Oil and Gas Steel Pipe API, ASTM, BS, DIN, GB, JIS
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
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1、Structure of Welded Steel Tube:
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 pipe and professioanl service.
Welded Steel Tube 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 the Welded Steel Tube:
• High manufacturing accuracy
• The higher strength
• The small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Satisfy price
3、Welded Steel Tube 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.
5) Ends:Beveled or square cut,plastic capped,painted.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
4、Packaging & Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
5、FAQ of Welded Steel Tube:
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.
③Why should you choose us?
Choice happens because of our quality and price. Additionally, we can also offer professional products inquiry, products knowledge train (for agents), fast goods delivery, outstanding 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 OK.
6、 Welded Steel Tube Images：
- Q: Can steel pipes be used for underground irrigation systems?
- Yes, steel pipes can be used for underground irrigation systems. Steel pipes are a popular choice for irrigation systems due to their durability, strength, and resistance to corrosion. They can withstand the pressure and stress of being buried underground and can last for many years without the need for frequent maintenance or replacement. Steel pipes also have a smooth interior surface, which allows for efficient water flow and reduces the risk of clogging. Additionally, steel pipes are readily available in various sizes and can be easily customized to meet specific irrigation system requirements. However, it is important to ensure that the steel pipes used for underground irrigation systems are properly coated or treated to prevent corrosion and prolong their lifespan.
- Q: How do you repair damaged steel pipes?
- To fix steel pipes that have been damaged, there are several steps you can take: First, you need to determine the extent of the damage. Assess how severe it is to decide if you can repair it or if you need to replace the entire pipe. Next, isolate and drain the section that is damaged. Shut off the water supply to that part of the pipe and drain any remaining water to prevent further leaks or damage. After that, clean the damaged area by removing any dirt, rust, or debris. You can use a wire brush or sandpaper for this job. Then, prepare the damaged area by roughening the surface with coarse sandpaper. This will help the repair material adhere better to the pipe. Next, choose a repair method based on the size and location of the damage. There are different options available such as using epoxy putty, pipe wraps, or clamps. Once you've chosen a repair method, follow the instructions provided to apply the repair material to the damaged area. Make sure it covers the entire damaged section and extends slightly beyond it for added protection. After applying the repair material, allow it to cure according to the manufacturer's instructions. This will ensure a strong bond and effective sealing of the damaged area. Once the repair has cured, turn the water supply back on and check for any leaks. If there are no signs of leakage, then the repair has been successful. If there are still leaks, you may need to reconsider the repair or seek professional help. Keep in mind that these steps are a general guideline for repairing damaged steel pipes. The specific repair method may vary depending on the size and severity of the damage. In more complex cases or if you're unsure, it's best to consult a professional plumber or pipe repair specialist.
- Q: How do you determine the weight per foot of a steel pipe?
- To ascertain the weight per foot of a steel pipe, there are two primary factors to consider: the pipe's thickness and diameter. Initially, it is necessary to measure the pipe's outer diameter (OD) and wall thickness (WT) using either a caliper or a measuring tape. Upon obtaining these measurements, the inner diameter (ID) can be determined by subtracting twice the wall thickness from the outer diameter (ID = OD - 2 * WT). Subsequently, utilize the formula for the cross-sectional area of the pipe (A = π * (OD^2 - ID^2) / 4) to calculate the cross-sectional area. Lastly, multiply the cross-sectional area by the steel's density, typically around 490 pounds per cubic foot, to derive the weight per foot of the steel pipe. Weight per foot (WPF) = A * 490 It is vital to acknowledge that this calculation provides an approximation of the weight per foot, as manufacturing tolerances and slight variations in steel density may impact the actual weight. Thus, it is advisable to employ this calculation as a reference and consult the manufacturer's specifications for more accurate information.
- Q: What are the different types of steel pipe connections for oil and gas pipelines?
- The different types of steel pipe connections for oil and gas pipelines include threaded connections, welded connections, and flanged connections. Threaded connections involve screwing the pipes together using a threaded end, which ensures a secure fit. Welded connections involve permanently joining the pipes together using welding techniques such as butt welding or socket welding. Flanged connections involve attaching flanges to the ends of the pipes and bolting them together, providing a strong and leak-proof connection.
- Q: How big is the seamless steel tube of DN50?
- DN refers to the nominal diameter, the outer diameter is 60.3mm
- Q: What is the difference between steel pipes and cast iron pipes?
- The main difference between steel pipes and cast iron pipes lies in their composition and properties. Steel pipes are made from an alloy of iron and carbon, which gives them high strength and durability. They are also resistant to corrosion and can withstand high pressure and temperature conditions. On the other hand, cast iron pipes are made from molten iron, which provides them with excellent soundproofing capabilities and resistance to fire. However, cast iron pipes are more prone to corrosion and can be brittle, making them less suitable for high-pressure applications.
- Q: Are steel pipes suitable for use in acidic environments?
- Steel pipes may not be suitable for use in acidic environments because they can corrode and degrade when exposed to acids, leading to potential leaks and structural issues.
- Q: Can steel pipes be used for underground chemical pipelines?
- Yes, steel pipes can be used for underground chemical pipelines. Steel pipes are widely used in various industries, including the chemical industry, due to their durability, strength, and resistance to corrosion. When selecting steel pipes for underground chemical pipelines, it is important to choose the appropriate grade of steel that is resistant to corrosion from the specific chemicals being transported. Additionally, proper coating and lining techniques can further enhance the resistance of steel pipes to chemical corrosion. Regular inspection and maintenance are also necessary to ensure the integrity and safety of the underground chemical pipeline system.
- Q: How are steel pipes used in the manufacturing of solar power systems?
- Steel pipes are commonly used in the manufacturing of solar power systems for various purposes. They are used as structural supports for solar panels, providing stability and durability. Additionally, steel pipes are often utilized for the transportation of fluids such as water or heat transfer fluids, enabling the efficient circulation of these substances within the solar power system.
- Q: Can steel pipes be used in the automotive industry?
- Yes, steel pipes are commonly used in the automotive industry for various applications such as exhaust systems, fuel lines, and structural components. The high strength, durability, and heat resistance of steel make it an ideal material for handling the demands of the automotive environment.
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Oil and Gas Steel Pipe API, ASTM, BS, DIN, GB, JIS
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 20 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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