Steel pipe for carbon seamless ,API K55, cnbm
- Ref Price:
-
- 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: 6 - 50 mm Section
Shape: Round,r
Outer Diameter: 33 - 600 mm
Secondary Or Not: Non-secondary
Application: Fluid Pipe
Technique: Hot Rolled,Hot Rolled,Cold Drawn,Hot Expanded Certification: API Surface Treatment: Beveled end or plain end or varnished as per buyer
Special Pipe: API Pipe Alloy Or Not: Non-alloy
Brand Name: XPY(Xinpengyuan)
Length: 6-12m or according to clients' requirements
Standard: BS 3059-2,JIS G3454-2007,GB 5310-1995,GB 3087-1999,GB/T 8163-1999,GB/T 8162-1999,GB 6479-2000,DIN 1629/3,DIN 2448,ASTM A106-2006,ASTM A53-2007,API 5CT,API 5L,BS,JIS,GB,DIN,ASTM,API
Mechanical properties
standard | grade | Tensile strength(MPA) | yield strength(MPA) |
ASTM A106 | A | ≥330 | ≥205 |
B | ≥415 | ≥240 | |
C | ≥485 | ≥275 |
Packaging Detail: Beveled end , plain end, varnished, or adding plastic caps/ according to customers' request
Bundles or loose, each bundles with 8 steel strips and
nylon slings wrapped with water proof plastic cloth.
We also pack our products according to customer’s requirement
- Q: What are the common applications of steel pipes in the water distribution system?
- Steel pipes are commonly used in water distribution systems for various applications such as transporting water from treatment plants to distribution points, carrying water under high pressure, and providing a durable and long-lasting solution for underground water pipelines.
- Q: What are the quality control measures for steel pipe production?
- Quality control measures for steel pipe production typically involve various inspections and tests at different stages of the manufacturing process. Some of the key measures include: 1. Raw material inspection: Ensuring that the steel used for pipe production meets specified standards for chemical composition, mechanical properties, and dimensional accuracy. 2. Dimensional inspection: Checking the outer diameter, wall thickness, and length of the pipes to ensure they meet the required specifications. 3. Welding inspection: Verifying the quality of welds by conducting non-destructive tests, such as ultrasonic or radiographic testing, to detect any defects or discontinuities. 4. Surface inspection: Examining the pipe surface for any defects, such as scratches, pits, or corrosion, which can affect the overall quality and performance. 5. Mechanical testing: Performing tests like tensile strength, yield strength, and impact resistance to assess the mechanical properties of the pipes and ensure they meet the desired standards. 6. Pressure testing: Subjecting the pipes to hydrostatic or pneumatic pressure tests to verify their ability to withstand the intended operational pressures without leakage or failure. 7. Coating inspection: Checking the quality and uniformity of any protective coatings or linings applied to the pipes to prevent corrosion or other forms of deterioration. 8. Documentation and traceability: Maintaining records of all inspections, tests, and certifications to provide traceability and ensure compliance with relevant industry standards and customer requirements. These quality control measures help to ensure that steel pipes are manufactured to the highest standards, possess the required mechanical and dimensional properties, and are fit for their intended application.
- Q: How do you determine the weight per foot of a steel pipe?
- To determine the weight per foot of a steel pipe, you need to consider two main factors: the thickness and the diameter of the pipe. First, you need to measure the outer diameter (OD) and the wall thickness (WT) of the pipe using a caliper or a measuring tape. Once you have these measurements, you can calculate the inner diameter (ID) by subtracting twice the wall thickness from the outer diameter (ID = OD - 2 * WT). Next, use the formula for the cross-sectional area of a pipe (A = π * (OD^2 - ID^2) / 4) to calculate the cross-sectional area. Finally, multiply the cross-sectional area by the density of the steel, which is typically around 490 pounds per cubic foot, to determine the weight per foot of the steel pipe. Weight per foot (WPF) = A * 490 It's important to note that this calculation provides an estimate of the weight per foot, as manufacturing tolerances and slight variations in the density of the steel may affect the actual weight. Therefore, it is recommended to use this calculation as a guide and consult the manufacturer's specifications for more precise information.
- Q: What is the difference between internal and external coating of steel pipes?
