Welded Black ERW Pipe BS Standard for Water Gas Oil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 7000 m.t./month
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1、Structure of Welded Black ERW Pipe BS Standard:
Welded Black ERW Pipe BS Standard is electric resistance welding, the abbreviation for ERW for transporting oil and natural gas vapor liquid objects, can meet the requirements of high and low pressure, the transport in the world with pipe sector accounted for a pivotal position.With sound reputation and high quality , we will offer clients a wonderful business experience.
2、Main Features of Welded Black ERW Pipe BS Standard:
• High manufacturing accuracy
• High strength
• Good visual effect
• Good view and appearance
• Good shape
• Reasonable price
• Small inertia resistance
• Strong heat dissipation ability
3、Welded Black ERW Pipe BS Standard Specification：
Standard | GB, DIN, ASTM ASTM A106-2006, ASTM A53-2007 |
Grade | 10#-45#, 16Mn 10#, 20#, 45#, 16Mn |
Thickness | 1 - 33 mm |
Section Shape | Round |
Outer Diameter | 21 - 610mm |
Place of Origin | Tianjin, 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 Black ERW Pipe BS Standard:
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、 Welded Black ERW Pipe BS Standard Images：
- Q: Material of welded steel pipe
- GB/T14980-1994 (large diameter welded pipe for low pressure fluid delivery). Mainly used to transport water, sewage, gas, air, heating, steam and other low-pressure fluid and other uses. Its representative material is Q235 grade a steel.GB/T12770-1991 (stainless steel welded pipe for mechanical structure). Mainly used in machinery, automobiles, bicycles, furniture, hotels and restaurants, decorations and other mechanical parts and structures. Its representative material 0Cr13, 1Cr17, 00Cr19Ni11, 1Cr18Ni9, 0Cr18Ni11Nb and so on.
- Q: How are steel pipes insulated to prevent noise transmission?
- Steel pipes are typically insulated using specialized materials that are specifically designed to reduce noise transmission. These insulation materials, such as foam or mineral wool, are wrapped around the steel pipes to create a barrier that absorbs sound waves and prevents them from traveling through the pipes. Additionally, the insulation is often covered with a protective layer, such as aluminum or PVC, to further enhance the soundproofing properties and provide mechanical protection to the insulation.
- Q: Can steel pipes be used for underground water lines?
- Yes, steel pipes can be used for underground water lines. Steel pipes are commonly used for water distribution systems as they are durable, strong, and resistant to corrosion. However, it is important to consider the specific conditions and requirements of the project, as other types of pipes such as PVC or HDPE may be more suitable in certain situations. Proper coating and insulation should also be applied to steel pipes to protect against underground environmental factors.
- Q: What are the different types of steel pipe coatings for marine applications?
- There are several types of steel pipe coatings used for marine applications, including fusion-bonded epoxy (FBE) coatings, three-layer polyethylene (3LPE) coatings, three-layer polypropylene (3LPP) coatings, and concrete weight coatings (CWC). These coatings provide protection against corrosion, abrasion, and other environmental factors, ensuring the longevity and durability of the steel pipes in marine environments.
- 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 calculate the pipe pressure drop for steel pipes?
- To calculate the pipe pressure drop for steel pipes, you can use the Darcy-Weisbach equation or the Hazen-Williams equation. The Darcy-Weisbach equation is generally more accurate but requires more information. It takes into account the pipe diameter, length, roughness, fluid flow rate, and fluid properties such as viscosity and density. The equation is as follows: ΔP = (f * L * ρ * V^2) / (2 * D) Where: ΔP is the pressure drop f is the friction factor (which can be determined using Moody's chart or by using empirical equations such as the Colebrook-White equation) L is the pipe length ρ is the fluid density V is the fluid velocity D is the pipe diameter The Hazen-Williams equation is a simplified version that is commonly used for water flow calculations. It is less accurate but easier to use. The equation is as follows: ΔP = K * Q^1.85 / (C^1.85 * d^4.87) Where: ΔP is the pressure drop K is the Hazen-Williams coefficient (which depends on the pipe material and roughness) Q is the flow rate C is the Hazen-Williams roughness coefficient d is the pipe diameter It's important to note that these equations provide an estimate of the pressure drop, and actual conditions may vary due to factors such as fittings, bends, and valves in the pipe system. Additionally, it's crucial to ensure that the units used in the equations are consistent (e.g., using SI units or US customary units).
- Q: What are the different types of gaskets used with steel pipes?
- There are several types of gaskets used with steel pipes, including spiral wound gaskets, ring joint gaskets, and non-metallic gaskets. These gaskets are used to create a tight seal between pipe flanges, preventing leakage of fluids or gases.
- Q: Can steel pipes be used for conveying slurry?
- Indeed, steel pipes possess the capability to serve as a conveyance for slurry. In numerous industries, steel pipes find extensive usage in the transportation of diverse fluid varieties, including slurry. Slurry, a liquid containing suspended solid particles, is effectively accommodated by steel pipes due to their robustness, endurance, and corrosion resistance. The adeptness of steel pipes in managing such mixtures is further enhanced by their ability to handle high pressures and temperatures, rendering them suitable for conveying slurry in arduous applications like mining, dredging, and wastewater treatment. Moreover, the ease of welding steel pipes enables the construction of lengthy pipelines that efficiently facilitate the transport of slurry across considerable distances. Nonetheless, it is vital to consider the specific attributes of the slurry being conveyed, such as particle size, density, and abrasiveness, to ensure the selection and design of pipes that guarantee optimal performance and longevity.
- Q: What are the different types of expansion joints used with steel pipes?
- There are several types of expansion joints used with steel pipes, including bellows expansion joints, slip expansion joints, and hinge expansion joints. Each type is designed to accommodate different types of movement and provide flexibility to the pipeline system.
- Q: How do you prevent leaks in steel pipes?
- One way to prevent leaks in steel pipes is by applying a protective coating or lining to the interior surface of the pipes. This can help to prevent corrosion and deterioration, which are common causes of leaks in steel pipes. Additionally, regular inspection and maintenance of the pipes, including checking for signs of damage or wear, can help to identify and address potential leaks before they become a problem.
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Welded Black ERW Pipe BS Standard for Water Gas Oil
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 30 m.t.
- Supply Capability:
- 7000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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