Schedule 40 Seamless Carbon Steel Pipe 16Mn CNBM

Schedule 40 Seamless Carbon Steel Pipe 16Mn 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 pipe

Q: What are the different methods of pipe protection for steel pipes?: Steel pipes can be protected in various ways, each with its own purpose and level of defense. Some commonly used methods include: 1. Coatings: To shield steel pipes from corrosion and environmental factors, coatings are applied to the outer surface. These can be paints, epoxies, or polymers that create a barrier between the pipe and its surroundings, preventing contact with corrosive elements. 2. Wrapping: Another method involves using materials like tape or shrink wrap to cover the steel pipe, providing a physical barrier against moisture, chemicals, and corrosive substances. Wrapping is often combined with coatings to enhance protection. 3. Cathodic Protection: This electrochemical method safeguards steel pipes from corrosion by connecting them to a sacrificial anode, typically made of zinc or magnesium. The anode corrodes instead of the pipe, preventing deterioration. It is commonly used for buried or submerged pipelines. 4. Thermal Insulation: Steel pipes exposed to extreme temperatures can be protected with thermal insulation. Materials like foam or mineral wool are applied around the pipe to minimize heat transfer. This is particularly important for pipes carrying hot fluids or in harsh weather conditions. 5. Vibration Dampening: Vibrations can damage steel pipes by causing stress and fatigue. To counter this, techniques like vibration damping pads or supports and clamps can be used. These methods absorb and dissipate the energy generated by vibrations, reducing the risk of pipe failure. 6. Concrete Coating: For pipelines installed underwater or in highly corrosive environments, concrete coating is often employed. A layer of concrete or cement-based mortar is applied to the steel pipe, providing both mechanical protection and resistance to corrosion. Choosing the appropriate method of pipe protection depends on the specific application, environmental conditions, and desired level of defense. Regular inspection and maintenance are also crucial in maintaining the long-term integrity of steel pipes.

Q: How are steel pipes used in the manufacturing of wastewater treatment systems?: Steel pipes are used in the manufacturing of wastewater treatment systems for various purposes such as carrying and transporting wastewater, providing structural support to the system, and facilitating the flow of water and chemicals throughout the treatment process.

Q: How are steel pipes marked for identification and traceability?: Various methods are utilized to mark and trace steel pipes for identification purposes. One prevalent technique involves the use of permanent markers or paint. These markings typically encompass vital information such as the manufacturer's name or logo, the pipe's dimensions and specifications, and the production date or batch number. Aside from surface marking, steel pipes may also be identified through the utilization of tags or labels. These tags are commonly constructed from durable materials such as metal or plastic and are securely affixed to the pipe. They entail comprehensive details regarding the pipe, including its unique identification number, material composition, and any pertinent certifications or standards it adheres to. Another method employed for identification and traceability encompasses the application of barcodes or QR codes. These codes can be scanned using specialized equipment or mobile applications, instantly granting access to comprehensive information concerning the pipe's origin, production process, and quality control measures. Barcodes and QR codes offer a more efficient and automated means of monitoring and tracing steel pipes throughout their lifespan. Moreover, some steel pipes may feature embossed or engraved markings directly on their surface. These markings are typically etched into the metal and possess the ability to withstand harsh conditions, ensuring long-term visibility and legibility. The ultimate objective of marking steel pipes is to guarantee their accurate identification and traceability throughout their lifespan. This aids in quality control, maintenance, and inspection procedures, as well as ensuring compliance with regulatory requirements. Clear and permanent markings enable manufacturers, suppliers, and users to effortlessly track and trace the history and specifications of steel pipes, facilitating better management and accountability in diverse industries such as construction, oil and gas, and infrastructure development.

Q: What is the thermal expansion coefficient of steel pipes?: The thermal expansion coefficient of steel pipes varies based on the particular steel type and the temperature range in which the expansion is measured. On average, the thermal expansion coefficient of steel pipes is between 10-14 x 10^-6 per degree Celsius (10-14 μm/m°C). Thus, for each degree Celsius rise in temperature, the length of a steel pipe will roughly increase by 10-14 μm per meter. It is vital to acknowledge that this value is an average and may slightly differ based on the specific composition and treatment of the steel employed in the pipe.

Q: What is the fatigue strength of steel pipes?: The fatigue strength of steel pipes refers to the maximum stress level that the pipes can endure without experiencing fatigue failure or damage over a given number of stress cycles. It varies depending on factors such as the steel composition, manufacturing process, pipe dimensions, and environmental conditions.

