5'' CNBM carbon steel pipe fittings ISO/ BS EN/DIN/ API

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Loading Port:: Tianjin

Payment Terms:: TT OR LC

Min Order Qty:: 5 m.t

Supply Capability:: 300 m.t/month

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Products	pipe fittings elbows, bends,tees, reducers caps
Size	1/2" - 48"
Wall thickness	Sch5-Sch160 XXS
Standard	ANSI, ASME API5L, OCT, DIN and JIS, etc.
we can also produce according to drawing and standards provided by customers.
Material	Carbon steel, alloy steel and stainless steel.

We can produce according to materials appointed by consumers.
Packaging	Plywood Cases,plywood pallet, plastic bag or as customers requirement
Surface Treatment	Shot blasted, rust-proof black oil
Delivery Time	10-60 days
Quality	First grade
Others	1.Special design available according to your drawing.
2.anti-corrosion and high-temperature resistant with black painting
3. All the production process are made under the ISO9001:2000 strictly.
4. A conformity rate of ex-factory inspection of products.

Specifications

Ansi B16.9 WPB carbon steel pipe fitting elbow tee reducer
Size:Seamless 1/2"-24" Welded 1/2"-48"

ANSI B16.9 WPB carbon steel pipe fitting elbow tee reducer

1.Size: Seamless 1/2"-24" Welded 1/2"-48"

2. WT: SGP, STD, SCH40, SCH80, SCH100,SCH120,SCH160,XS,XXS

3. Material:

stainless steel Grade: 201,304,304L,316,316L,317,317L,904L,and etc

carbon steel Grade: WPB,GRB, Q235,16MN

Alloy steel: st35.8,st52,wp11,wp22,wp12 wp l6

4. Standard: ASTM/AISI/DIN/JIS
5. Type: Concentric and eccentric

6. Surface treatment: Transparent oil, rust-proof black oil

7. Applications range: Applications range: for use in the petroleum, smelting, foodstuff, power, papermaking, chemical, medical equipment,aviation, boiler heat exchanger, and other fields
8. Packing: wooden case or as per customers' requirement

Q: What is the difference between nominal and actual pipe size?: Nominal pipe size refers to the designation used to identify the approximate inside diameter of a pipe, while actual pipe size refers to the measured inside diameter of a pipe. The nominal size is a standardized value, whereas the actual size may vary slightly due to manufacturing tolerances.

Q: How do steel pipes compare to ductile iron pipes?: Steel pipes and ductile iron pipes are utilized in various applications, but they possess distinct differences in terms of their properties and advantages. 1. Strength and Durability: Steel pipes exhibit greater strength and durability compared to ductile iron pipes. Steel possesses a higher tensile strength, making it less susceptible to cracking or breaking under pressure or external forces. Conversely, ductile iron possesses a lower tensile strength but boasts better impact resistance than steel. 2. Corrosion Resistance: Steel pipes are susceptible to corrosion, especially when exposed to moisture or chemicals. Nevertheless, protective measures such as applying coatings or employing corrosion-resistant alloys can safeguard against this. Ductile iron pipes, while inherently more corrosion-resistant than regular cast iron, may still necessitate external protection to prevent rusting and degradation. 3. Flexibility: Ductile iron pipes offer greater flexibility than steel pipes. They can endure certain degrees of bending and deflection without fracturing, making them suitable for applications where ground movement or shifting may occur. Conversely, steel pipes are less flexible and more rigid, rendering them better suited for straight runs or applications with minimal movement. 4. Cost: Generally, ductile iron pipes are more cost-effective than steel pipes. The manufacturing process for ductile iron is easier and cheaper, resulting in lower production costs. However, steel pipes may possess a longer lifespan, requiring fewer replacements over time, thereby offsetting the initial cost difference. 5. Installation: Steel pipes are lighter and easier to handle during installation compared to ductile iron pipes, which can be heavy and bulky. The lighter weight of steel pipes can reduce labor and transportation costs. Moreover, steel pipes can be welded, allowing for more flexible installation options, while ductile iron pipes are typically joined using mechanical couplings or flanged connections. In conclusion, steel pipes offer superior strength and durability, while ductile iron pipes provide better flexibility and cost-effectiveness. The selection between the two depends on the specific requirements of the application, including factors such as corrosion resistance, expected loads, installation conditions, and budget constraints.

Q: How do you calculate the pipe thermal expansion for steel pipes?: In order to calculate the thermal expansion of steel pipes, one must take into account the material's coefficient of thermal expansion (CTE), the temperature fluctuation, and the pipe's length. The CTE represents the extent to which a material expands or contracts in response to temperature changes. For steel, the average CTE is typically approximately 12 x 10^-6 per degree Fahrenheit (or 6.5 x 10^-6 per degree Celsius). However, this value may vary depending on the specific grade of steel. Subsequently, the temperature change that the pipe will encounter must be determined. This can be the discrepancy between the operating temperature and the ambient temperature, or the temperature variation caused by the fluid or gas flowing through the pipe. Finally, the thermal expansion can be calculated using the following formula: Thermal Expansion = CTE x Length x Temperature Change Where: - CTE signifies the coefficient of thermal expansion - Length denotes the pipe's length - Temperature Change represents the temperature difference For instance, if a steel pipe has a length of 10 meters (32.8 feet) and experiences a temperature change of 100 degrees Celsius (180 degrees Fahrenheit), assuming a CTE of 12 x 10^-6 per degree Celsius, the thermal expansion would amount to: Thermal Expansion = 12 x 10^-6 x 10 x 100 = 0.012 meters (or 12 millimeters) This means that the pipe would expand by 12 millimeters due to the temperature alteration. It is important to note that this calculation provides an approximation of the thermal expansion. However, other factors such as pipe supports, restraints, and the specific application should also be taken into consideration to ensure the proper design and installation of the steel pipe system.

