Longitudinal Submerged Arc Welded Pipe Q235/Q345
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 40 m.t.
- Supply Capability:
- 12000 m.t./month
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OKorder Financial Service
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1、Structure of Longitudinal Submerged Arc Welded Pipe Q235/Q345:
Welded Steel Tube is widely applied to line pipe and casing and tubing in oil transportation and casing field, and it is used in Low,high pressure liquid and gassy transportation and it is also good Structure pipe (for furniture, window, door, building , bridge, mechanical etc).
It is formed by drawing a solid billet over a piercing rod to create the hollow shell. We are company that have many years experience and professional manager team and engineer team and sales team, sure we will provide you high quality of welded pipe and professioanl service.
2、Main Features of Longitudinal Submerged Arc Welded Pipe Q235/Q345:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Longitudinal Submerged Arc Welded Pipe Q235/Q345 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 |
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.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Longitudinal Submerged Arc Welded Pipe Q235/Q345:
①How is the quality of your products?
Our products are strictly in accordance with international and domestic standard. We test on every pipe before delivery. Any quality certification or testing report you want to see, please tell us.
Guaranteed: If products’ quality is not in accordance with description as we provide or the promise before you place order, we promise 100% refund.
②How about the price?
Yes, we are factory and be capable of offering you the lowest price. One of our policy is that “ to save time and be absolutely honest with our business relationship, we quote as low as possible for every client, and discount can be given according to the quantity”, if you are interested in bargain and dissatisfy our factory price, just don’t waste your time. Our quotation is professional.
6、 Longitudinal Submerged Arc Welded Pipe Q235/Q345 Images：
- Q:How are steel pipes inspected for compliance with industry standards?
- Steel pipes are inspected for compliance with industry standards through various methods such as visual examination, non-destructive testing techniques like ultrasonic testing, magnetic particle inspection, and radiography. These inspections help ensure that the pipes meet required specifications and quality standards, ensuring their integrity and safety for use in various industries.
- Q:Can steel pipes be used for chemical refineries?
- Yes, steel pipes can be used for chemical refineries. Steel pipes are commonly used in chemical refineries due to their high strength, durability, and resistance to corrosion. The harsh environment of a chemical refinery, which involves exposure to corrosive chemicals and extreme temperatures, requires materials that can withstand these conditions. Steel pipes are able to handle these challenges and are often chosen for their ability to transport various fluids and gases safely and efficiently. Additionally, steel pipes can be welded, which allows for easy installation and maintenance in complex refinery systems. Overall, steel pipes are a suitable choice for chemical refineries due to their robustness, corrosion resistance, and compatibility with the demanding conditions of this industry.
- Q:What are the different types of hangers used for supporting steel pipes?
- There are several different types of hangers used for supporting steel pipes, each with its own unique design and purpose. Some of the most common types include: 1. Clevis Hangers: These hangers consist of a U-shaped loop that is attached to a support structure using a threaded rod. The pipe is then placed inside the loop and secured in place with a bolt. Clevis hangers are often used in vertical pipe runs and provide excellent support and stability. 2. Split Ring Hangers: These hangers are designed with a split ring that wraps around the pipe and is attached to a support structure using a threaded rod. Split ring hangers allow for easy installation and adjustment, making them suitable for various pipe sizes and applications. 3. Pipe Clamps: Pipe clamps are simple and versatile hangers that consist of a metal clamp that wraps around the pipe and is secured to a support structure using screws or bolts. These hangers are available in various designs, such as one-hole, two-hole, or cushioned clamps, to accommodate different pipe sizes and provide stability. 4. Beam Clamps: Beam clamps are specifically designed to attach to overhead support beams or structures. They typically feature a clamp that wraps around the beam and a threaded rod or bolt that attaches to the pipe. Beam clamps are suitable for supporting horizontal pipe runs and are commonly used in industrial and commercial settings. 5. Roller Hangers: Roller hangers are used when there is a need for pipe movement due to thermal expansion or contraction. These hangers consist of a roller that allows the pipe to move freely while still providing support. Roller hangers are commonly used in long pipe runs or where there is a significant temperature variation. 6. Spring Hangers: Spring hangers are designed to support pipes and absorb vibrations or shocks. They consist of a spring element that is attached to a support structure and a rod or rod assembly that supports the pipe. Spring hangers are often used in applications where there is a need for noise reduction or to prevent damage caused by vibrations. These are just a few examples of the different types of hangers used for supporting steel pipes. The choice of hanger depends on factors such as pipe size, weight, location, and specific requirements of the installation. Consulting with a professional or engineer is recommended to ensure the appropriate hangers are selected for each specific application.
