All cold and hot rolling seamless steel pipe diameter
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 m.t./month
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1、Structure of All cold and hot rolling seamless steel pipe diameter:
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.
2、Main Features of All cold and hot rolling seamless steel pipe diameter:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 All cold and hot rolling seamless steel pipe diameterSpecification：
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 All cold and hot rolling seamless steel pipe diameter:
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.
6、Seamless Pipe ASTM A106/53 Images：
- Q:What are the different types of gaskets used with steel pipes?
- There are several types of gaskets commonly used with steel pipes, including ring type joint (RTJ) gaskets, spiral wound gaskets, and flat gaskets. RTJ gaskets are designed to create a tight seal by compressing between two flanges, while spiral wound gaskets consist of a metal winding and filler material for enhanced sealing properties. Flat gaskets are typically made from rubber or non-metallic materials and are used for lower pressure applications.
- Q:How to make the steel pipe spray paint is not easy to fall off?
- First, clean the surface of the object to be sprayed (pay attention to whether or not to paint off, which is the key):Remove rust stains, oil and so on, when spraying, the nozzle and spray the best distance is 20cm, should be two times forming, first thin spray again, dry, and then spray second times, this is more uniform, and not easy to hang
- Q:What are the different sizes of threads available for steel pipes?
- The different sizes of threads available for steel pipes vary depending on the specific requirements and standards. Common thread sizes for steel pipes include 1/8", 1/4", 3/8", 1/2", 3/4", 1", 1-1/4", 1-1/2", 2", 2-1/2", 3", 3-1/2", 4", 5", 6", 8", 10", and 12". However, these sizes may vary based on the specific industry, country, and application.
- Q:How are steel pipes used in the manufacturing of geothermal systems?
- Steel pipes are used in the manufacturing of geothermal systems for their durability and heat conductivity. They are used to transport fluids, such as water or steam, between the geothermal source and the heat pump or power generator. Steel pipes can withstand high temperatures and pressures, making them ideal for the harsh environment of geothermal systems. Additionally, their corrosion resistance ensures the longevity and efficiency of the system.
- Q:Can steel pipes be used for aboveground applications?
- Yes, steel pipes can be used for aboveground applications. Steel pipes are known for their strength, durability, and resistance to corrosion, which makes them suitable for various aboveground applications. They are commonly used in industries such as construction, oil and gas, water transportation, and infrastructure development. Steel pipes can be used for aboveground applications such as structural supports, handrails, fencing, scaffolding, outdoor pipelines, and various other outdoor structures. Additionally, steel pipes can be coated or painted to provide further protection against weather conditions and enhance their aesthetic appearance. Overall, steel pipes are a versatile choice for aboveground applications due to their reliability and long-lasting performance.
- Q:Can steel pipes be used for gas transmission pipelines?
- Yes, steel pipes can be used for gas transmission pipelines. Steel is a commonly used material for gas pipelines due to its strength, durability, and resistance to corrosion. Additionally, steel pipes can withstand high pressure and temperature conditions, making them suitable for transporting natural gas over long distances.
- Q:What is the difference between steel pipe and ductile iron pipe?