- The main difference between internal and external coating of steel pipes lies in the purpose and location of the coatings. The internal coating is applied on the inner surface of the steel pipe to protect it from corrosion and ensure smooth flow of the contents within the pipe. It is commonly used to prevent contamination of the transported liquid or gas and to extend the lifespan of the pipe. On the other hand, the external coating is applied on the outer surface of the steel pipe to protect it from environmental factors such as moisture, chemicals, and physical damage. It helps to prevent corrosion and maintain the structural integrity of the pipe, especially in harsh conditions. Overall, while the internal coating focuses on the functionality and preservation of the transported contents, the external coating primarily aims at safeguarding the pipe itself from external influences.
- Q: What are the different types of coatings applied to steel pipes?
- There are several types of coatings applied to steel pipes, including epoxy coatings, fusion-bonded epoxy (FBE) coatings, polyethylene (PE) coatings, polyurethane (PU) coatings, and zinc coatings.
- Q: How are steel pipes used in the manufacturing of agricultural machinery?
- Steel pipes are commonly used in the manufacturing of agricultural machinery for various purposes such as structural support, fluid transportation, and hydraulic systems. They provide durability and strength to the machinery, allowing it to withstand the heavy loads and harsh conditions associated with agricultural activities. Additionally, steel pipes are often used to create the framework and chassis of the machinery, ensuring its stability and longevity in the field.
- Q: What is the bending strength of steel pipes?
- The bending strength of steel pipes refers to the ability of a steel pipe to withstand bending forces without breaking or permanently deforming. The bending strength of steel pipes can vary depending on various factors such as the type and grade of steel, the diameter and thickness of the pipe, and the manufacturing process. Steel pipes are known for their high strength and durability, making them suitable for a wide range of applications. The bending strength of steel pipes is typically expressed in terms of the maximum bending moment or the maximum stress that the pipe can withstand without failure. To determine the bending strength of a steel pipe, engineers and manufacturers use various testing methods such as three-point or four-point bending tests. These tests apply a known force or moment to the pipe and measure its deflection or stress response. The bending strength of steel pipes can also be influenced by the pipe's mechanical properties, including yield strength, tensile strength, and elongation. These properties determine the overall strength and ductility of the steel, which play a vital role in its bending strength. It is important to note that the bending strength can vary depending on the specific application and load conditions. For example, pipes used in structural or load-bearing applications may require higher bending strength compared to pipes used for plumbing or conveyance purposes. In summary, the bending strength of steel pipes is determined by various factors such as the type and grade of steel, diameter and thickness of the pipe, and the manufacturing process. Testing methods and mechanical properties are used to evaluate the bending strength of steel pipes, ensuring their suitability for different applications and load conditions.
- Q: What are the safety measures to consider when working with steel pipes?
- When working with steel pipes, it is important to follow specific safety measures to ensure a safe working environment. Some key safety measures to consider include wearing appropriate personal protective equipment (PPE) such as gloves, safety glasses, and steel-toed boots to protect against potential injuries. Additionally, workers should be cautious of sharp edges and use tools designed for cutting and handling steel pipes. It is crucial to secure pipes properly to prevent accidents caused by falling or rolling pipes. Lastly, workers should be trained on proper lifting techniques to avoid strain or injury when handling heavy steel pipes.
- Q: What are the different surface finishes available for steel pipes?
- There are several different surface finishes available for steel pipes, including mill finish, galvanized finish, painted finish, and polished finish.
- Q: What is the difference between internal threading and external threading of steel pipes?
- Internal threading and external threading are two different methods used to create threads on steel pipes. The main difference between them lies in the location of the threads. Internal threading refers to the process of cutting threads on the inside surface of a steel pipe. This method involves using a tool or a die to remove material from the inner diameter of the pipe, creating a helical groove. The resulting threads can be used to connect the pipe to other components, such as fittings or valves. On the other hand, external threading involves cutting threads on the outside surface of a steel pipe. This process usually requires the use of a threading die or a lathe to remove material from the outer diameter of the pipe, leaving behind a helical groove. The external threads allow the pipe to be connected to other components or fittings that have corresponding internal threads. The choice between internal and external threading depends on the specific application and the requirements of the project. Internal threading is often preferred when the pipe needs to be connected to components that have external threads, such as fittings or valves. External threading, on the other hand, is typically used when the pipe needs to be connected to components with internal threads, or when the pipe is intended to be screwed into a threaded hole or coupling. In summary, the main difference between internal threading and external threading of steel pipes is the location of the threads – internal threads are cut on the inside surface of the pipe, while external threads are cut on the outside surface. The choice between these methods depends on the specific application and the type of connections required.
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Steel pipe for carbon seamless ,API K55, cnbm
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 30 pc/month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
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