemicals, and compressed air to different areas of the mine. Additionally, steel pipes are utilized in the construction of mine shafts, tunnels, and underground structures, providing stability and support. Their ability to withstand harsh conditions, resistance to corrosion, and high strength make steel pipes an indispensable component in the mining industry.

Q:How do you measure the thickness of steel pipes?: One common method to measure the thickness of steel pipes is to use a specialized tool called a pipe thickness gauge. This device consists of a small, handheld instrument with a probe that is inserted into the pipe. By applying pressure to the probe, the gauge can accurately determine the thickness of the pipe's wall. Additionally, ultrasonic testing can also be employed to measure the thickness by sending sound waves through the pipe and analyzing the reflections.

Q:What's the gate number of the precision steel pipe?: This kind of steel tube and ordinary hot-rolled seamless steel pipe and cold drawn seamless steel tube in the outer surface is different from the outer surface, and the diameter of the smooth finish of precision steel tube, stainless steel color and the same, inside and outside surface due to manufacturing reasons with a layer of oil.

Q:Can steel pipes be used for conveying solids?: Yes, steel pipes can be used for conveying solids. Steel pipes are commonly used in various industries to transport solid materials such as ores, minerals, grains, and other bulk materials. They are durable, resistant to high pressure and temperature, and have a smooth interior surface that allows for efficient flow of solids.

Q:What is the difference between steel pipe and fiberglass pipe?: Steel pipe and fiberglass pipe are two different types of materials used for piping systems. One major difference between steel pipe and fiberglass pipe is the material they are made of. Steel pipe is made from steel, which is an alloy of iron and carbon. It is known for its strength and durability, making it a popular choice for various applications, including plumbing, construction, and industrial projects. On the other hand, fiberglass pipe is made from glass fibers embedded in a resin matrix. This combination results in a lightweight and corrosion-resistant material, making it suitable for applications where chemical resistance is required, such as in the chemical industry or wastewater treatment plants. Another difference between steel pipe and fiberglass pipe is their flexibility. Steel pipe is known for its rigidity and stiffness, which makes it less flexible than fiberglass pipe. This rigidity can be an advantage in certain applications where stability and strength are crucial, such as underground infrastructure or high-pressure systems. Fiberglass pipe, on the other hand, offers more flexibility, allowing it to bend and conform to different shapes and contours. This flexibility makes it easier to install in tight spaces or areas with complex geometries. Corrosion resistance is another important difference between steel pipe and fiberglass pipe. Steel pipe is susceptible to corrosion, especially in environments with high moisture or chemical exposure. To protect against corrosion, steel pipes are often coated with a layer of protective material or lined with corrosion-resistant coatings. In contrast, fiberglass pipe is inherently corrosion-resistant due to the nature of the materials used in its construction. This makes fiberglass pipe a preferred choice for applications where corrosion is a concern, such as in saltwater environments or chemical processing plants. Cost is another factor that differentiates steel pipe and fiberglass pipe. Steel pipe is generally more affordable than fiberglass pipe, especially for smaller diameter pipes. However, as the diameter and pressure rating increase, the cost of steel pipe can become significantly higher than fiberglass pipe. Additionally, fiberglass pipe requires less maintenance and has a longer lifespan, which can offset the initial cost difference over time. In summary, the main differences between steel pipe and fiberglass pipe lie in the materials they are made of, their flexibility, corrosion resistance, and cost. Steel pipe offers strength and rigidity but is prone to corrosion, while fiberglass pipe is lightweight, flexible, corrosion-resistant, and often more expensive. The choice between these two types of pipes depends on the specific requirements of the project, including factors such as the application, environment, budget, and lifespan expectations.

Q:Can steel pipes be used for conveying corrosive substances?: When conveying corrosive substances, it is crucial to select the appropriate type of steel and take additional protective measures. For instance, stainless steel pipes offer excellent resistance to corrosion and can handle a wide range of corrosive substances. However, one must carefully consider the specific corrosive properties and concentration levels of the substance being conveyed. In certain cases, applying additional protective coatings or linings may be necessary to prevent corrosion and guarantee the pipes' durability. Regular maintenance and inspection play a vital role in identifying and addressing any signs of corrosion to avoid leaks or failures in the piping system. In conclusion, while steel pipes are suitable for conveying corrosive substances, proper material selection, protective measures, and maintenance are essential for safe and efficient operations.

Q:How are steel pipes affected by international trade policies?: Steel pipes can be significantly impacted by international trade policies. Trade policies, such as tariffs or quotas, can increase the cost of importing steel pipes, making them more expensive for domestic consumers. On the other hand, trade policies that promote free trade can lead to increased competition and potentially lower prices for steel pipes. Additionally, trade policies may also affect the availability of certain types of steel pipes, depending on the regulations and restrictions imposed by different countries. Overall, international trade policies play a crucial role in shaping the market dynamics and influencing the supply, demand, and pricing of steel pipes.

Q:How are steel pipes connected together?: Steel pipes are typically connected together through various methods such as welding, threading, and flanging. Welding involves fusing the ends of pipes together using high heat, creating a strong and permanent connection. Threading involves screwing the ends of pipes together using threads, while flanging involves connecting pipes by flaring or bending their ends and securing them with bolts. These methods ensure a secure and reliable connection between steel pipes.

Q:What is the importance of corrosion resistance in steel pipes?: The importance of corrosion resistance in steel pipes is significant as it helps to extend the lifespan of the pipes, ensures their structural integrity, and maintains the quality of the fluid or gas being transported. Corrosion can lead to pipe failures, leaks, and contamination of the contents, resulting in costly repairs, environmental hazards, and potential safety risks. Therefore, incorporating corrosion-resistant properties in steel pipes is crucial for their long-term performance, durability, and overall efficiency.

Q:What are the different types of steel pipe coatings for corrosive environments?: There are several types of steel pipe coatings that are commonly used for corrosive environments. These include fusion bonded epoxy (FBE) coating, three-layer polyethylene (3LPE) coating, three-layer polypropylene (3LPP) coating, and coal tar enamel (CTE) coating. FBE coating provides excellent corrosion resistance and is commonly used for underground pipelines. 3LPE and 3LPP coatings combine a layer of epoxy, an adhesive layer, and a polyethylene or polypropylene outer layer, offering superior protection against corrosion and mechanical damage. CTE coating, although less common nowadays, is still used for certain applications due to its resistance to water and chemical corrosion.

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