ERW oil Tubes Welded Steel Pipe Manufacturer

ERW oil Tubes Welded Steel Pipe Manufacturer

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 12000 m.t./month

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Quick Details

Thickness:	1.5 - 14 mm	Section Shape:	Round	Outer Diameter:	21 - 219 mm
Place of Origin:	Tianjin China (Mainland)	Secondary Or Not:	Non-secondary	Application:	Structure Pipe
Technique:	Cold Rolled	Certification:	ISO	Surface Treatment:	oiled
Special Pipe:	EMT Pipe	Alloy Or Not:	Non-alloy	Wall thickness:	thin wall pipe
Grade:	Q195,Q195-Q345	Standard:	BS ,JIS G3101,DIN 2444,BS,JIS,DIN,API 5L

1、Structure of Seamless Pipe ASTM A106/53:

carbon seamless steel pipes are widely used in gas, water and oil, transpotation;constructions;Bridge,highway,windows of model steel door; building materials;fences;heating facilities Fluid Pipe;conduit pipe,scaffolding pipe.etc.

Payment Terms: L/C D/A D/P T/T

Packing and shipment

Packaged in bundles,as per customers' requirements, it can also bepackagesd as beveled ends, typed marking, black painting, plastic caps protection,woven bags packing

For 20" container the max length is 5.8m; For 40" container the max length is 12m. other options are available based on customer requests. Please discuss when placing orders.

2、‍‍Main Features of the Seamless Pipe ASTM A106/53:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price

1) Material:20#(ASTM A 106/A53 GRB.API5LGRB,GB),45#,16Mn,10#.

2) Specification range:OD:21.3-610mm,WT:6-70mm,length:6-12m or according to the requirement of clients.

3) Excutive standards:GB,ASME API5L.ASTM A 106/A53,Despite of the above standards,we can also supply seamless steel pipe with standard of DIN,JIS,and so on,and also develop new products according to the requirements of our clients!
4) Surface:black lacquered,varnish coating or galvanized.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.

3、Seamless Pipe ASTM A106/53 Specification：

Standard	GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007
Grade	10#-45#, 16Mn 10#, 20#, 45#, 16Mn
Thickness	8 - 33 mm
Section Shape	Round
Outer Diameter	133 - 219 mm
Place of Origin	Shandong, China (Mainland)
Secondary Or Not	Non-secondary
Application	Hydraulic Pipe
Technique	Cold Drawn
Certification	API
‍Surface Treatment	factory state or painted black
‍Special Pipe	API Pipe
Alloy Or Not	Non-alloy
Length	5-12M
Outer Diameter	21.3-610mm
Grade	20#, 45#, Q345, API J55, API K55, API L80, API N80, API P110, A53B
Standard	ASME, ASTM

4、Packaging & Delivery

Packaging Details:	seaworthy package,bundles wrapped with strong steel strip
Delivery Detail:	15-30days after received 30%TT

5、FAQ of Seamless Pipe ASTM A106/53:

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.

6、‍‍Seamless Pipe ASTM A106/53 Images：

ERW oil Tubes Welded Steel Pipe Manufacturer

Q: Can steel pipes be used for stadium construction?: Yes, steel pipes can be used for stadium construction. Steel pipes offer several advantages that make them suitable for this purpose. Firstly, steel pipes are strong and durable, making them capable of withstanding heavy loads and providing structural stability to large structures like stadiums. They have high tensile strength, which means they can resist bending or breaking under pressure. Additionally, steel pipes are resistant to corrosion, which is crucial for outdoor structures like stadiums that are exposed to various weather conditions. Their resistance to rust and other forms of degradation ensures the longevity of the stadium. Furthermore, steel pipes are versatile and can be easily fabricated into different shapes and sizes, allowing for customized designs and efficient installation. Moreover, steel pipes offer cost-effectiveness in stadium construction. They can be easily produced in large quantities, making them readily available and affordable. The ease of transportation and installation of steel pipes also contributes to their cost-effectiveness. Another advantage of using steel pipes for stadium construction is their sustainability. Steel is a recyclable material, and using steel pipes promotes environmental responsibility. The recyclability of steel reduces the demand for new materials and minimizes waste. In summary, steel pipes can indeed be used for stadium construction due to their strength, durability, resistance to corrosion, versatility, cost-effectiveness, and sustainability.

Q: What time what time for gas pipeline steel pipe PE pipe: PE pipe is suitable for medium voltage and low voltage 0.4MPa below the pressure pipe wall thickness. According to the different pressure is not the same, so the steel tube can be used for high pressure.

Q: How do you determine the required wall thickness for steel pipes?: The determination of the necessary wall thickness for steel pipes involves the consideration of multiple factors and calculations. One of the main factors to be taken into account is the pressure to which the pipe will be exposed. As the pressure increases, a thicker wall is required to guarantee that the pipe can endure the internal forces. The material strength of the steel used for the pipe is also a significant factor. Different steel grades possess varying tensile strengths, which directly impact the required wall thickness. Tensile strength refers to the maximum stress a material can withstand before failing, making it crucial to select a steel grade capable of withstanding the expected pressure. Furthermore, the pipe's diameter is influential in determining the necessary wall thickness. Pipes with larger diameters typically necessitate thicker walls to maintain their structural integrity and prevent deformation under pressure. Engineers employ industry standards and formulas to calculate the required wall thickness. The American Society of Mechanical Engineers (ASME) B31 code is the most widely used standard, offering guidelines for designing pressure piping systems. The ASME code integrates safety margins, material properties, and pressure ratings to determine the appropriate wall thickness. Other factors, such as temperature, corrosion, and external loads, can also influence the necessary wall thickness. For instance, applications involving high temperatures may require thicker walls to prevent buckling or softening of the pipe. In conclusion, the determination of the required wall thickness for steel pipes involves the consideration of pressure, material strength, diameter, temperature, and other external forces. Engineers rely on industry standards and calculations to ensure the pipe's ability to safely withstand the intended operating conditions.

