Seamless steel pipe

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Loading Port:: Tianjin

Payment Terms:: TT or LC

Min Order Qty:: -

Supply Capability:: 20000ton m.t./month

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Product Descriptions

Product name: Seamless steel pipe

Outside Diameter : 1/2" -24"

Walk Thickness: 5-30mm(SCH 10---SCH XXS)

Length: 5.8m, 6m, 11.8m,12m or as customer's requirements

Standard: ASME , ANSI, DIN,GB8162/8163,GB 3087, JIS, API 5L ,EN10216

Material: ASTM A 179 ,A106Gr B/C,API5L Gr.B, X42,X46,X52,X56,X60,X70, API 5CT J55, K55 ,N80 , L80,P110,A335 P91,A335P92,
A335P11 , A335P22,A335P5,A335P9,A691Gr11,34Mn6, 20G,20#, 10#,

Process: Hot rolled and Cold drawn

Package:Painting ,Bevel End ,with plastic cap ,in bundles

Certification: ISO9001,ASME , API 5L, CE,CCS

Application : It is widely used in mechanical processing,Petroleum,chemical, transportation ,gas, water,shipbuilding and construction industry

Third Party Inspection:OMIC,SGS,BV ,TUV

Loading Port: Tianjin xingang /Shanghai/Qingdao

Payment Term: L/C，T/T

Minimum Order : 10 tons or negotiation

Supply Ability:20000 T/Month

Q: What are the standard dimensions for steel pipes?: The standard dimensions for steel pipes vary depending on the application and industry. However, common sizes range from ½ inch to 48 inches in diameter and have various wall thicknesses based on the required strength and pressure rating.

Q: How do steel pipes handle thermal expansion and contraction?: Steel pipes are able to handle thermal expansion and contraction due to their unique properties and design. When exposed to high temperatures, steel pipes expand as the molecules within the material gain energy and move more vigorously. Conversely, when exposed to low temperatures, steel pipes contract as the molecules lose energy and move less vigorously. To accommodate these changes, steel pipes are manufactured with certain features. One such feature is the allowance of clearance between pipe joints. This clearance allows for expansion and contraction without causing stress or deformation in the pipe. Additionally, the use of expansion joints or flexible connectors within the piping system helps to absorb the thermal movements and prevent damage. Furthermore, steel pipes are often installed with proper anchoring and support systems. These systems are designed to allow the pipes to freely expand and contract within a certain range without causing excessive stress or strain on the structure or surrounding components. Anchoring and support systems also help to maintain the overall stability and integrity of the piping system. In some cases, thermal insulation materials are applied to steel pipes to minimize temperature changes and reduce the effects of expansion and contraction. These insulating materials help to maintain a more consistent temperature within the pipe, reducing the magnitude of thermal movements. Overall, steel pipes are well-suited to handle thermal expansion and contraction due to their inherent strength and flexibility. With proper design, installation, and maintenance, steel pipes can effectively accommodate temperature changes without compromising their structural integrity or functionality.

Q: Can steel pipes be used for sewage and wastewater systems?: Yes, steel pipes can be used for sewage and wastewater systems. Steel pipes offer durability, strength, and resistance to corrosion, making them suitable for conveying sewage and wastewater. Additionally, steel pipes can handle high-pressure flows and are often used in larger diameter applications, making them a reliable choice for sewage and wastewater systems.

Q: How are steel pipes coated to prevent external corrosion?: Steel pipes are coated to prevent external corrosion through a process called external coating. This typically involves applying a layer of protective material, such as epoxy or polyethylene, onto the surface of the steel pipe. The coating acts as a barrier, preventing moisture and other corrosive substances from coming into contact with the steel. This helps to prolong the life of the pipe and maintain its structural integrity.

Q: How do you calculate the flow velocity in a steel pipe?: The flow velocity in a steel pipe can be calculated using the equation: velocity = (flow rate) / (cross-sectional area of the pipe).

Q: Which is cheaper, angle iron or steel pipe?: Angle iron and steel pipe, angle iron is cheap.

Q: What is the difference between steel pipes and fiberglass pipes?: The main difference between steel pipes and fiberglass pipes lies in their composition and properties. Steel pipes are made of metal and are known for their strength, durability, and resistance to high temperatures and pressure. They are commonly used in industrial settings and for transporting liquids and gases. On the other hand, fiberglass pipes are made of glass fibers embedded in a resin matrix, providing them with excellent corrosion resistance, lightweight properties, and insulation capabilities. Fiberglass pipes are often used in applications where corrosion is a concern, such as in chemical processing plants or wastewater treatment facilities.

Q: How are steel pipes used in agriculture?: Various purposes in agriculture make steel pipes widely used, with one common application being irrigation systems. These pipes, known for their durability and ability to withstand water pressure, transport water from wells or reservoirs to different areas of farms, enabling efficient water distribution over long distances. Furthermore, steel pipes find utility in agricultural drainage systems. By removing excess water from fields, they prevent waterlogging and ensure proper drainage. Their resistance to corrosion is particularly significant in agricultural settings, where exposure to moisture and various chemicals is common. Moreover, steel pipes serve a vital purpose in the construction of greenhouse structures. They provide structural support for the greenhouse framework and facilitate the installation of irrigation systems and other equipment. The strength and sturdiness of steel pipes enable them to withstand harsh weather conditions, making them an ideal choice for greenhouse construction. Additionally, livestock farming benefits from the use of steel pipes. They are frequently employed in the creation of fences and enclosures for animals, providing a secure and long-lasting barrier. Steel pipes also play a crucial role in the construction of animal shelters and barns. To summarize, steel pipes play a crucial and versatile role in agriculture. They are integral components in irrigation systems, drainage systems, greenhouse construction, and livestock farming. Thanks to their durability, strength, and resistance to corrosion, steel pipes are an excellent choice for a wide range of agricultural applications.

Q: How are steel pipes transported from the manufacturing site to the construction site?: Steel pipes are typically transported from the manufacturing site to the construction site using various methods such as trucks, trains, ships, or even by air. The most common mode of transportation is trucks, which allow for easy and efficient delivery directly to the construction site.

Q: How are steel pipes protected against electromagnetic interference?: Steel pipes can be protected against electromagnetic interference by applying a layer of insulating material around the pipes or by utilizing electromagnetic shielding techniques such as wrapping the pipes with conductive materials. Additionally, grounding the pipes and implementing proper grounding practices can help minimize the impact of electromagnetic interference.

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