Round Hot Rolled Seamless Pipes

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: -

Supply Capability:: 3000吨 m.t./month

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Structure of Seamless Steel Pipe

Brand	seamless steel pipe
Material	St35,St45,St52,E215,E235,E355,10,20, A106,A179,A192,A210,T11
Material	T22,T12, AISI4130,SAE1010,SAE1020.etc
Standard	Meet or exceed ASTM,ASME,API,ANSI and DIN standards.
	ASTM A106/A179/A192/A210/A213/A519 etc.
	DIN2391/DIN17175/EN10305 etc
	GB8162/GB8163/GB3639 etc
Technique	Cold Drawn/Cold rolled
Usage	1. auto and motorcycle steel pipe
	2. Gas spring steel Tube
	3. Boiler Pipe
	4. Low and middle pressure fluid transportation pipeline
	5. Hydraulic system steel tube
	6. Electric industry

Application	Cold drawn or cold rolled precision seamless steel tubes for hydraulic pressure and pneumatic services.
	For Auto use,machinery use,oil cylinder tube,motorcycle shock reducer use,auto shock reducer inner cylinder,gas spring use etc.
	Seamless steel pipes for low and medium pressure boiler, high pressure boiler, ship-building,Liquid service, petroleum cracking, chemical fertilizer equipment,Drawing-oil-equipment and structure purposes.

‍‍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

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

Packaging & Delivery

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

Seamless Pipe Image

Round Hot Rolled Seamless Pipes

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.

Q: How are steel pipes insulated for thermal applications?: Steel pipes are commonly insulated for thermal applications using various materials such as fiberglass, mineral wool, or foam insulation. These insulating materials are typically wrapped around the steel pipes to create a protective barrier that reduces heat transfer. Additionally, a vapor barrier may be installed to prevent moisture condensation. This insulation helps to maintain the desired temperature of the fluid or gas being transported through the pipes and prevents energy loss.

Q: What is the standard length of a steel pipe?: The standard length of a steel pipe can vary depending on the industry and application. However, in general, the standard lengths of steel pipes range from 18 to 24 feet. These lengths are commonly used in construction, plumbing, and other industrial applications. It is important to note that custom lengths can also be obtained to suit specific project requirements.

Q: What are the quality control measures for steel pipe production?: Quality control measures for steel pipe production typically involve several steps to ensure the final product meets the required specifications and industry standards. These measures may include inspection of raw materials, such as the steel coils or plates, to ensure they meet the required chemical composition and mechanical properties. During manufacturing, various processes like forming, welding, and heat treatment are closely monitored to maintain dimensional accuracy and integrity. Non-destructive testing methods, such as ultrasonic or radiographic inspection, are often employed to detect any defects or anomalies in the pipes. Additionally, visual inspection, surface treatment assessment, and mechanical testing are conducted to assess the overall quality before the pipes are released for distribution.

Q: Can steel pipes be used for geothermal heating systems?: Yes, steel pipes can be used for geothermal heating systems. Steel pipes are commonly used for their durability and ability to withstand high temperatures and pressures. They are suitable for transferring geothermal heat from the ground to the heating system within a building. However, it is important to consider the specific requirements of the geothermal system and consult with professionals to ensure proper installation and compatibility with the system components.

Q: Can steel pipes be used for the construction of railway tracks?: No, steel pipes are not suitable for the construction of railway tracks. Railway tracks require specialized rails made of steel that are specifically designed to withstand the heavy loads and constant wear and tear associated with train traffic. Pipes do not have the necessary shape, strength, or durability to serve as railway tracks.

Q: How are steel pipes transported?: Steel pipes are typically transported using various methods, including trucks, trains, and ships. They are often loaded onto flatbed trucks or railcars for land transportation, while larger quantities are transported by bulk carriers or container ships for overseas shipping. The pipes are secured with straps or chains to ensure safe and stable transport, and they may also be packed in bundles or placed in specially designed containers to protect them from damage during transit.

Q: How do you calculate the pipe flow velocity for steel pipes?: To calculate the pipe flow velocity for steel pipes, you can use the Manning's formula or the Darcy-Weisbach equation. 1. Manning's formula: This formula is commonly used for open channel flow but can also be applied to partially filled pipes. It calculates the velocity based on the pipe's hydraulic radius, slope, and Manning's roughness coefficient. The formula is as follows: Velocity (V) = (1.486/n) * (R^2/3) * (S^1/2) Where: - V is the velocity - n is the Manning's roughness coefficient (which can be obtained from reference tables) - R is the hydraulic radius (cross-sectional area divided by wetted perimeter) - S is the slope of the energy grade line 2. Darcy-Weisbach equation: This equation is widely used for pipe flow calculations and is based on the principle of energy conservation. It calculates the velocity based on the pipe's diameter, roughness coefficient, and the head loss due to friction. The formula is as follows: Velocity (V) = (2 * g * hL)^0.5 Where: - V is the velocity - g is the acceleration due to gravity (approximately 9.81 m/s^2) - hL is the head loss due to friction, which can be calculated using the Darcy-Weisbach equation: hL = (f * L * V^2) / (2 * g * D) Where: - f is the Darcy friction factor (which depends on the Reynolds number and pipe roughness) - L is the length of the pipe - D is the diameter of the pipe Both formulas require some input parameters such as pipe dimensions, roughness coefficients, and slope. These parameters can be obtained from engineering references or pipe manufacturer specifications. It is important to note that these formulas provide approximate values and may require iterations or adjustments for accurate results.

Q: How to make the internal tooth of the steel pipe?: At present, in our country, 300MW or 600MW or more large capacity sub critical and supercritical thermal power boilers are designed or imported abroad. Membrane internal wall tubes are widely used in membrane water wall.

Q: Can steel pipes be used in the automotive industry?: Yes, steel pipes can be used in the automotive industry. They are commonly used for various applications such as exhaust systems, fuel lines, and structural components due to their strength, durability, and resistance to heat and corrosion.

Q: Can steel pipes be used for offshore oil and gas platforms?: Yes, steel pipes are commonly used for offshore oil and gas platforms due to their high strength, durability, and resistance to corrosion in marine environments.

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