Q: Can steel pipes be used for underground telecommunications networks?: Indeed, underground telecommunications networks can utilize steel pipes. The strength, durability, and corrosion resistance of steel pipes make them a prevalent choice for underground applications. These pipes offer both protection and support for telecommunication cables, effectively enduring the pressure and load exerted underground. Moreover, applying protective coatings to steel pipes can augment their corrosion resistance and prolong their lifespan. All in all, steel pipes prove to be a dependable option for underground telecommunications networks.

Q: Is steel pipe made of profiles?: According to the shape of the cross-section, the steel is generally divided into profiles, plates, pipes and metal products in four categories.Therefore, the steel pipe belongs to the pipe, not the profile.

Q: How are steel pipes threaded?: Threading, a process that involves creating screw-like grooves on the outer surface of steel pipes, enables their connection to other pipes or fittings using threaded connections. Steel pipes can be threaded through various methods, including manual threading, electric threading machines, and hydraulic threading machines. Manual threading employs a handheld pipe threading tool called a die. The die is positioned on the outside of the pipe, and while pressure is applied, the pipe is rotated to generate the threads. This technique is suitable for smaller diameter pipes and is commonly used for on-site repairs or in smaller operations. For larger diameter pipes, electric threading machines are commonly used. These machines consist of a motor-driven spindle that rotates the pipe and a die head that houses the threading dies. The operator simply feeds the pipe into the machine, and the threading dies automatically cut the threads onto the pipe. Hydraulic threading machines, similar to electric threading machines, utilize hydraulic power to rotate the pipe and create the threads. These machines are typically employed for larger diameter pipes or heavy-duty applications. Irrespective of the method employed, it is crucial to properly prepare the pipe before threading. This may involve cleaning the pipe, eliminating any burrs or sharp edges, and applying a lubricant to minimize friction during the threading process. In conclusion, threading is a widely used and efficient technique for establishing threaded connections on steel pipes. It facilitates easy assembly and disassembly of pipes and fittings, making it a popular choice in industries such as plumbing, construction, and oil and gas.

Q: Can steel pipes be used for conveying compressed air?: Indeed, compressed air can indeed be conveyed through steel pipes. In industrial settings, steel pipes find frequent use due to their ability to withstand high pressure and maintain durability. With their remarkable tensile strength, steel pipes prove capable of handling the immense pressures generated by compressed air systems. Furthermore, the resistance of steel pipes to corrosion becomes crucial when confronted with moisture within compressed air. Nevertheless, it remains vital to guarantee that the steel pipes are adequately sized and rated to meet the precise pressure and flow prerequisites of the compressed air system. Moreover, adhering to proper installation and maintenance practices becomes imperative to avert any potential leaks or failures.

Q: Are steel pipes suitable for use in chemical plants?: Yes, steel pipes are suitable for use in chemical plants. Steel pipes have excellent resistance to corrosion and high temperatures, making them ideal for transporting various chemicals and fluids in a safe and efficient manner. Their strength, durability, and versatility make them a preferred choice in the chemical industry.

Q: How do you calculate the pipe flow rate coefficient for steel pipes?: In order to determine the pipe flow rate coefficient for steel pipes, one must consider several factors pertaining to the pipe's dimensions, material properties, and the fluid that is flowing through it. The pipe flow rate coefficient, which is also known as the discharge coefficient (Cd), is a dimensionless quantity that represents the efficiency of the fluid flow within the pipe. To calculate the pipe flow rate coefficient for steel pipes, the following steps should be followed: 1. Find the inside diameter (ID) of the steel pipe. This measurement corresponds to the internal cross-sectional area of the pipe through which the fluid passes. 2. Use the formula A = π * (ID/2)^2 to calculate the pipe's cross-sectional area (A). Here, π represents the mathematical constant pi (approximately 3.14). 3. Measure the pressure drop (∆P) across the steel pipe. This refers to the difference in pressure between the inlet and outlet of the pipe. 4. Measure the fluid flow rate (Q) through the pipe. This can be achieved by using flow meters or by determining the time it takes for a known volume of fluid to traverse the pipe. 5. Utilize the formula V = Q / A to calculate the velocity (V) of the fluid flowing through the pipe. In this equation, Q represents the fluid flow rate and A denotes the cross-sectional area of the pipe. 6. Employ the formula Cd = Q / (A * √(2 * ∆P / ρ)) to calculate the pipe flow rate coefficient (Cd). In this formula, ρ represents the fluid density. The equation is derived from Bernoulli's equation and incorporates the pressure drop, fluid flow rate, and fluid density. It is important to note that the pipe flow rate coefficient for steel pipes can vary depending on factors such as pipe roughness, fluid viscosity, and Reynolds number. Therefore, it is advisable to consult relevant engineering standards, such as the Darcy-Weisbach equation or the Hazen-Williams equation, to obtain more accurate values for specific pipe configurations and fluid properties.

Q: Can steel pipes be used for offshore applications?: Steel pipes are suitable for offshore applications. They are commonly employed in offshore industries due to their durability, strength, and resistance to corrosion. In offshore settings, such as oil and gas exploration, drilling, production, and fluid and gas transportation, steel pipes are frequently necessary. These pipes are specifically designed to endure harsh and corrosive conditions found offshore, which include exposure to saltwater, extreme temperatures, and high pressure. Moreover, steel pipes can be manufactured to meet specific requirements for offshore projects, guaranteeing safety and dependability in terms of size, thickness, and material grade. In summary, steel pipes are a dependable and extensively utilized option for offshore applications.

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