Steel Pipe with High Quality and Best Price Q345 Q235

Steel Pipe with High Quality and Best Price Q345 Q235 System 1

Steel Pipe with High Quality and Best Price Q345 Q235 System 2

Steel Pipe with High Quality and Best Price Q345 Q235

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Loading Port:: China main port

Payment Terms:: TT OR LC

Min Order Qty:: 30 m.t.

Supply Capability:: 9000 m.t./month

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Product Description:

‍‍1、Structure of Steel Pipe with High Quality and Best Price Q345 Q235

Seamless steel pipe has a hollow section, a large number of pipes used for conveying fluid, such as oil, natural gas, gas, water and some solid materials, etc.. Compared to such as steel pipe and solid bar of steel, in flexural torsional strength are the same, the weight is light, is a kind of economic section steel, widely used in the manufacture of structural parts and mechanical parts, such as drill pipe, automobile transmission shaft, self frame as well as the construction of the steel scaffolding steel pipe manufacturing annular parts, can improve the material utilization rate, simplify the manufacturing process, material saving and working hours, has been widely used in steel pipe manufacturing.

2、Main Features of Steel Pipe with High Quality and Best Price Q345 Q235

·Highly demanded

·Durable

·Reliable

·resist corrosion

3、Steel Pipe with High Quality and Best Price Q345 Q235 Images：

Steel Pipe with High Quality and Best Price Q345 Q235

4、Steel Pipe with High Quality and Best Price Q345 Q235Specification:

Standard	JIS, DIN, ASTM JIS G3445-2006, JIS G3444-2006, JIS G3446-2004, DIN EN 10216-1-2004, DIN EN 10217-1-2005, DIN EN 10305, ASTM A106-2006, ASTM A53-2007, ASTM A789-2001, ASTM A1020-2002, ASTM A179-1990, ASTM A199
Grade	Cr-Mo alloy, Mo, ST35-ST52, Q195-Q345, CrNi alloy 15CrMo, 10CrMo910, 30CrMo, 15Mo3, 16Mo, St37, St52, St42, St45, Q235, Q345, Q195, Q215, Cr17Ni8, 1Cr13Mn9Ni1N
Thickness	2 - 50 mm
Section Shape	Round
Outer Diameter	10 - 900 mm
Secondary Or Not	Non-secondary
Application	Structure Pipe
Technique	EFW
Certification	API
‍‍Surface Treatment	Paint
Special Pipe	API Pipe
Alloy Or Not	Non-alloy

Specifications

1.W.T from 2mm to 70mm
2.OD from 10 to 1200mm
3.product by our own factory
4.on time dilivery

5、FAQ of Steel Pipe with High Quality and Best Price Q345 Q235:

①How is the quality of your products?

Our products are manufactured strictly according to national and internaional standard, and we take a test
on every pipe before delivered out. If you want see our quality certifications and all kinds of testing report, please just ask us for it.
Guaranteed: If products’ quality don’t accord to discription as we give or the promise before you place order, we promise 100% refund.

②How about price?

Yes, we are factory and be able to give you lowest price below market one, and we have a policy that “ for saving time and absolutely honest business attitude, we quote as lowest as possible for any customer, and discount can be given according to quantity”,if you like bargain and factory price is not low enough as you think, just don’t waste your time.Please trust the quotation we would give you, it is professional one.

③Why should you chose us?

Chose happens because of quality, then price, We can give you both.Additionally, we can also offer professional products inquiry, products knowledge train(for agents), smooth goods delivery, exellent customer solution proposals.Our service formula: good quality+good price+good service=customer’s trust
SGS test is available, customer inspection before shipping is welcome, third party inspection is no problem.

Any question, pls feel free to contact us !

Q:How are steel pipes used in the construction of shipbuilding?: Steel pipes are commonly used in shipbuilding for various purposes such as transporting fluids, supporting structures, and providing stability. They are used for the construction of the ship's hull, bulkheads, and compartments, as well as for the installation of water, fuel, and ventilation systems. Steel pipes are also utilized for the construction of masts, rigging, and other ship components that require strength and durability.

Q:How are steel pipes used in nuclear power plants?: Steel pipes are used in nuclear power plants for various purposes, such as transporting cooling water, steam, and other fluids, as well as for supporting and containing radioactive materials. They are crucial components in the construction of piping systems that help maintain the safe and efficient operation of nuclear reactors.

