Steel pipe for carbon seamless ,45# , Cnbm
- 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,
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 |
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: How are steel pipes used in airport infrastructure?
- Steel pipes are commonly used in airport infrastructure for various purposes. They are used in the construction of runways, taxiways, and aprons to provide a strong and durable foundation. Steel pipes are also used for drainage systems, fuel pipelines, and fire suppression systems within the airport premises. Additionally, steel pipes are used in the construction of airport buildings, such as hangars and terminals, for structural support and plumbing systems. Overall, steel pipes play a crucial role in ensuring the safety, efficiency, and functionality of airport infrastructure.
- Q: What are the different methods of testing steel pipes?
- There are several methods of testing steel pipes, including visual inspection, ultrasonic testing, magnetic particle testing, liquid penetrant testing, radiographic testing, and hydrostatic testing. Each method serves a specific purpose in evaluating the quality and integrity of steel pipes, ensuring they meet industry standards and are suitable for their intended applications.
- Q: How are steel pipes protected against mechanical impact?
- Steel pipes are protected against mechanical impact through various methods such as adding protective coatings, using steel pipe supports and clamps, or installing protective barriers to absorb and distribute impact forces.
- Q: How are steel pipes coated for insulation purposes?
- Steel pipes are commonly coated for insulation purposes using various methods and materials. One common method is the application of a thermal insulation coating. This coating is usually a high-performance polymer or epoxy-based material that is applied to the surface of the steel pipe. Before the coating is applied, the steel pipe is usually cleaned thoroughly to remove any dirt, grease, or rust that may be present on its surface. This is typically done through a process called abrasive blasting, where small particles are propelled at high speed to remove contaminants and create a clean, rough surface for the coating to adhere to. Once the surface is prepared, the thermal insulation coating is applied using different techniques such as spraying, brushing, or rolling. The coating is carefully applied in multiple layers to ensure proper coverage and thickness. This helps to create a barrier between the steel pipe and the external environment, preventing heat transfer and minimizing energy loss. In addition to thermal insulation coatings, steel pipes can also be coated with materials such as polyurethane foam or mineral wool. These materials provide excellent thermal insulation properties and are often used in applications where high-temperature resistance is required. Overall, steel pipes are coated for insulation purposes through a combination of surface preparation and the application of specialized coatings. These coatings help to reduce heat loss, increase energy efficiency, and protect the steel pipe from corrosion and other environmental factors.
- Q: What is the flexibility of steel pipes?
- Steel pipes are known for their exceptional flexibility, making them highly versatile and suitable for a wide range of applications. The flexibility of steel pipes refers to their ability to bend and withstand various forms of stress without breaking or deforming. This flexibility is primarily due to the inherent properties of steel, such as its high tensile strength and ductility. Steel pipes can be bent and formed into different shapes without compromising their structural integrity. This allows for easier installation and routing around obstacles, making them more adaptable for complex plumbing or piping systems. Additionally, the flexibility of steel pipes enables them to withstand external forces, such as ground movements or temperature fluctuations, without experiencing significant damage. The flexibility of steel pipes also makes them suitable for applications that require dynamic movement or expansion. For instance, in oil and gas pipelines or in heating and cooling systems, where temperature variations can cause expansion and contraction, steel pipes are able to accommodate these changes without causing leaks or failures. Furthermore, the flexibility of steel pipes contributes to their durability and longevity. The ability to withstand bending and stress helps prevent the formation of cracks or fractures that can lead to leaks or structural failures. This characteristic makes steel pipes a reliable choice for demanding environments, including high-pressure systems or corrosive conditions. In summary, the flexibility of steel pipes is a crucial attribute that allows for easy installation, adaptability to various conditions, and long-term reliability. With their exceptional flexibility, steel pipes are widely preferred in numerous industries and applications where strength, durability, and versatility are essential.
- Q: Can steel pipes be used for underground applications?
