Seamless Boiler Tube 2

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Loading Port:: China Main Port

Payment Terms:: TT or LC

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Specifications

1.Standard:JIS G3461-2005,JIS G3454-2007,JIS G3456-2004,GB/T 8163-1999,DIN 1629/4...
2.Technique:Hot Rolled

Detail specification:

1,Standard: GB5310-2008

2,Material:a, High quality carbon structural steel grade: 20G, 20MnG,25MnG

b, Alloy steel grade: 15MoG,20MoG,12CrMoG,15CrMoG,12Cr2MoG,12CrMoVG,12Cr3MoVSiTiB

c, Heat resistant steel: 1Cr18Ni9,1Cr18Ni11Nb

3,Outside diameter:hot-rolled pipe is 22~530mm

cold-rolled pipe is: 10~108mm

4, Wall thickness: hot-rolled pipe is 20~70mm

cold-rolled pipe is: 2.0~13.0mm

5, Applications: Low and middle pressure fluid pipeline, boiler, petroleum and natural gas industry, drilling, chemical industry, electric industry, shipbuilding, fertilizer equipment and pipeline, structure, petrochemical, pharmaceutical industry

Mechanical Property:

Grade	Tensile Point	Yield Point	Elongation
ASTM A106 B	≥415	≥240	≥30%
ASTM A106 C	≥485	≥275	≥30%

Chemical Component:

Grade	C	Mn	P	S	Si
ASTM A106 B	≤0.30	0.29-1.06	≤0.035	≤0.035	≥0.10
ASTM A106 C	≤0.35	0.29-1.06	≤0.035	≤0.035	≥0.10

Seamless Boiler Tube Image

Seamless Boiler Tube 2

FAQ of Seamless Tube

①How is the quality of your products?
Our products are manufactured strictly according to national and internaional standard. 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?
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”.

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.

If you have any question, pls feel free to contact us !

Q:What is the average cost of steel pipes?: Several factors, including size, grade, and quantity of steel pipes needed, as well as current market conditions, can cause the average cost of steel pipes to vary. Typically, steel pipes range in cost from $500 to $1500 per ton. Nonetheless, it should be emphasized that this is only a rough estimation, and prices may fluctuate due to factors such as demand, location, and quality. For more precise pricing information based on specific project requirements, it is advisable to contact suppliers or manufacturers.

Q:Are steel pipes affected by UV rays?: Yes, steel pipes can be affected by UV rays. Over time, exposure to UV radiation can cause the steel to degrade and weaken. It can lead to surface oxidation, discoloration, and in extreme cases, structural damage. To prevent this, protective coatings or paint can be applied to shield the steel pipes from UV rays.

Q:What are the different international standards for steel pipes?: There are several international standards for steel pipes that are widely recognized and used in the industry. Some of the key standards include: 1. ASTM A53: This standard covers seamless and welded black and hot-dipped galvanized steel pipes. It is commonly used for low-pressure applications such as water, gas, and steam. 2. ASTM A106: This standard covers seamless carbon steel pipes for high-temperature service. It is widely used in refineries, power plants, and petrochemical industries where high pressure and temperature conditions exist. 3. ASTM A312: This standard covers seamless, welded, and heavily cold worked austenitic stainless steel pipes. It is often used for high-temperature and corrosive environments in industries such as chemical processing, food processing, and pharmaceuticals. 4. API 5L: This standard specifies requirements for the manufacture of two product specification levels (PSL1 and PSL2) of seamless and welded steel pipes for use in pipeline transportation systems in the petroleum and natural gas industries. 5. EN 10216: This European standard covers seamless steel pipes for pressure purposes. It is used in various industries such as power generation, chemical, and oil and gas. 6. JIS G3454: This Japanese standard covers carbon steel pipes for pressure service. It is commonly used in the transportation of water, gas, and oil. 7. DIN 2448: This German standard specifies seamless steel pipes for general purposes. It is widely used in various industrial applications. These are just a few examples of the many international standards that exist for steel pipes. Each standard specifies different requirements for manufacturing, dimensions, mechanical properties, and testing to ensure the quality and performance of the pipes in specific applications. It is important for manufacturers, suppliers, and users to understand and comply with the relevant standards to ensure the safe and reliable use of steel pipes.

