GOOD QUALITY FACTORY GI PIPE PRICE LIST
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
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1、Structure of GI PIPE PRICE LIST FROM China top 500 enterprise:
Hot Dipped Galvanized Steel Pipe,Steel-plastic Compound Pipe,ERW Steel Pipe,Square And Rectangular Steel Pipe
2、Main Features of GI PIPE PRICE LIST FROM China top 500 enterprise:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、GI PIPE PRICE LIST FROM China top 500 enterpriseSpecification：
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 GI PIPE PRICE LIST FROM China top 500 enterprise:
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、GI PIPE PRICE LIST FROM China top 500 enterpriseImages：
- Q:How do you determine the required wall thickness for steel pipes?
- The determination of the necessary wall thickness for steel pipes involves the consideration of multiple factors and calculations. One of the main factors to be taken into account is the pressure to which the pipe will be exposed. As the pressure increases, a thicker wall is required to guarantee that the pipe can endure the internal forces. The material strength of the steel used for the pipe is also a significant factor. Different steel grades possess varying tensile strengths, which directly impact the required wall thickness. Tensile strength refers to the maximum stress a material can withstand before failing, making it crucial to select a steel grade capable of withstanding the expected pressure. Furthermore, the pipe's diameter is influential in determining the necessary wall thickness. Pipes with larger diameters typically necessitate thicker walls to maintain their structural integrity and prevent deformation under pressure. Engineers employ industry standards and formulas to calculate the required wall thickness. The American Society of Mechanical Engineers (ASME) B31 code is the most widely used standard, offering guidelines for designing pressure piping systems. The ASME code integrates safety margins, material properties, and pressure ratings to determine the appropriate wall thickness. Other factors, such as temperature, corrosion, and external loads, can also influence the necessary wall thickness. For instance, applications involving high temperatures may require thicker walls to prevent buckling or softening of the pipe. In conclusion, the determination of the required wall thickness for steel pipes involves the consideration of pressure, material strength, diameter, temperature, and other external forces. Engineers rely on industry standards and calculations to ensure the pipe's ability to safely withstand the intended operating conditions.
- Q:How do steel pipes handle water erosion?
- Steel pipes are highly resistant to water erosion due to their inherent strength and durability. The smooth surface of steel pipes minimizes friction and turbulence, reducing the likelihood of erosion. Additionally, steel pipes can be coated with protective layers, such as galvanization or epoxy, that further enhance their resistance to water erosion.
- Q:How are steel pipes installed underground?
- Steel pipes are installed underground through a process called trenchless installation or open trench excavation. In trenchless installation, a drilling machine creates a tunnel underground, and the steel pipes are then inserted into the tunnel using a technique called pipe jacking or horizontal directional drilling. In open trench excavation, a trench is dug, and the steel pipes are laid in the trench before being covered with backfill material.
- Q:How long is the seamless tube?
- Generally finished seamless steel tubes are less than twelve meters, mainly for the convenience of shipment.In times of rolling (processing), the steel pipe can reach 80 meters or longer.
- Q:Are steel pipes suitable for high-pressure applications?
- Indeed, steel pipes prove to be an appropriate choice when it comes to high-pressure applications. Renowned for their robustness and endurance, steel pipes are exceptionally well-suited for managing high-pressure scenarios. They possess the remarkable ability to endure the intense internal pressure exerted by fluids or gases without buckling or rupturing. Thanks to their high tensile strength, steel pipes effectively combat the forces that arise in high-pressure environments, thereby ensuring the security and dependability of the piping system. Furthermore, steel pipes can be manufactured with thicker walls, further bolstering their capacity to withstand elevated pressures. Consequently, steel pipes find extensive utilization in various industries, such as oil and gas, petrochemical, power generation, and water distribution, where high-pressure applications are customary.
- Q:How are steel pipes coated to prevent corrosion?
- To prevent corrosion, steel pipes can be coated using different methods and materials. One common approach is to apply a protective layer of paint or epoxy on the pipe's surface. This coating acts as a barrier between the steel and the external environment, preventing direct contact with moisture and corrosive substances. Another technique involves galvanization, where the steel pipes are coated with a layer of zinc. Zinc is highly resistant to corrosion and acts as a sacrificial anode. In case of any damage to the coating, the zinc corrodes instead of the steel, ensuring the steel remains intact and free from corrosion. Polyethylene or polypropylene materials can also be fused onto the steel surface, creating a strong bond that provides excellent resistance against corrosion. This method, known as fusion bonding, is commonly used in offshore and underground pipelines. Moreover, a layer of corrosion-resistant alloy can be applied to the steel pipe. This alloy is typically a combination of metals such as nickel, chromium, and molybdenum, which offer superior protection against corrosion in harsh environments. The choice of coating method depends on factors like operating conditions, the presence of corrosive substances, and the expected lifespan of the steel pipes. By effectively applying these coatings, steel pipes can be safeguarded against corrosion, extending their durability and ensuring the integrity of the infrastructure they are used in.
- Q:Can steel pipes be used for the construction of railway tracks?
- No, steel pipes cannot be used for the construction of railway tracks. Railway tracks require specially designed rails made of steel, which are laid on sleepers or ties and secured with fasteners to provide stability and support for trains. Steel pipes do not possess the necessary shape or strength required for this purpose.
- Q:How do steel pipes resist corrosion?
- Steel pipes resist corrosion through a process called passivation, where a protective layer of chromium oxide forms on the surface of the steel, preventing direct contact with corrosive elements and slowing down the oxidation process. Additionally, steel pipes can be coated with protective layers such as zinc or epoxy to provide an extra barrier against corrosion.
- Q:How do you inspect steel pipes for defects?
- There are several methods to inspect steel pipes for defects. One common approach is visual inspection, where trained professionals examine the surface of the pipes for visible defects such as cracks, corrosion, or deformities. Another method is ultrasonic testing, which involves using high-frequency sound waves to detect internal defects like wall thickness variations or cracks. Magnetic particle inspection is also commonly used, where the pipes are magnetized, and magnetic particles are applied to reveal surface defects. X-ray and radiographic inspections can be employed to detect internal defects as well. Ultimately, a combination of these methods is often utilized to ensure thorough inspection and identification of any defects in steel pipes.
- Q:Can steel pipes be used for steam systems?
- Yes, steel pipes can be used for steam systems. Steel pipes are commonly used in steam systems due to their high strength and heat resistance properties. They are capable of withstanding high temperatures and pressures, making them suitable for transporting steam safely and efficiently.
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GOOD QUALITY FACTORY GI PIPE PRICE LIST
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 10000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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