Seamless Steel Pipe With SCH40/80/STD Factory Price And High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 33 m.t.
- Supply Capability:
- 400 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
You Might Also Like
Product Description:
Alloy Seamless Steel Pipe
1)OD:8-450mm
2)Thickness:1-60mm
3)MOQ: 25 tons
4)Material:A213 A335 A199, etc.
Alloy Seamless Steel Usage
Applicable to the general structure, mechanical structure with seamless steel tubes
Quality Standard
ASTM A519 Seamless Carbon and Alloy Steel Mechanical Tubing
JIS G3441 Alloy steel tubes for machine purposes
DIN 2391 Seamless Precision Steel Tubes
EN10305 Steel tubes for precision applications Technical delivery conditions Seamless cold drawn tubes
EN 10297 Seamless circular steel tubes for mechanical and general engineering purposes
Alloy Seamless Steel Pipe Grade
ASTM A519 1010-1045, 4130-4142, 5135
JIS G3441 SCM 415 TK, SCM 418 TK, SCM 420 TK, SCM 430 TK, SCM 435 TK, SCM 440 TK
JIS G3444 STKM 11A, STKM 12, STKM 13, STKM 14, STKM 15, STKM 16, STKM 17, STKM 18
STKM 19, STKM 20
BS 6323 CFS 3, CFS 3Aa, CFS 4, CFS 5b, CFS 6, CFS 7, CFS 8d, CFS 9, CFS 10, CFS 11
Alloy Seamless Steel Pipe Size
Outer Diameter Hot finish 2" - 30", Cold drawn 0.875" - 18"
Wall Thickness Hot finish 0.250" – 4.00", Cold drawn 0.035" – 0.875"
Length Random Length, Fixed Length, SRL, DRL
Alloy Seamless Steel Pipe Heat treatment
Annealed, Full Annealed, Bright annealed, , Spheroidize annealed
Normalized, Stress relieved, Cold finished, Quenched and Tempered
Alloy Seamless Steel Pipe Packing
Plastic plugs in both ends, Hexagonal bundles of max 2,000kg with several steel strips, Two tags on each bundle, Wrapped in waterproof paper, PVC sleeve, and sackcloth with several steel strips
Alloy Seamless Steel Pipe Test
Chemical Component Analysis, Mechanical Properties (Ultimate tensile strength, Yield
strength, Elongation), Technical Properties (Flattening Test, Flaring Test, Bending Test, Hardness Test, Blow Test, Impact Test etc), Exterior Size Inspection Mill Test Certificate EN 10204/31B
PICTURE
- Q: How do you determine the maximum allowable stress for a steel pipe?
- Several factors need to be taken into account in order to determine the maximum stress that a steel pipe can withstand. The type of steel used in the pipe is of utmost importance, as different types have varying mechanical properties and strengths. Additionally, the dimensions and thickness of the pipe are significant factors in determining its maximum stress capacity. Generally, thicker pipes have higher stress limits compared to thinner ones. Furthermore, it is crucial to consider the operating conditions that the pipe will be exposed to. This includes the temperature, pressure, and the nature of the fluid flowing through the pipe. These conditions can greatly impact the maximum stress that the pipe can tolerate. For instance, high temperatures or corrosive fluids can weaken the steel and reduce its strength. Engineers typically rely on industry standards and codes, such as the ASME Boiler and Pressure Vessel Code and the API standards, to determine the maximum stress limit. These standards provide guidelines and formulas for calculating the maximum stress based on the material properties, dimensions, and operating conditions of the pipe. It is important to emphasize that determining the maximum stress limit is a critical step in ensuring the structural integrity and safety of the steel pipe. It requires a comprehensive understanding of the materials, design considerations, and industry standards. Therefore, it is advisable to seek guidance from experienced engineers or professionals who specialize in piping design and analysis to accurately determine the maximum stress that a steel pipe can withstand.
- Q: What are the non-destructive testing methods used for steel pipes?
- Some of the non-destructive testing methods used for steel pipes include ultrasonic testing, magnetic particle testing, liquid penetrant testing, radiographic testing, and eddy current testing.
