Seamless steel pipe a variety of high quality q235
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 40 m.t.
- Supply Capability:
- 15000 m.t./month
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1、Structure of
Seamless steel pipe a variety of high quality q235
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 ofSeamless steel pipe a variety of high quality
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Seamless steel pipe a variety of high quality q235 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 Seamless steel pipe a variety of high quality q235
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 steel pipe a variety of high quality Images：
- 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 are steel pipes tested for quality?
- Steel pipes are tested for quality through various methods, including visual inspection, non-destructive testing (NDT) techniques such as ultrasonic testing, magnetic particle testing, and radiographic testing. Additionally, mechanical properties like tensile strength, hardness, and toughness are evaluated to ensure the pipes meet the required specifications. Various standards and guidelines are followed to ensure the quality and safety of steel pipes.
- Q: What is the compressive strength of steel pipes?
- The compressive strength of steel pipes can vary depending on various factors such as the grade of steel, the manufacturing process, and the dimensions of the pipes. However, on average, steel pipes have a compressive strength ranging from 250 MPa (megapascals) to 650 MPa. The higher the grade of steel used in the pipe, the higher its compressive strength tends to be. Additionally, larger diameter pipes usually have a higher compressive strength compared to smaller diameter pipes. It is important to note that the compressive strength of steel pipes can also be influenced by factors such as temperature, corrosion, and external loads. Therefore, it is crucial to consult the specific standards, specifications, or manufacturer's data for accurate and detailed information on the compressive strength of a particular steel pipe.
- Q: How do you calculate the pipe pressure drop for steel pipes?
- To determine the pressure drop in steel pipes, there are two equations that can be utilized: the Darcy-Weisbach equation and the Hazen-Williams equation. The Darcy-Weisbach equation, although more precise, necessitates a greater amount of information. It takes into consideration the diameter, length, roughness, fluid flow rate, as well as fluid properties like viscosity and density. The equation is expressed as: To calculate the pressure drop (ΔP), the following formula can be used: (f * L * ρ * V^2) / (2 * D) In this formula: - ΔP denotes the pressure drop - f represents the friction factor (which can be determined using Moody's chart or empirical equations such as the Colebrook-White equation) - L signifies the length of the pipe - ρ denotes the fluid density - V represents the fluid velocity - D signifies the pipe diameter On the other hand, the Hazen-Williams equation is a simplified version commonly employed for water flow calculations. Although less accurate, it is more user-friendly. The equation is expressed as: To calculate the pressure drop (ΔP), the following formula can be used: K * Q^1.85 / (C^1.85 * d^4.87) In this formula: - ΔP denotes the pressure drop - K signifies the Hazen-Williams coefficient (which relies on the pipe material and roughness) - Q represents the flow rate - C signifies the Hazen-Williams roughness coefficient - d denotes the pipe diameter It is crucial to note that these equations provide estimations of the pressure drop, and actual conditions may vary due to factors such as fittings, bends, and valves in the pipe system. Furthermore, consistency in unit usage (e.g., SI units or US customary units) is of utmost importance when employing these equations.
- Q: What are the common standards and specifications for steel pipes?
- The common standards and specifications for steel pipes include ASTM A53, ASTM A106, API 5L, and ISO 3183. These standards outline the requirements for the manufacturing, dimensions, and mechanical properties of steel pipes used in various industries such as oil and gas, construction, and transportation. Additionally, specific applications may have their own standards and specifications that need to be met for quality and safety purposes.
- Q: Are steel pipes resistant to chemicals and corrosion?
- Yes, steel pipes are generally resistant to chemicals and corrosion. Steel pipes are often coated with protective layers such as zinc or epoxy to enhance their resistance to corrosion. These coatings act as a barrier, preventing chemicals from coming into direct contact with the steel and reducing the risk of corrosion. Additionally, steel itself has inherent corrosion-resistant properties, making it a suitable material for many applications where exposure to chemicals and corrosive elements is common. However, it is important to note that the level of resistance may vary depending on the specific type of steel, the coating used, and the specific chemicals or corrosive substances involved. Therefore, it is advisable to consult with experts and consider the specific requirements of the intended application to ensure the appropriate choice of steel and protective measures are taken to maximize resistance to chemicals and corrosion.
- Q: Can steel pipes be used for the construction of dams?
- Yes, steel pipes can be used for the construction of dams. Steel pipes are commonly used in dam construction for various purposes such as intake and outlet structures, penstocks, and piping systems for transporting water. Steel pipes offer high strength, durability, and resistance to corrosion, making them suitable for withstanding the water pressure and environmental conditions in dam projects.
- Q: How do steel pipes perform in high-temperature applications?
- Steel pipes perform well in high-temperature applications due to their excellent heat resistance and durability. They can withstand elevated temperatures without deforming or losing their structural integrity, making them ideal for transporting hot fluids or gases in industrial processes. Additionally, steel pipes have low thermal expansion, ensuring their dimensional stability under extreme heat conditions.
- Q: Are steel pipes suitable for food processing facilities?
- Yes, steel pipes are suitable for food processing facilities. Steel pipes are widely used in the food processing industry due to their numerous benefits. Firstly, steel pipes are highly durable and can withstand high temperatures, pressures, and corrosive substances often used in food processing. This ensures the pipes will not degrade or contaminate the food products. Additionally, steel pipes are easy to clean and maintain, making them ideal for maintaining high levels of hygiene required in food processing facilities. Steel pipes also have excellent resistance to bacteria growth, further ensuring the safety and quality of the food being processed. Furthermore, steel pipes are cost-effective and have a long lifespan, making them a reliable and economical choice for food processing facilities. Overall, steel pipes are a suitable and preferred option for food processing facilities due to their durability, cleanliness, and resistance to contamination.
- Q: Can steel pipes be used for heat transfer applications?
- Heat transfer applications can utilize steel pipes as they are a great option for transferring thermal energy from one location to another. Steel is known for its excellent heat conductivity, making it a popular choice in heating, ventilation, and air conditioning (HVAC) systems, industrial process heating, and steam distribution networks. The high thermal conductivity of steel ensures efficient heat transfer, effectively distributing heat throughout the system. Moreover, steel pipes possess remarkable strength and durability, enabling them to withstand high temperatures and pressures commonly encountered in heat transfer applications. In summary, steel pipes are a dependable and extensively employed solution for heat transfer purposes.
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Seamless steel pipe a variety of high quality q235
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 40 m.t.
- Supply Capability:
- 15000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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