• Schedule 40 Seamless Carbon Steel Pipe   API L80  CNBM System 1
  • Schedule 40 Seamless Carbon Steel Pipe   API L80  CNBM System 2
  • Schedule 40 Seamless Carbon Steel Pipe   API L80  CNBM System 3
Schedule 40 Seamless Carbon Steel Pipe   API L80  CNBM

Schedule 40 Seamless Carbon Steel Pipe API L80 CNBM

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
10 pc
Supply Capability:
30 pc/month

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Quick Details

Thickness:

1.73 - 59.54 mm

Section Shape:

Round

Outer Diameter:

10.3 - 914.4 mm



Secondary Or Not:

Non-secondary

Application:

Fluid Pipe

Technique:

Hot Rolled

Certification:

API

Surface Treatment:

Galvanized,vanish covering, black painting, galvenized ect.

Special Pipe:

API Pipe

Alloy Or Not:

Non-alloy

Length:

5-12m as per customer's requirements

SCH:

SCH10~160, STD, XS & XXS

Payment Terms:

L/C T/T

Supply Ability:

5000 Ton/Tons per Week

Product:

pipe prices

Grade:

10#,20#,45#,A106(B,C),A53(A,B),12Cr1MoV,12Cr1MoVG,12Cr2Mo,13CrMo44,13CrMo45,15CrMo,15CrMoG,St52,St52.4,10#-45#,A53-A369,Cr-Mo alloy,ST35-ST52

Standard:

API 5CT,API 5L,ASTM A106-2006,ASTM A53-2007,DIN 17175,GB 3087-1999,GB 5130,GB 6479-2000,GB 9948-2006,GB/T 17396-1998,GB/T 5312-1999,GB/T 8162-1999,GB/T 8163-1999,API,ASTM,DIN,GB

Packaging & Delivery

Packaging Detail:By bundles, seaworthy wooden cases, steel framed cases, and simple packaging or according to the demand of the customers.
Delivery Detail:within 5-15 days

Specifications

1.pipe prices
2.Supply Ability:5000 Tons per Week
3.Payment Terms:L/C T/T

High quality Carbon steel pipe, Best pipe prices

1) Application:   Overheat pipe for low and mediumpressure boiler,boiling water pipe, locomotive smoke pipe(big and small),Carry gas ,water or oil in the industries of petroleum and natural gas etc
2) Materials:   10#, 20#, 45#, 15CrMo, 12Cr1MoV, 13CrMo44, 12Cr2Mo, 13CrMo45, 12Cr1MoVG, 15CrMoG, API J55, API K55, API N80, API L80, API P110

3)Pipe according to standard: GB 3087-1999, GB/T 8163-1999, GB/T 8162-1999, GB 9948-2006, GB/T 17396-1998, GB/T 5312-1999, GB 6479-2000, GB 5130, DIN 17175, API 5CT, API 5L .

4)Packing: By bundles, seaworthy wooden cases, steel framed cases, and simple packaging or according to the demand of the customers.