- Q: What are the different methods of pressure testing steel pipes?
- There are several different methods of pressure testing steel pipes, including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and pressurizing it to a specified level to check for leaks or weaknesses. Pneumatic testing is similar but uses compressed air or gas instead of water. Ultrasonic testing involves using high-frequency sound waves to detect any defects or flaws in the pipe. Each method has its own advantages and is chosen based on the specific requirements and industry standards.
- Q: What are the different strategies for pipe laying using steel pipes?
- Various strategies exist for laying steel pipes, each tailored to specific environments and needs. Here are a few commonly used approaches: 1. Open Trench: The traditional and widely employed method involves digging a trench along the desired pipeline route. Steel pipes are then placed in the trench, aligned, and welded together. This technique allows for easy access, maintenance, and repair of the pipeline. 2. Direct Pipe: This method is utilized when the pipeline needs to pass beneath obstacles like rivers or highways. It entails drilling a borehole from one side to the other while simultaneously laying the steel pipe. The pipe is subsequently pulled through the borehole, resulting in a continuous pipeline. 3. Horizontal Directional Drilling (HDD): HDD is employed when the pipeline must be installed beneath existing infrastructure or environmentally sensitive areas. A pilot hole is drilled horizontally, and the steel pipe is then pulled through using a reaming tool. This approach minimizes surface disruption and reduces environmental impact. 4. Sliplining: This technique involves inserting a smaller diameter steel pipe into an existing larger pipe. The smaller pipe is pushed or pulled into the larger one, providing a new corrosion-resistant lining. Sliplining is commonly used for rehabilitating deteriorated or damaged pipelines. 5. Microtunneling: Similar to HDD, microtunneling employs a microtunnel boring machine (MTBM) that simultaneously excavates the soil and installs the steel pipe. This method is frequently used for precise pipe laying, particularly in urban areas with limited space. 6. Jacking: Jacking, also referred to as pipe jacking or pipe ramming, is suitable for installing steel pipes in soil conditions that are unsuitable for open trenching. Hydraulic jacks or pneumatic rams are used to push the steel pipe into the ground. Jacking is commonly employed for crossing under railways, roads, or buildings. 7. Offshore Pipeline Laying: When it comes to subsea applications, various techniques can be employed, including S-lay, J-lay, or reel-lay. These methods involve deploying the pipeline from a vessel, either vertically or at an inclined angle, and welding the steel pipes together as they are lowered to the seabed. Each strategy possesses unique advantages and considerations, depending on factors such as terrain, environmental impact, existing infrastructure, and project requirements. It is crucial to thoroughly assess these factors and select the most appropriate pipe laying strategy to ensure the safe and efficient installation of steel pipes.
- Q: How are steel pipes used in the construction of pipelines?
- Steel pipes are commonly used in the construction of pipelines due to their strength, durability, and resistance to corrosion. They are typically laid down and welded together to form a continuous pipeline that can transport various fluids, such as oil, gas, or water, over long distances. The steel pipes provide a reliable and efficient means of distribution, ensuring the safe and efficient transfer of resources in the construction industry.
- Q: What are the different factors affecting the flow rate of steel pipes?