- Steel pipe and ductile iron pipe are commonly utilized in various industries to transport fluids and gases. Nevertheless, there exist notable distinctions between the two materials. One primary difference lies in their composition. Steel pipe primarily consists of iron and carbon, with additional alloying elements to enhance strength and corrosion resistance. Conversely, ductile iron pipe is a form of cast iron that has undergone treatment to improve ductility and toughness. It contains higher levels of carbon and silicon, along with small amounts of other elements like magnesium and copper. Another difference is their strength and durability. Steel pipe is renowned for its high strength, enabling it to endure greater pressures and stresses compared to ductile iron pipe. It also exhibits superior resistance to impact and bending, making it suitable for applications requiring robustness. Ductile iron pipe, although not as strong as steel, still offers good strength and durability, particularly in scenarios involving external damage or heavy loads. Corrosion resistance is another crucial factor. Steel pipe typically exhibits greater resistance to corrosion due to the inclusion of alloying elements such as chromium and nickel. This renders it well-suited for applications prone to high corrosion risks, like pipelines carrying corrosive fluids. Ductile iron pipe, while possessing some corrosion resistance, may necessitate additional protective coatings to enhance its durability in corrosive environments. Installation and maintenance also differ between these two pipe types. Steel pipe is generally lighter and more manageable, facilitating easier installation. It also allows for welding, thereby providing greater construction flexibility. Ductile iron pipe, being a cast iron material, requires more specialized installation techniques such as mechanical joints or flanges. If mishandled, it is also more prone to cracking during installation. In terms of cost, steel pipe typically incurs higher expenses compared to ductile iron pipe. This stems from the higher cost of raw materials and the additional processing involved in steel pipe production. However, it is crucial to consider the overall lifecycle cost, as steel pipe's increased strength and corrosion resistance may result in lower maintenance and replacement expenses in the long run. In conclusion, while both steel pipe and ductile iron pipe have their respective advantages and applications, the choice between the two depends on factors such as strength requirements, corrosion resistance, installation methods, and budget considerations. Careful assessment of these factors will aid in determining the most suitable pipe material for a specific application.
- Q:What are the different methods of pipe protection for steel pipes?
- There are several different methods of pipe protection for steel pipes, each serving a unique purpose and providing varying levels of protection. Some of the common methods include: 1. Coatings: Coatings are applied on the external surface of steel pipes to protect them from corrosion and other environmental factors. Coating materials can include various types of paints, epoxies, or polymers. These coatings create a barrier between the pipe surface and the surrounding environment, preventing the steel from coming into contact with corrosive elements. 2. Wrapping: Wrapping involves using a protective material, such as tape or shrink wrap, to cover the steel pipe. This method provides a physical barrier against moisture, chemicals, and other corrosive substances. Wrapping is often used in combination with coatings to enhance the overall protection. 3. Cathodic Protection: Cathodic protection is an electrochemical method used to protect steel pipes from corrosion. It involves connecting the steel pipe to a sacrificial anode, typically made of zinc or magnesium. The anode corrodes instead of the pipe, which helps to prevent the steel from deteriorating. This method is commonly used for buried or submerged pipelines. 4. Thermal Insulation: Thermal insulation is used to protect steel pipes from extreme temperatures. Insulating materials, such as foam or mineral wool, are applied around the pipe to minimize heat transfer. This method is particularly important for pipes carrying hot fluids or exposed to extreme weather conditions. 5. Vibration Dampening: Vibration can cause stress and fatigue on steel pipes, leading to potential damage. To protect against vibrations, various techniques can be employed, such as using vibration damping pads or installing supports and clamps. These methods help to absorb and dissipate the energy generated by vibrations, reducing the risk of pipe failure. 6. Concrete Coating: For pipelines installed underwater or in highly corrosive environments, concrete coating is often used. A layer of concrete or a cement-based mortar is applied to the steel pipe, providing both mechanical protection and resistance to corrosion. It is important to select the appropriate method of pipe protection based on the specific application, environmental conditions, and desired level of protection. Regular inspection and maintenance are also crucial to ensure the long-term integrity of steel pipes.
- Q:Can steel pipes be used for underground gas distribution?
- Yes, steel pipes can be used for underground gas distribution. Steel pipes are commonly utilized in the gas industry due to their high strength, durability, and resistance to corrosion. They are capable of withstanding the pressure and stress associated with gas distribution systems. Additionally, steel pipes have been proven to be reliable and safe for transporting natural gas underground. However, it is essential to ensure that the steel pipes are properly coated and protected against corrosion to maintain their integrity and longevity. Regular inspections and maintenance are also necessary to identify and address any potential issues that may arise.
- Q:What is the outer diameter and wall thickness of the welded steel pipe of national standard DN250?
- DN250 is the nominal diameter, the outer diameter of the steel pipe is 273mm, the thickness is above 6.5mm.
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All cold and hot rolling seamless steel pipe diameter
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 50 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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