Q: What is the creep resistance of steel pipes?: The creep resistance of steel pipes refers to their ability to withstand deformation or elongation over time when subjected to high temperatures and constant stress. Steel pipes are known for their excellent creep resistance due to the inherent strength and stability of the material. The specific creep resistance of steel pipes can vary depending on factors such as the alloy composition, heat treatment, and the operating conditions they are exposed to. Creep is a phenomenon that occurs at elevated temperatures where materials slowly deform under constant stress. In the case of steel pipes, this can be a concern in applications where they are exposed to high temperatures for prolonged periods, such as in power plants, industrial furnaces, or steam pipelines. The resistance to creep deformation is crucial to ensure the structural integrity and longevity of the pipes. Steel pipes are often designed and manufactured with alloys that have high creep resistance properties, such as chromium-molybdenum (Cr-Mo) steels or nickel-based alloys. These alloys exhibit excellent mechanical strength, good thermal stability, and resistance to oxidation and corrosion, all of which contribute to their superior creep resistance. Furthermore, heat treatment processes like quenching and tempering can significantly enhance the creep resistance of steel pipes. These treatments involve controlled heating and cooling cycles that optimize the microstructure of the steel, increasing its resistance to deformation and improving its overall performance at high temperatures. It is important to note that the creep resistance of steel pipes is typically specified by industry standards and codes, such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code. These standards define the allowable stress levels and design criteria for various steel pipe applications, ensuring that they meet the required safety and performance standards. In summary, steel pipes are known for their excellent creep resistance due to their inherent strength, stability, and resistance to high temperatures. The specific creep resistance of steel pipes can vary depending on factors such as alloy composition, heat treatment, and operating conditions. Proper design and adherence to industry standards are crucial to ensuring the desired creep resistance and overall performance of steel pipes in various applications.

Q: What are the common defects found in steel pipes?: Some common defects found in steel pipes include corrosion, cracks, pitting, scaling, and distortion.

Q: Can steel pipes be used for electrical conduit systems?: Yes, steel pipes can be used for electrical conduit systems. Steel pipes are a popular choice for electrical conduit systems due to their durability and strength. They are capable of providing protection to electrical wires and cables from physical damage, moisture, and other environmental factors. Steel pipes also have high resistance to fire, making them suitable for installations in buildings where fire safety is a concern. However, it is important to note that steel pipes may require proper grounding to prevent electrical shocks and should comply with local building and electrical codes.

Q: What are the factors to consider when selecting pipe materials for corrosive environments?: When selecting pipe materials for corrosive environments, there are several factors to consider. Firstly, the chemical composition and concentration of the corrosive substances must be evaluated, as different materials have varying resistance to specific chemicals. The temperature and pressure conditions in the environment also play a crucial role in material selection, as some materials may degrade or become brittle under extreme conditions. Additionally, the pipe's mechanical properties, such as strength and flexibility, should be assessed to ensure it can withstand the corrosive environment. The cost and availability of the chosen material, as well as its compatibility with other components in the system, should also be taken into account. Overall, a comprehensive understanding of the corrosive environment and thorough research on material properties are essential for selecting the most suitable pipe material.

Q: How are steel pipes stored and transported?: Steel pipes are typically stored and transported in a systematic and efficient manner to ensure their safety and prevent damage. When it comes to storage, steel pipes are usually stacked horizontally or vertically in designated areas. If stacked vertically, they are often placed on custom-made racks or stands that provide support and prevent them from rolling or collapsing. This vertical stacking method saves space and allows for easy accessibility when needed. To protect steel pipes from corrosion and environmental elements, they are often coated with a layer of paint or other protective materials. Additionally, pipes are sometimes stored indoors in warehouses or storage facilities to shield them from adverse weather conditions. When it comes to transportation, steel pipes are typically loaded onto trucks, railcars, or ships depending on the distance and destination. Specialized equipment such as cranes or forklifts is used to handle and load the pipes onto the transportation vehicles. Pipes are secured tightly to prevent movement during transit using straps, chains, or braces. This ensures that the pipes remain stable and do not cause any damage to themselves or other cargo. For long-distance transportation, steel pipes are often transported in bundles or stacks, secured with additional reinforcements. Pipes may also be packed in protective coverings or containers to shield them from external factors such as moisture, dust, or impacts. Overall, the storage and transportation of steel pipes involve careful planning, proper handling, and appropriate protective measures to ensure their integrity and quality are maintained throughout the process.

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