Black ASTM A106 Gr.B Sch40 seamless steel pipe

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 50 m.t.

Supply Capability:: 10000 m.t./month

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Quick Details

Thickness:	2.5 - 80 mm	Section Shape:	Round	Outer Diameter:	21.3 - 610 mm
Place of Origin:	China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Structure Pipe
Technique:	Hot Rolled	Certification:	API	Special Pipe:	Thick Wall Pipe
Alloy Or Not:	Non-alloy	Grade:	20#,45#,16Mn,10#-45#	Standard:	GB/T 8163-1999,GB/T 8162-1999,ASTM A106-2006,API 5CT,GB,ASTM,API

Packaging & Delivery

Packaging Detail:	In bundles or as you demand.
Delivery Detail:	As fast as we can.

Specifications

1. sizes range: 21.3-610mm
2. Standard: ASTM A106 Gr.B/API
3. API ,ISO CERTIFICATE APPROVED
4. 80000TONS STOCK PIPES.

Grade: 20#, 45#, 16Mn, 27SiMn	Thickness: 7 - 45 mm	Section Shape: Round
Outer Diameter: 133 - 325 mm	Place of Origin: Liaochen China (Mainland)	Secondary Or Not: Non-secondary
Application: Structure Pipe Fluid Pipe Petroleum casing pipe	Technique:Hot Rolled	Certification: API
Alloy Or Not: Non-alloy	technology: seamless	material: ASTM A 106 Q 345 ...

Packaging & Delivery

Packaging Detail:	seaworthy wooden cases/steel framed cases/simple packing/as customer request
Delivery Detail:	according to customer demand,the earliest time is 10days

Specifications

ASTM A 106 Gr.B seamless carbon steel pipe
Material: ASTM A 106 .GB 8162 8163 API5CT
Package:oil coating&in bundles

Product name	ASTM A 106 Gr.B seamless carbon steel pipe
Standard	GB ASTM
Thickness	2.5-80mm
Outer diameter	21.3-610 mm
Length	5.8m 6m 12m or as customer demand
Used area	Petroleum,chemical,power, gas, water, metallurgy, shipbuilding, construction , etc Or as customer demand
Package	In bundles. Ends can be beveled or square cut, End capped
Certification	ISO9001.2000, , API, Mill Test Certificate
Thirdparty inspection	SGS, or as customer demand
Remark	We can customer made for special requirement

Q: What are the different methods of repairing damaged steel pipes?: There are several methods for repairing damaged steel pipes, including welding, epoxy coatings, pipe wrapping, and pipe lining. Welding involves fusing the damaged sections of the pipe using heat and specialized equipment. Epoxy coatings are applied to the damaged area to create a protective layer and restore the pipe's integrity. Pipe wrapping involves applying specialized tapes or wraps around the damaged area to provide structural support. Pipe lining involves inserting a new pipe into the damaged one, creating a seamless and durable solution. The appropriate method depends on the extent and location of the damage, as well as other factors such as cost and time constraints.

Q: How are steel pipes protected against soil movement?: Steel pipes are protected against soil movement through the use of various techniques such as trenching, backfilling, and proper installation of support structures. Additionally, protective measures like the use of casing pipes or concrete encasement can be employed to prevent direct contact with the soil and minimize the impact of soil movement on the steel pipes.

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 different types of steel pipe flanges?: There are several different types of steel pipe flanges, including slip-on flanges, weld neck flanges, socket weld flanges, threaded flanges, blind flanges, lap joint flanges, and orifice flanges. Each type has its own unique design and purpose, catering to specific applications and requirements in various industries.

Q: Are steel pipes resistant to impact?: Yes, steel pipes are generally resistant to impact due to their high strength and durability. They can withstand external forces and are less likely to deform or break upon impact compared to other materials.

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: Are steel pipes suitable for underground sewage systems?: Yes, steel pipes are suitable for underground sewage systems. Steel pipes are known for their strength, durability, and resistance to corrosion, making them an ideal choice for underground installations. Steel pipes can withstand the pressure and weight of the soil above, ensuring the integrity of the sewage system. Additionally, steel pipes have a long lifespan and can withstand extreme temperatures and environmental conditions, making them a reliable choice for underground applications. However, it is important to note that proper coating and insulation should be applied to steel pipes to prevent corrosion and ensure longevity.

Q: Can steel pipes be used for underground water supply pipelines?: Indeed, underground water supply pipelines can utilize steel pipes. The reason for the widespread use of steel pipes in water supply systems is their ability to endure, their strength, and their resistance to corrosion. They can withstand high levels of pressure and can accommodate large quantities of water. Furthermore, steel pipes come in a variety of sizes and thicknesses, granting flexibility in the design and installation of underground water supply pipelines. However, it is crucial to ensure that the steel pipes are appropriately coated or lined to avert corrosion and uphold the water's quality during transportation. Regular inspections and maintenance must also be carried out to prevent any potential problems with the steel pipes.

Q: Are metal spiral tubes the same as metal bellows?: The spiral pipe is mainly used in the pipeline of petroleum and natural gas, and its specifications are indicated by outer diameter * wall thickness.

Q: How are steel pipes used in the construction of airports?: Steel pipes are commonly used in the construction of airports for various purposes such as the installation of water and sewage systems, electrical conduits, and heating and cooling systems. They are also used as structural elements for supporting canopies, walkways, and other infrastructure, providing durability and stability to the airport's overall construction.

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