Q:Is the steel frame on each floor supporting formwork (floor) called full scaffolding?: The use of scaffold as its height, when the ceiling height below 3.6M, no matter what the ceiling decoration, decorative scaffolding are calculated

Q:Can steel pipes be used for conveying hydraulic fluids?: Yes, steel pipes can be used for conveying hydraulic fluids. Steel pipes have high tensile strength and excellent resistance to high pressure, making them suitable for hydraulic applications. They can withstand the high operating pressures and temperature fluctuations that hydraulic systems often experience. Additionally, steel pipes are durable and have a long lifespan, ensuring reliable and efficient fluid transmission in hydraulic systems. However, it is important to ensure that the steel pipes used are compatible with the specific hydraulic fluid being conveyed to prevent corrosion or degradation of the pipe material.

Q:What is the difference between cast iron and steel pipes?: The main difference between cast iron and steel pipes lies in their composition and manufacturing process. Cast iron pipes are made from a strong, durable material that consists primarily of iron, carbon, and silicon. They are cast in molds and have a thick, heavy wall. Steel pipes, on the other hand, are made from an alloy of iron and carbon, usually with smaller amounts of other elements. They are manufactured using various methods, such as seamless or welded, and can have different wall thicknesses depending on their intended use. In summary, cast iron pipes are heavier and more brittle, while steel pipes are lighter and more flexible, making them suitable for different applications.

Q:How are steel pipes graded?: Steel pipes are graded based on several factors to determine their quality and suitability for specific applications. The grading system for steel pipes typically includes parameters such as the chemical composition, mechanical properties, manufacturing method, and testing standards. 1. Chemical composition: Steel pipes are graded based on the elements present in their composition. This includes the amount of carbon, manganese, phosphorus, sulfur, and other alloying elements. The chemical composition greatly influences the pipe's strength, corrosion resistance, and other properties. 2. Mechanical properties: The mechanical properties of steel pipes are crucial for determining their strength, flexibility, and resistance to pressure and temperature. These properties include tensile strength, yield strength, elongation, hardness, and impact toughness. Pipes with higher mechanical properties are generally graded higher. 3. Manufacturing method: Steel pipes can be manufactured using various methods, such as seamless, welded, or ERW (Electric Resistance Welding). The manufacturing method affects the pipe's integrity, dimensional accuracy, and overall quality. Seamless pipes, for example, are considered to have higher quality due to their uniformity and absence of weld seams. 4. Testing standards: Steel pipes are graded based on their adherence to specific testing standards. These standards ensure that the pipes meet the required quality criteria and are suitable for their intended applications. Common testing standards include ASTM (American Society for Testing and Materials), API (American Petroleum Institute), and EN (European Norms). Based on these factors, steel pipes are often graded using alphanumeric codes or specifications. For instance, pipes used in oil and gas industry may be graded as API 5L (American Petroleum Institute) or pipes used for structural purposes may be graded as ASTM A500 (American Society for Testing and Materials). In conclusion, steel pipes are graded based on their chemical composition, mechanical properties, manufacturing method, and adherence to testing standards. These grades help customers and manufacturers in selecting the appropriate pipes for specific applications, ensuring safety, durability, and efficiency in various industries.

Q:How do you calculate the bending moment of a steel pipe?: The bending moment of a steel pipe can be calculated using the formula M = F * d, where M is the bending moment, F is the applied force, and d is the distance from the neutral axis to the point where the bending moment is being calculated.

Q:How are steel pipes used in the manufacturing of ships?: Steel pipes are used in the manufacturing of ships for various purposes such as constructing the hull, supporting structural components, and facilitating the transportation of fluids and gases within the vessel.

Q:What are the factors to consider when selecting a steel pipe for a specific application?: When selecting a steel pipe for a specific application, there are several factors that need to be considered. These factors include the required strength and durability, the intended use and environment, the size and dimensions needed, the corrosion resistance properties required, the temperature and pressure conditions, and the budget available for the project. By taking all these factors into account, one can choose the most suitable steel pipe that meets the specific requirements of the application.

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