Q: What is the average lifespan of steel pipes in different applications?: The lifespan of steel pipes in different applications can vary due to various factors, such as the quality of the steel, the environment in which they are used, and the maintenance and care they receive. Water supply lines typically have steel pipes that can last around 50 to 70 years on average. These pipes are often made of high-quality steel and experience less corrosive environments. However, the presence of corrosive substances, water chemistry, and soil conditions can significantly impact their lifespan. For industrial applications like oil and gas pipelines, steel pipes generally have a lifespan ranging from 20 to 50 years. These pipes are exposed to aggressive environments with high temperatures, pressure, and corrosive substances. Extending their lifespan can be achieved through regular inspections, maintenance, and corrosion protection measures. In construction applications, steel pipes used for structural purposes can last an average of 50 to 100 years or longer. These pipes are designed to withstand heavy loads and are often safeguarded by coatings or insulation to prevent corrosion. It's important to understand that these are average lifespans, and individual pipes may have shorter or longer lifespans depending on specific conditions. Ensuring the longevity of steel pipes in different applications can be achieved through regular inspections, maintenance, and timely repairs or replacements when necessary.

Q: How do steel pipes perform in extreme temperature variations?: Steel pipes perform well in extreme temperature variations due to their high thermal conductivity and resistance to expansion and contraction. They are able to withstand both high and low temperatures without losing their structural integrity or experiencing significant changes in dimensions. This makes steel pipes suitable for a wide range of applications, including those in industries with extreme temperature conditions, such as oil and gas, chemical processing, and power generation.

Q: What is the impact of steel pipe size on flow rate and pressure?: Both the flow rate and pressure are significantly impacted by the size or diameter of a steel pipe. To begin with, the flow rate represents the amount of fluid that can pass through the pipe within a given time frame. A larger diameter allows for a greater flow rate as it provides more space for the fluid to move through. This is because a larger cross-sectional area creates less resistance for the fluid. Consequently, increasing the size of the steel pipe generally leads to an increase in flow rate. Additionally, the size of a pipe affects the pressure within it. As the fluid flows through the pipe, it encounters friction against the pipe walls, resulting in resistance. This resistance causes a drop in pressure along the length of the pipe. A smaller diameter pipe experiences higher frictional losses, leading to a greater pressure drop. Conversely, a larger diameter pipe reduces frictional losses, resulting in a lower pressure drop. Therefore, increasing the size of the steel pipe typically leads to a decrease in pressure drop. It is important to note that although increasing the size of a steel pipe generally leads to a higher flow rate and lower pressure drop, other factors can also influence these parameters. These factors include the properties of the fluid, the length and layout of the pipe, and the presence of valves or fittings. Therefore, it is crucial to consider all these factors and perform accurate calculations or simulations to determine the specific impact of steel pipe size on flow rate and pressure within a given system.

Q: What are the advantages of using steel pipes in industrial plants?: Using steel pipes in industrial plants offers numerous advantages. Firstly, their exceptional strength and durability make them ideal for transporting materials and fluids under high temperatures, pressures, and heavy loads. Secondly, steel pipes have excellent resistance to corrosion, which is crucial in industrial settings where they encounter corrosive substances or harsh environmental conditions. This resistance ensures their longevity, prevents leaks, and eliminates potential hazards. Additionally, steel pipes are highly versatile. They can be easily fabricated and customized to meet specific requirements, including different sizes and shapes. This flexibility simplifies installation and maintenance, reducing downtime and improving overall efficiency. Moreover, steel pipes have a smooth interior surface, allowing for efficient material flow with minimal resistance and pressure drop. Their smoothness also prevents the accumulation of deposits and contaminants, ensuring a clean and hygienic environment. Furthermore, steel pipes exhibit high resistance to fire, providing an added layer of safety in industrial plants where fires can have disastrous consequences. Lastly, while the initial installation cost of steel pipes may be higher compared to other materials like plastic or copper, their durability and low maintenance requirements result in significant long-term cost savings. With a long lifespan and resistance to corrosion and damage, the need for frequent replacements or repairs is minimized. In conclusion, the use of steel pipes in industrial plants offers various advantages, including strength, durability, corrosion resistance, versatility, efficient flow, fire resistance, and cost-effectiveness. These qualities make steel pipes a reliable and efficient choice for diverse applications within industrial facilities.

Q: What is the load-bearing capacity of steel pipes?: The load-bearing capacity of steel pipes varies depending on factors such as pipe diameter, wall thickness, and the type of steel used. However, steel pipes generally have high load-bearing capacities due to their strength and durability.

Q: Galvanized steel pipe, PPR pipe, PE pipe, U-PVC pipe and HDPE double wall corrugated pipe and what is the difference between the characteristics of: U-PVC tubes are hard poly vinyl pipes, because they contain chlorine, so they are mainly used in sewer pipes or electrical wiring;HDPE double wall corrugated pipe is a high-density polyethylene pipe, because of its excellent electrical insulation performance, now mainly used for distribution line arrangement.

Q: Can steel pipes be bent or shaped to meet specific requirements?: Yes, steel pipes can be bent or shaped to meet specific requirements. The process of bending or shaping steel pipes is known as pipe bending. It involves using specialized machinery and techniques to manipulate the pipe into the desired shape. Various methods can be employed, including hot bending, cold bending, and induction bending. The choice of method depends on factors such as the size and thickness of the pipe, the required bend radius, and the specific application. Pipe bending is commonly used in industries such as construction, oil and gas, automotive, and manufacturing to create custom pipe configurations that fit specific requirements and allow for efficient installation and functionality.

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