Schedule 40 Seamless Carbon Steel Pipe 13CRMO44 CNBM

Schedule 40 Seamless Carbon Steel Pipe 13CRMO44 CNBM System 1

Schedule 40 Seamless Carbon Steel Pipe 13CRMO44 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 is the role of steel pipes in the construction of bridges and tunnels?: Steel pipes play a vital role in the construction of bridges and tunnels as they provide structural support and durability. They are commonly used for the fabrication of the framework and foundation of these infrastructures. Steel pipes offer high tensile strength, corrosion resistance, and the ability to withstand heavy loads, making them an ideal choice for ensuring the integrity and longevity of bridges and tunnels. Additionally, steel pipes can be easily welded, allowing for efficient and cost-effective construction methods.

Q: How do you calculate the pipe head loss for steel pipes?: The Darcy-Weisbach equation is utilized for calculating the pipe head loss in steel pipes. This equation establishes a connection between the head loss (hL) and various factors such as the flow rate (Q), pipe diameter (D), pipe length (L), fluid density (ρ), fluid velocity (V), and the friction factor (f). The formula can be expressed as: hL = (f * (L/D) * (V^2))/(2g) Where: - The head loss (hL) is measured in meters - The friction factor (f) is dimensionless - The pipe length (L) is measured in meters - The pipe diameter (D) is measured in meters - The fluid velocity (V) is measured in meters per second - The acceleration due to gravity (g) is typically taken as 9.81 m/s^2 The friction factor (f) relies on the Reynolds number (Re) of the flow, which is a dimensionless quantity representing the ratio of inertial forces to viscous forces. The Reynolds number can be calculated using the following equation: Re = (ρ * V * D) / μ Where: - The Reynolds number (Re) is dimensionless - The fluid density (ρ) is measured in kg/m^3 - The fluid velocity (V) is measured in meters per second - The pipe diameter (D) is measured in meters - The dynamic viscosity of the fluid (μ) is measured in Pa·s or N·s/m^2 The friction factor (f) can be obtained from empirical correlations or from Moody's diagram, which establishes a connection between the Reynolds number, the relative roughness of the pipe surface, and the friction factor. By substituting the calculated friction factor (f) and other known values into the Darcy-Weisbach equation, the head loss in the steel pipe can be determined. It is important to note that the head loss represents the energy lost due to friction and other factors and is usually expressed in terms of pressure drop or height difference.

Q: How are steel pipes recycled at the end of their life cycle?: Steel pipes are typically recycled at the end of their life cycle by first being collected and sorted at recycling facilities. They are then cleaned and processed to remove any contaminants. The pipes are further broken down into smaller pieces and melted in a furnace. Once the molten steel is formed, it can be used to create new steel products, such as pipes or other construction materials. This recycling process helps reduce the demand for new steel production and conserves valuable resources.

Q: What are the common sizes of steel pipes?: Common sizes of steel pipes can vary depending on the application, but some common sizes include 1/2 inch, 3/4 inch, 1 inch, 1.5 inches, 2 inches, 3 inches, 4 inches, 6 inches, 8 inches, 10 inches, and 12 inches in diameter.

Q: How are steel pipes measured and labeled?: Steel pipes are typically measured and labeled based on their outside diameter (OD) and wall thickness. The measurement is usually expressed in millimeters or inches. The label includes these dimensions, such as "2-inch OD, 1/8-inch wall thickness." Additionally, the length of the pipe may also be included in the labeling, ranging from standard lengths like 6 meters or 20 feet.

Q: How are steel pipes used in the construction of chemical plants?: Steel pipes are widely used in the construction of chemical plants due to their durability, corrosion resistance, and ability to handle high pressure and temperature. These pipes are primarily utilized for transporting various chemicals, gases, and liquids within the plant, ensuring a safe and efficient flow of materials throughout the facility. They are commonly employed in the installation of process pipelines, utility systems, and structural supports, playing a crucial role in the overall functionality and reliability of chemical plants.

Q: How are steel pipes used in the manufacturing of automotive exhaust systems?: Steel pipes are commonly used in the manufacturing of automotive exhaust systems due to their durability, heat resistance, and ability to withstand corrosive gases. These pipes are utilized to transport and direct the exhaust gases from the engine to the rear of the vehicle. They are often bent and welded to create a complex system of pipes, mufflers, and catalytic converters, ensuring the efficient flow and treatment of exhaust gases while reducing noise levels.

Q: How do you connect steel pipes together?: Various industries commonly employ several methods to connect steel pipes together. One frequently utilized technique is welding, which involves the heating of the steel pipe ends and their subsequent joining using a welding rod or wire. This method results in a robust and enduring connection that can withstand high pressures and temperatures. Threading, another method, entails cutting threads into the ends of the steel pipes. These threaded ends can then be screwed together using pipe fittings such as couplings or unions. Threading is particularly advantageous for smaller diameter pipes as it allows for easy disassembly and reassembly. Flanges also serve as a means to connect steel pipes. These flat, circular discs with holes can be bolted together, providing a secure connection. Flanges are especially suitable for large diameter pipes or those that require frequent disconnection for maintenance or repairs. Pipe fittings, such as couplings, tees, elbows, or reducers, can also be employed for connecting steel pipes. These fittings, typically composed of steel or other materials, are designed for welding, threading, or utilizing other connection methods like grooving or compression. It is important to consider various factors, such as pipe size, application, required strength, and adherence to industry standards or codes, when selecting the appropriate method for joining steel pipes. Consulting with a qualified professional or referring to industry-specific guidelines is essential in making this decision.

Q: Where is a steel pipe casing usually used?: A straight tube of carbon steel sheathed on pipes and tubes and threading tubes to protect the joints from damage by electric welding. The purpose is to protect the wires and cables.

Q: What are the applications of stainless steel pipes?: Stainless steel pipes are widely used in various industries and applications due to their excellent corrosion resistance, durability, and strength. Some common applications include plumbing systems, water supply and distribution, heating and cooling systems, oil and gas industry, chemical processing plants, food and beverage industry, automotive industry, construction, and infrastructure projects. Additionally, stainless steel pipes are also utilized in pharmaceutical manufacturing, aerospace engineering, marine applications, and wastewater treatment facilities.

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