- Q:What are the different methods of transporting steel pipes?
- There are several methods of transporting steel pipes, including by truck, train, ship, and pipeline.
- Q:What are the different types of steel pipes available?
- In the market, one can find a variety of steel pipes catering to specific needs in different applications. Some commonly used steel pipes include: 1. Carbon Steel Pipes: These pipes, primarily composed of carbon, are the most prevalent type. They are utilized in a wide range of applications such as fluid and gas transportation, structural purposes, and plumbing. 2. Stainless Steel Pipes: These pipes are manufactured using an alloy that contains a substantial amount of chromium, providing excellent resistance to corrosion. Industries like oil and gas, chemical processing, and food processing rely heavily on stainless steel pipes. 3. Alloy Steel Pipes: These pipes, as the name suggests, consist of an alloy containing a combination of various elements like chromium, molybdenum, and nickel. They offer improved strength, durability, and resistance to high temperatures, making them suitable for applications in power plants, refineries, and petrochemical industries. 4. Galvanized Steel Pipes: To safeguard against corrosion, these pipes are coated with a layer of zinc. Due to their exceptional rust resistance and long-lasting durability, galvanized steel pipes find common usage in plumbing systems, water supply lines, and outdoor structures. 5. Seamless Steel Pipes: These pipes are manufactured without any welded seams and are often preferred for applications requiring high pressure, high temperature, or a smooth inner surface. Industries such as oil and gas, automotive, and aerospace frequently utilize seamless steel pipes. 6. Welded Steel Pipes: These pipes are created by welding two steel pieces together. They are available in various shapes and sizes and commonly used in construction, water supply systems, and general engineering applications. 7. ERW (Electric Resistance Welded) Steel Pipes: These pipes are produced by passing a high-frequency electric current through a steel strip and then welding the edges together. ERW steel pipes find wide usage in oil and gas transportation, structural applications, and fencing. 8. LSAW (Longitudinal Submerged Arc Welded) Steel Pipes: These pipes are formed by bending and welding a steel plate into a cylindrical shape. LSAW steel pipes are commonly employed in large-scale infrastructure projects such as oil and gas pipelines and bridge construction. To summarize, the market offers a variety of steel pipes, including carbon steel, stainless steel, alloy steel, galvanized steel, seamless steel, welded steel, ERW steel, and LSAW steel pipes. The choice of steel pipe type depends on specific application requirements, such as resistance to corrosion, strength, temperature, and pressure resistance.
- 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:How seamless steel tube is formed?
- Seamless steel tubes are formed by cold drawing and hot rolling.
- Q:How are steel pipes coated for insulation purposes?
- Steel pipes are commonly coated for insulation purposes through a process called external coating. This involves applying a layer of insulating material, such as polyethylene or epoxy, onto the surface of the steel pipe. The coating is carefully applied to ensure a uniform and continuous layer, which helps to prevent heat transfer and protect the pipe from corrosion.
- Q:How to make the steel pipe spray paint is not easy to fall off?
- You're not usually advised to do it yourself, because you can't do it yourself. General powder coating, spray before the treatment is very strict, to be high temperature baking, and their spraying are dry paint, it does not add hardening agent, that is, the surface dry, but not hard, not wear-resistant. So don't scrape off the paint, or you'll look good after spraying, and it will be ugly in a few days,.If you really like to look good, you can buy some stickers back to paste, without affecting the appearance..
- Q:How are steel pipes cleaned and maintained?
- Steel pipes are commonly cleaned and maintained through a variety of methods. Firstly, they are often cleaned using chemical solvents or detergents to remove any dirt, debris, or rust. This process is followed by rinsing the pipes thoroughly with water. Additionally, periodic inspections are conducted to identify any signs of corrosion or damage, which are then repaired promptly to prevent further deterioration. Lastly, applying protective coatings or paints on the pipes can help to enhance their longevity and prevent future corrosion.
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Longitudinal Submerged Arc Welded Pipe Q235/Q345
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 40 m.t.
- Supply Capability:
- 12000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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