- Yes, steel pipes can be used for underground applications. They are commonly used for underground piping systems in various industries such as water, oil, and gas. The durability and strength of steel make it suitable for withstanding underground conditions, providing reliable and long-lasting performance.
- Q: What is the fatigue strength of steel pipes?
- The ability of steel pipes to withstand repeated cyclic loading without failing is referred to as their fatigue strength. This characteristic is of utmost importance for pipes that experience dynamic or fluctuating loads, such as those used in the oil and gas industry, transportation infrastructure, or industrial applications. Several factors can affect the fatigue strength of steel pipes, including the grade of steel, dimensions of the pipe, manufacturing process, surface conditions, and environmental factors. Generally, steel pipes with higher tensile strength and toughness exhibit better resistance to fatigue. Fatigue strength is typically determined by subjecting the pipes to cyclic loading until failure occurs, through a process known as fatigue testing. The results of these tests are then used to establish a fatigue curve or S-N curve, which illustrates the relationship between the applied stress amplitude and the number of cycles required for failure. To quantify the fatigue strength, it is common to express it as the stress amplitude required to cause failure after a specific number of cycles, such as the stress amplitude at 10 million cycles (S-N10^7). However, it is important to consider other factors such as mean stress, surface finish, and loading frequency, which can also influence fatigue strength and may require consideration in specific applications. Ultimately, the fatigue strength of steel pipes is a crucial factor in engineering design and maintenance, as it ensures the long-term integrity and reliability of the pipes under cyclic loading conditions.
- Q: What are the applications of galvanized steel pipes?
- Galvanized steel pipes have numerous applications in various industries. They are commonly used for plumbing and water supply systems due to their corrosion resistance. Additionally, they are used in gas transmission, oil refineries, and industrial plants where resistance to harsh chemicals and high temperatures is crucial. Galvanized steel pipes are also employed in construction for structural support and scaffolding, as well as for fencing and handrails. Overall, their durability, strength, and cost-effectiveness make galvanized steel pipes suitable for a wide range of applications.
- Q: What are the advantages of using steel pipes over other materials like PVC or copper?
- There are several advantages of using steel pipes over other materials like PVC or copper. Firstly, steel pipes are extremely durable and can withstand high pressure and extreme temperatures, making them ideal for various applications including industrial and underground use. Secondly, steel pipes have a longer lifespan compared to PVC or copper, reducing the need for frequent replacements and maintenance. Additionally, steel pipes are more resistant to corrosion and are not prone to cracking or leaking, ensuring a reliable and leak-free plumbing system. Lastly, steel pipes have a higher fire resistance rating compared to PVC, making them a safer option for certain environments.
- Q: What is the difference between steel pipes and polyethylene pipes?
- Steel pipes and polyethylene pipes are two types of piping materials that have different characteristics and uses. Steel pipes are made of a durable and strong material, making them suitable for high-pressure applications and transporting fluids or gases. They have a high resistance to heat, corrosion, and impacts, making them ideal for industrial and heavy-duty applications. Steel pipes are commonly used in industries such as oil and gas, construction, and infrastructure projects. Polyethylene pipes, on the other hand, are made of a flexible and lightweight plastic material known as polyethylene. They are commonly used for underground water supply systems, irrigation, and drainage systems. Polyethylene pipes have excellent resistance to chemicals, making them suitable for transporting water and other fluids. They are also more affordable and easier to install compared to steel pipes. In summary, the main difference between steel pipes and polyethylene pipes lies in their material composition, strength, and applications. Steel pipes are stronger and suitable for high-pressure applications, while polyethylene pipes are flexible, lightweight, and commonly used for water supply and drainage systems.
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Steel pipe for carbon seamless ,45# , Cnbm
- Loading Port:
- Qingdao
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 10 pc
- Supply Capability:
- 30 pc/month
OKorder Service Pledge
OKorder Financial Service
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