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:What are the dimensions of a standard steel pipe?: The dimensions of a standard steel pipe can vary depending on the specific application and industry standards. However, common dimensions include outer diameter (OD) and wall thickness (WT). For instance, a standard steel pipe might have an outer diameter ranging from 0.84 inches to 24 inches, and a wall thickness varying from schedule 5 to schedule 160.

Q:What are the common standards and specifications for steel pipes?: The common standards and specifications for steel pipes include ASTM A53, ASTM A106, API 5L, and ISO 3183. These standards outline the requirements for the manufacturing, dimensions, and mechanical properties of steel pipes used in various industries such as oil and gas, construction, and transportation. Additionally, specific applications may have their own standards and specifications that need to be met for quality and safety purposes.

Q:Can steel pipes be recycled after their useful life?: Steel pipes can indeed be recycled once they have served their purpose. Steel, being an incredibly recyclable substance, can be recycled even in the form of pipes. The recycling of steel pipes entails the collection of used pipes, followed by thorough cleaning to eliminate any impurities, and finally transforming them into fresh steel products. This recycling process contributes to the preservation of natural resources, curbs energy usage, and limits waste generation. Moreover, recycling steel pipes aids in mitigating the environmental repercussions linked to the manufacturing of new steel.

Q:How does the price of steel pipes vary based on market demand?: The price of steel pipes varies based on market demand because when the demand for steel pipes is high, the prices tend to increase as suppliers can charge more for their products. Conversely, when the demand is low, the prices may decrease as suppliers may need to offer discounts or special deals to attract buyers. Essentially, the price of steel pipes fluctuates with changes in market demand.

Q:What's the difference between a cracked carbon steel tube and a liquid carbon steel tube?: If the material is the same, the process is different from the test.

Q:How does galvanization protect steel pipes from corrosion?: Galvanization protects steel pipes from corrosion by creating a protective zinc layer on the surface of the steel. This zinc layer acts as a barrier, preventing moisture and oxygen from reaching the steel, thus inhibiting the formation of rust and corrosion.

Q:What are the quality control measures for steel pipe manufacturing?: Quality control measures for steel pipe manufacturing include various inspections and tests to ensure the pipes meet the required standards and specifications. Some common quality control measures include visual inspections for surface defects, dimensional checks to ensure accurate size and length, ultrasonic or magnetic particle testing for detecting internal or surface defects, hydrostatic testing to check for leaks or weaknesses, and chemical analysis to verify the composition of the steel. Additionally, adherence to proper manufacturing processes, documentation of procedures, and regular audits are also part of quality control measures in steel pipe manufacturing.

Q:What are the common applications of seamless steel pipes?: Due to their unique properties, seamless steel pipes are widely used in various industries. Here are some of the most common applications: 1. The oil and gas industry extensively utilizes seamless steel pipes for transporting oil, gas, and other fluids. These pipes are preferred because of their high strength, durability, and resistance to corrosion, making them suitable for harsh environments. 2. Seamless steel pipes are extensively used in construction projects, such as building, bridge, and tunnel construction. They are ideal for structural applications due to their ability to withstand heavy loads and provide excellent strength and stability. 3. The automotive industry relies on seamless steel pipes for manufacturing automotive parts, including exhaust systems, engine components, and hydraulic systems. These pipes offer high strength, reliability, and resistance to heat, making them suitable for demanding automotive applications. 4. Various mechanical and engineering applications benefit from the usage of seamless steel pipes. They are commonly used for carrying fluids, gases, and steam, as well as for transmitting power in machinery and equipment. 5. Power plants extensively utilize seamless steel pipes for transporting steam and hot water. These pipes are capable of withstanding high pressure and temperature, making them ideal for power generation applications. 6. The petrochemical industry heavily relies on seamless steel pipes for transporting chemicals, gases, and liquids. These pipes have excellent resistance to corrosion, which is essential when dealing with hazardous and corrosive substances. 7. The mining industry utilizes seamless steel pipes for various applications, including the transportation of slurry, water, and other mining-related fluids. These pipes offer durability, reliability, and resistance to abrasion, making them suitable for the challenging mining environment. 8. The aerospace industry finds applications for seamless steel pipes in manufacturing aircraft components, such as hydraulic systems, fuel lines, and structural parts. These pipes provide a high strength-to-weight ratio and resistance to extreme temperatures and pressure. Overall, seamless steel pipes play a crucial role in a wide range of industries. Their exceptional properties, including strength, durability, resistance to corrosion and high temperatures, make them an essential component in various industrial processes and infrastructure development.

Q:How do you calculate the thermal expansion of steel pipes?: In order to determine the thermal expansion of steel pipes, it is necessary to utilize the coefficient of thermal expansion (CTE) specific to steel. The CTE represents the extent to which a material expands or contracts in response to temperature fluctuations. Typically, the average value of CTE for steel is around 12 x 10^-6 per degree Celsius (12 μm/m°C). To calculate the thermal expansion of a steel pipe, one must possess knowledge of the pipe's initial length (L0), the temperature change (ΔT), and the CTE for steel. The formula for calculating thermal expansion is as follows: ΔL = L0 * CTE * ΔT In this equation: ΔL denotes the alteration in length of the steel pipe L0 represents the initial length of the steel pipe CTE signifies the coefficient of thermal expansion for steel ΔT indicates the change in temperature For instance, suppose there is a steel pipe with an initial length of 2 meters (L0), and the temperature rises by 50 degrees Celsius (ΔT). The CTE for steel is 12 x 10^-6 per degree Celsius. ΔL = 2m * 12 x 10^-6/°C * 50°C ΔL = 0.00024m/m°C * 50°C ΔL = 0.012m Thus, when the temperature increases by 50 degrees Celsius, the steel pipe will expand by 0.012 meters or 12 millimeters. It is important to bear in mind that this calculation assumes linear expansion, which is applicable for minor temperature variations. However, for larger temperature differences or more intricate pipe systems, a more comprehensive analysis may be necessary to consider factors such as the material properties, geometry, and thermal boundary conditions of the pipes.

Q:How do you calculate the pipe deflection for steel pipes?: To calculate the pipe deflection for steel pipes, you need to consider several factors. The deflection of a pipe is the bending or displacement that occurs when a load is applied to it. Here are the steps to calculate the pipe deflection: 1. Determine the properties of the steel pipe: You need to know the material properties of the steel pipe, including its Young's modulus (E) and its moment of inertia (I). Young's modulus represents the stiffness of the material, while the moment of inertia measures its resistance to bending. 2. Identify the load applied: Determine the type and magnitude of the load that will be applied to the pipe. This could include factors such as internal pressure, external loads, or thermal expansion. 3. Use the appropriate formula: Depending on the type of load and the support conditions of the pipe, you will need to use the appropriate formula to calculate the deflection. For example, if the pipe is simply supported (fixed at both ends), you can use the formula δ = (5 * w * L^4) / (384 * E * I), where δ represents the deflection, w is the load per unit length, L is the length of the pipe, and E and I are the material properties mentioned earlier. 4. Input the values and calculate: Plug in the values of the load, pipe length, and material properties into the formula. By doing so, you can calculate the deflection of the steel pipe. It is important to note that the calculation of pipe deflection is a complex process that requires expertise in structural engineering. Therefore, it is advisable to consult a professional engineer or use specialized software for accurate and reliable results.

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