Technical Parameters of Seamless Steel Pipe

schedule 40 seamless carbon steel pipeschedule 40 seamless carbon steel pipe


Q:What is the buckling type thin-wall steel pipe? What is a tight set of thin-walled steel tubes? What's the difference between the two?
The thread of the tightening (JDG) joint is unified with an outer thread, a wall thickness of 1.5mm, and a button (KBG). The thread of the joint is an internal thread, and the wall thickness is 1.0mm. Withholding type joint for the use of the same company and pipe connection to matching products with complete connection clamp buckle. Fastening and pressing type correctly connected and locked after no need to do a cross ground.
Q:Are there specifications for scaffold steel pipe with 48mm * 3.2mm?
Previously used steel pipe GB 51*3.0mm, the latest national standard JGJ130-2001 stipulates that the use of steel pipe for construction projects need to be 48*3.5mm specifications, the wall thickness should be 3.5mm square for qualified products.
Q:What are the common methods for inspecting the integrity of steel pipes?
To inspect the integrity of steel pipes, various methods are employed. These methods play a vital role in identifying any faults or weaknesses in the pipes that could jeopardize their structural soundness and potentially result in failures or leaks. 1. Visual Inspection: This method involves a visual examination of the external surface of the steel pipe by an inspector. The purpose is to spot any signs of damage, such as corrosion, cracks, or deformities. Although it is a quick and cost-effective approach, it may not be sufficient to detect internal defects. 2. Ultrasonic Testing (UT): UT is a non-destructive testing method that utilizes high-frequency sound waves to identify flaws in steel pipes. A transducer emits ultrasonic waves into the pipe, and any waves that bounce back are analyzed to detect defects like cracks or voids. UT is effective for inspecting both the internal and external aspects of the pipe and can provide precise measurements of defect size and location. 3. Magnetic Particle Inspection (MPI): MPI is primarily employed to detect surface or nearby surface defects in ferromagnetic materials like steel. Magnetic particles are applied to the pipe's surface, and if there is a defect, these particles will gather around it, creating a visible indication. MPI is particularly useful in identifying cracks and other discontinuities that may not be easily visible to the naked eye. 4. Radiographic Testing (RT): RT involves the use of X-rays or gamma rays to examine the internal structure of steel pipes. These rays pass through the material, and an image is recorded on a radiographic film or a digital detector. This method is effective in detecting internal defects such as cracks, voids, or inclusions. However, it necessitates proper safety measures due to the use of radiation. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing method that relies on electromagnetic induction to assess the integrity of steel pipes. An alternating current is passed through a probe, generating an electromagnetic field. Any alterations in the material's electrical conductivity or magnetic permeability caused by defects are detected by the probe, providing information about the pipe's condition. These represent some of the commonly used techniques for inspecting the integrity of steel pipes. Each method possesses its own advantages and limitations, and the choice of inspection method depends on factors such as the type of defect to be identified, access to the pipe, and budgetary considerations. Regular inspection and maintenance using these methods are crucial to ensure the secure and dependable operation of steel pipe systems.
Q:What is the difference between steel pipes and copper-nickel pipes?
Steel pipes and copper-nickel pipes differ in terms of their composition and properties. While steel pipes are primarily made of steel, copper-nickel pipes are composed of a mixture of copper and nickel. This difference in composition leads to variations in their strength, corrosion resistance, and thermal conductivity. Steel pipes are generally stronger and more durable, making them suitable for high-pressure and heavy-duty applications. On the other hand, copper-nickel pipes have excellent corrosion resistance, particularly in marine environments, and exhibit good thermal conductivity, making them ideal for heat transfer applications. Ultimately, the choice between steel pipes and copper-nickel pipes depends on the specific requirements and conditions of the intended use.
Q:Are steel pipes suitable for underground gas distribution?
Yes, steel pipes are suitable for underground gas distribution. Steel pipes are widely used in gas distribution systems due to their high strength, durability, and resistance to corrosion. They are able to withstand the pressure and stress of underground conditions, making them a reliable choice for transporting gas. Additionally, steel pipes have the advantage of being able to handle high temperatures and are resistant to fire, making them a safe option for underground gas distribution. However, it is important to ensure that the steel pipes used are properly coated and protected against corrosion to ensure their longevity and prevent any potential leaks or damage.
Q:What is the cost of steel pipes compared to other pipe materials?
The cost of steel pipes compared to other pipe materials can vary depending on several factors including the size, grade, and availability of the specific pipe materials. However, in general, steel pipes tend to be more cost-effective compared to other pipe materials. This is because steel is a widely available and versatile material that can be easily manufactured and fabricated into various pipe sizes and shapes. Compared to materials like copper, stainless steel, or plastic, steel pipes are often more affordable due to their lower manufacturing costs. Additionally, steel pipes have a longer lifespan and superior durability, which makes them a cost-effective choice in the long run. They are resistant to corrosion, withstand high pressure and temperature, and can be used in a wide range of applications including plumbing, construction, and infrastructure projects. It is important to note that the cost of steel pipes can still vary depending on market conditions, demand, and location. However, overall, steel pipes are generally considered to be a cost-effective option compared to other pipe materials.
Q:How are steel pipes used in the manufacturing of storage tanks?
Steel pipes are commonly used in the manufacturing of storage tanks due to their high strength, durability, and resistance to corrosion. These pipes are typically used as the main structural component of the tank, providing the necessary strength to support the weight of the stored materials. Additionally, steel pipes can be easily welded together, allowing for the construction of large, seamless tanks that can hold various liquids or gases. Overall, steel pipes play a crucial role in ensuring the integrity and longevity of storage tanks.
Q:The difference between 12Cr1MoVG alloy steel tube and 15CrMo
15CrMo is a steel Pearlite Heat-resistant steel, has high heat resistance at high temperature (b = 440MPa) and antioxidant activity, and has certain ability of anti hydrogen corrosion. Because of the high content of Cr, C and other alloy elements in steel, the tendency of hardening of steel is obvious, and the weldability is poor.
Q:What are the different methods of pipe repair for steel pipes?
There are several methods for repairing steel pipes, including spot repair, slip lining, pipe bursting, and pipe relining. Spot repair involves cutting out and replacing a small section of the damaged pipe. Slip lining involves inserting a smaller diameter pipe into the existing pipe to reinforce it. Pipe bursting involves breaking the old pipe while simultaneously installing a new one. Pipe relining involves inserting a liner into the damaged pipe and then curing it in place to create a new, seamless pipe within the existing one. The choice of method depends on the extent and location of the damage, as well as budget and time constraints.
Q:How are steel pipes used in the fabrication of storage tanks?
Steel pipes are commonly used in the fabrication of storage tanks due to their strength, durability, and corrosion resistance. They are utilized in various ways, such as forming the structural framework of the tank, creating the walls and roof, and connecting different components together. Additionally, steel pipes can be welded or bolted to ensure a secure and leak-proof construction, making them an ideal choice for storage tank fabrication.

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