Q:How are steel pipes used in the construction of oil refineries?: Steel pipes are used in the construction of oil refineries to transport various fluids and gases such as crude oil, petroleum products, and natural gas. These pipes are highly durable and resistant to corrosion, making them ideal for handling the harsh and corrosive substances found in oil refineries. Additionally, steel pipes are capable of withstanding high pressure and extreme temperatures, ensuring the safe and efficient transportation of fluids within the refinery.

Q:What are the common maintenance practices for steel pipes?: The common maintenance practices for steel pipes include regular inspections for signs of corrosion or damage, cleaning and removing any debris or obstructions, applying protective coatings to prevent rust and corrosion, and conducting periodic leak tests to ensure the integrity of the pipes. Additionally, proper handling and storage procedures should be followed to prevent any physical damage or contamination.

Q:304 stainless steel tube with the diameter of 25*2-3 is what mean: This is according to the "water drawing standards" (GBT50106-2001) in 2.4.2-2 seamless steel pipe, welded steel pipe (straight or spiral seam), brass, stainless steel pipe, pipe diameter should be D diameter * thickness representation (such as D108 * 4 and D159 * 4.5); and the provisions of the habit of acting D with seamless pipe diameter.

Q:How are steel pipes used in power plants?: Steel pipes are used in power plants for various purposes such as carrying steam, water, and other fluids, as well as transporting fuel and exhaust gases. They are also utilized in the construction of boilers, heat exchangers, and condensers, ensuring efficient and reliable operation of power generation equipment.

Q:What is the tensile strength of steel pipes?: The grade and type of steel used can cause variation in the tensile strength of steel pipes. However, steel pipes generally possess a high tensile strength. Carbon steel pipes typically have a tensile strength range from 370 to 700 MPa, while alloy steel pipes can have a tensile strength range from 770 to 1200 MPa. These impressive tensile strengths enable steel pipes to withstand substantial pressure and stress, making them suitable for diverse applications in industries like construction, oil and gas, and automotive. It is important to recognize that factors like the manufacturing process, heat treatment, and the presence of defects or imperfections can also impact the tensile strength of steel pipes. Hence, it is recommended to consult the manufacturer's specifications or industry standards to determine the precise tensile strength of a specific steel pipe.

Q:How are steel pipes insulated to prevent heat gain?: Steel pipes are insulated to prevent heat gain by using materials with low thermal conductivity, such as fiberglass or mineral wool, which are wrapped around the pipes. This insulation layer acts as a barrier, reducing the transfer of heat from the surroundings to the pipes, thereby minimizing heat gain. Additionally, a vapor barrier may be applied over the insulation to prevent moisture ingress, which could further impact the insulation's effectiveness.

Q:How do you determine the maximum allowable stress for a steel pipe?: To determine the maximum allowable stress for a steel pipe, several factors need to be considered. Firstly, the type of steel used in the pipe is crucial as different types of steel have different mechanical properties and strengths. Secondly, the dimensions and thickness of the pipe play a significant role in determining its maximum allowable stress. Thicker pipes generally have higher allowable stresses compared to thinner ones. Additionally, it is important to consider the operating conditions under which the pipe will be subjected. This includes factors such as the temperature, pressure, and the type of fluid flowing through the pipe. These conditions can greatly affect the maximum allowable stress as high temperatures or corrosive fluids may weaken the steel and reduce its strength. To determine the maximum allowable stress, engineers typically refer to industry standards and codes such as the American Society of Mechanical Engineers (ASME) Boiler and Pressure Vessel Code and the American Petroleum Institute (API) standards. These standards provide guidelines and formulas for calculating the maximum allowable stress based on the material properties, dimensions, and operating conditions of the pipe. It is important to note that determining the maximum allowable stress is a critical step in ensuring the structural integrity and safety of the steel pipe. It requires a thorough understanding of the materials, design considerations, and industry standards. Therefore, it is recommended to consult with experienced engineers or professionals who specialize in piping design and analysis to accurately determine the maximum allowable stress for a steel pipe.

Q:Can steel pipes be used for underground utility lines?: Yes, steel pipes can be used for underground utility lines. Steel pipes are known for their durability and strength, making them suitable for underground applications. They can withstand heavy loads, pressure, and corrosion, which are essential factors for utility lines that are buried underground. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance.

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