Seamless Steel Pipe hot Rolled/Cold Rolled/ GRADE B
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
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1、Carbon Seamless steel pipe hot Rolled/Cold Rolled GRADE B:
Seamless pipe is formed by drawing a solid billet over a piercing rod to create the hollow shell. Historically seamless pipe was regarded as withstanding pressure better than other types, and was often more easily available than welded pipe.As the manufacturing process does not include any welding, seamless pipes are perceived to be stronger and more reliable.
2、Main Features of Carbon Seamless steel pipe hot Rolled/Cold Rolled GRADE B:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、Carbon Seamless steel pipe hot Rolled/Cold Rolled GRADE B 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 |
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) Ends:Beveled or square cut,plastic capped,painted.
5) Surface:black lacquered,varnish coating or galvanized.
6) Packing:bundles wrapped with strong steel strip,seaworthy packing.
7)Packaging and Delivery
Packaging Details: | seaworthy package,bundles wrapped with strong steel strip |
Delivery Detail: | 15-30days after received 30%TT |
4、FAQ of Carbon Seamless steel pipe hot Rolled/Cold Rolled GRADE B:
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.
5、Carbon Seamless steel pipe hot Rolled/Cold Rolled GRADE B Images：
- Q: What are the different types of supports used for steel pipes in buildings?
- Some common types of supports used for steel pipes in buildings include pipe hangers, clamps, brackets, and roller supports. These supports are designed to provide stability, prevent sagging or bending, and distribute the weight of the pipes evenly. The choice of support depends on factors such as pipe size, location, and load requirements.
- 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.
- Q: Can steel pipes be used for conveying steam?
- Indeed, steam can be conveyed using steel pipes. Steel pipes find frequent application in steam distribution systems owing to their impressive strength and long-lasting nature. They possess the ability to endure high temperatures and pressures associated with steam transportation without succumbing to deformation or leakage. Furthermore, steel pipes exhibit remarkable heat resistance properties, rendering them suitable for conveying steam at elevated temperatures. Nevertheless, it is crucial to guarantee adequate insulation of the steel pipes in order to avert heat loss and uphold the desired steam temperature throughout the transportation process.
- Q: What are the common applications of galvanized steel pipes?
- Galvanized steel pipes are commonly used in various industries and applications such as plumbing, water supply systems, gas pipelines, electrical conduits, construction projects, fencing, and outdoor structures. The galvanization process adds a protective zinc coating to the steel, making it resistant to corrosion and extending its lifespan, making it ideal for applications requiring durability and longevity.
- Q: Can steel pipes be used for automotive applications?
- Yes, steel pipes can be used for automotive applications. Steel pipes are commonly used for various automotive components such as exhaust systems, fuel lines, and structural frames due to their high strength, durability, and resistance to corrosion. They provide reliable performance and are cost-effective in automotive manufacturing.
- Q: What is the average lifespan of steel pipes?
- The average lifespan of steel pipes varies depending on various factors such as their quality, usage, and maintenance. However, under normal conditions, well-maintained steel pipes can last for several decades or even longer.
- Q: How do you determine the wall thickness of a steel pipe?
- The wall thickness of a steel pipe can be determined by measuring the outer diameter (OD) and the inner diameter (ID) of the pipe, and then subtracting the ID from the OD.
- Q: How do you calculate the pipe pressure drop coefficient for steel pipes?
- To determine the pipe pressure drop coefficient for steel pipes, one can utilize the Darcy-Weisbach equation. This equation establishes a relationship between the pressure drop within a pipe and various factors, including the flow rate, pipe diameter, pipe length, and the properties of the fluid being conveyed. The pressure drop coefficient, also known as the friction factor or the Darcy-Weisbach friction factor, is represented by the symbol f and is dimensionless. It denotes the resistance to flow within the pipe. The value of f is contingent upon the flow regime, which can either be laminar or turbulent. In the case of laminar flow, occurring at low flow rates or with viscous fluids, the pressure drop coefficient can be determined through employment of the Hagen-Poiseuille equation. This equation relates the pressure drop to the fluid viscosity, pipe length, pipe diameter, and flow rate. However, for turbulent flow, arising at higher flow rates, the calculation of the pressure drop coefficient becomes more intricate. It is influenced by the roughness of the pipe wall, which impacts flow resistance. Typically, roughness is quantified using the relative roughness, defined as the ratio of the pipe wall roughness to the pipe diameter. To compute the pressure drop coefficient for turbulent flow in steel pipes, empirical correlations or Moody's diagram can be utilized. Moody's diagram provides a graphical depiction of the friction factor as a function of the Reynolds number and relative roughness. The Reynolds number characterizes the flow regime and is determined using fluid properties, flow rate, and pipe dimensions. By identifying the intersection of the Reynolds number and relative roughness on Moody's diagram, one can ascertain the corresponding pressure drop coefficient. It is crucial to note that the pressure drop coefficient for steel pipes may vary depending on specific pipe dimensions, surface roughness, and fluid properties. Consequently, it is advisable to refer to relevant standards or engineering sources for precise and current values of the pressure drop coefficient for steel pipes in a particular application.
- Q: Are there specifications for scaffold steel pipe with 48mm * 3.2mm?
- Scaffold tubes are our name for materials used to build scaffolding, because most scaffolding uses tubular bamboo or steel tubing. Bamboo and other bamboo is for a long time in the use of the scaffolding tube, but due to lack of safety and durability, now only in rural and urban area construction is lagging behind some of the home building small building has been used. The modernization construction, the most commonly used type of scaffolding pipe is steel pipe, the scaffolding should not only meet the demand of workers, but also to meet the characteristics of scaffolding firm and durable, so tough hard steel is the best choice. The selected steel pipe generally requires smooth surface, no cracks, no bending, no rust, and meet the relevant national standards.
- Q: How do you prevent steel pipes from freezing?
- To avoid freezing of steel pipes, there are several actions that can be taken: 1. Insulate the pipes: Utilize foam insulation sleeves or wrap the pipes with insulation tape. This will help maintain the temperature of the pipes and prevent freezing. 2. Seal any gaps or cracks: Examine the area surrounding the pipes and seal any gaps or cracks using caulk or expanding foam. This will prevent cold air from entering and causing freezing. 3. Install heat cables: Wrap heat cables around the steel pipes to provide a constant source of warmth. These cables can be controlled by a thermostat, ensuring that the pipes remain above freezing temperature. 4. Maintain above-freezing temperature: In regions with severe cold weather, it is recommended to keep the indoor temperature above freezing, even if the property is unoccupied. This will help maintain a suitable temperature for the pipes and prevent freezing. 5. Open cabinets and faucets: During extremely cold weather, open cabinet doors in kitchens and bathrooms to allow warm air to circulate around the pipes. Additionally, allowing faucets to drip slightly can keep water flowing and prevent freezing. 6. Drain the pipes: If the property will be vacant during freezing weather, it is advisable to completely drain the pipes. This can be achieved by shutting off the main water supply and opening all faucets until no water remains. This minimizes the risk of freezing and potential damage. Remember, taking preventive measures is vital in safeguarding steel pipes against freezing. By implementing these actions, you can significantly reduce the chances of frozen pipes and costly repairs.
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Seamless Steel Pipe hot Rolled/Cold Rolled/ GRADE B
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 9000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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