- The flow rate of steel pipes can be affected by multiple factors. Let's explore some of these factors: 1. Pipe diameter: The size of the pipe plays a significant role in determining the flow rate. Generally, larger pipes allow for greater flow rates as they provide a larger cross-sectional area for the fluid to pass through. 2. Pipe length: The length of the pipe also impacts the flow rate. Longer pipes tend to have higher friction losses, which can decrease the flow rate. Moreover, longer pipes may require higher pressure to maintain the desired flow rate. 3. Fluid viscosity: The viscosity of the fluid passing through the pipe is an important consideration. Viscous fluids, such as heavy oils, exhibit higher resistance to flow, resulting in lower flow rates. Conversely, less viscous fluids, like water, encounter lower resistance and can achieve higher flow rates. 4. Pressure difference: The pressure difference across the pipe serves as a driving force for flow. A higher pressure difference will lead to a higher flow rate, while a lower pressure difference will reduce the flow rate. 5. Surface roughness: The roughness of the inner pipe surface influences the flow rate. Rough surfaces generate more turbulence and friction, thus resulting in a lower flow rate. Conversely, smoother surfaces minimize turbulence and friction, allowing for a higher flow rate. 6. Temperature: The temperature of the fluid can impact its viscosity and density, which subsequently affect the flow rate. Higher temperatures generally decrease the viscosity of fluids, leading to increased flow rates. 7. Pipe material: The choice of pipe material impacts the flow rate due to varying roughness and resistance. Steel pipes, for instance, typically possess a smoother inner surface compared to pipes made of other materials, resulting in higher flow rates. 8. Pipe fittings and bends: The presence of fittings, valves, and bends in the pipe can cause flow restrictions and pressure drops, which can decrease the flow rate. Proper design and placement of these components can minimize their impact on the flow rate. Understanding the interplay of these factors is essential for the design and optimization of fluid flow systems involving steel pipes.
- Q: What are the different types of steel pipe joints?
- There are several different types of steel pipe joints, including butt weld joints, socket weld joints, threaded joints, and flanged joints.
- Q: Can steel pipes be used for conveying slurry and slurries?
- Steel pipes are versatile and can be used to transport slurry and slurries. They are frequently employed in a range of applications, including the conveyance of fluids, gases, and solids. These pipes are renowned for their durability, strength, and resistance to corrosion, which makes them well-suited for handling abrasive materials like slurry and slurries. To enhance their protective capabilities against wear and tear caused by the abrasive nature of slurries, steel pipes are commonly lined with materials such as rubber or ceramic. The choice of steel grade and lining material depends on the specific requirements of the slurry being transported, including factors like particle size, concentration, and temperature. In summary, steel pipes are a dependable and efficient choice for the transportation of slurries across various industries, including mining, wastewater treatment, and chemical processing.
- Q: How do you join steel pipes together?
- There are several methods to join steel pipes together. The most common methods include welding, threading, and using mechanical connectors. Welding involves melting the ends of the pipes and fusing them together, creating a strong and permanent joint. Threading involves cutting threads into the ends of the pipes and using threaded fittings to connect them. Mechanical connectors, such as couplings or flanges, use fasteners or compression to hold the pipes together. The choice of joining method depends on the specific application and the type of steel pipes being used.
- Q: What are the common standards for steel pipe manufacturing?
- Steel pipe manufacturing is regulated by various common standards that guarantee the excellence and uniformity of the products. One of the most renowned standards is the American Society for Testing and Materials (ASTM) standard, which encompasses diverse specifications for different kinds of steel pipes. These specifications encompass dimensions, mechanical properties, and testing prerequisites. Another widespread standard is the American National Standards Institute (ANSI) standard, which establishes directives for the manufacturing procedure, material requirements, and performance attributes of steel pipes. ANSI standards are commonly employed in industrial applications and construction undertakings. Furthermore, international standards such as the International Organization for Standardization (ISO) standard exist, providing guidelines for the design, production, and testing of steel pipes. The ISO standard ensures that steel pipes align with global quality and safety standards. Moreover, specific industries may have their own standards for steel pipe manufacturing. For instance, the American Petroleum Institute (API) has devised standards exclusively for oil and gas industry applications. These standards, like API 5L, outline requirements for the manufacturing, testing, and inspection of steel pipes employed in the transportation of oil and gas. Ultimately, these common standards for steel pipe manufacturing play a vital role in guaranteeing the quality, dependability, and safety of the products. They establish a standardized framework that manufacturers can adhere to, enabling customers to have confidence in the performance and durability of the steel pipes they acquire.
Send your message to us
Seamless Steel Pipe With SCH40/80/STD Factory Price And High Quality
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 33 m.t.
- Supply Capability:
- 400 m.t./month
OKorder Service Pledge
Quality Product, Order Online Tracking, Timely Delivery
OKorder Financial Service
Credit Rating, Credit Services, Credit Purchasing
Similar products
Hot products
Hot Searches
Related keywords
