20-323.9mm hot dip galvanized steel pipe size madie in Tianjin
- Ref Price:
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- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 300000 m.t./month
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1、Structure of hot dip galvanized steel pipe size:
steel pipe 1 /1 inch pipe /1.5 inch pipe /10 steep pipe / galvanized pipe /carbon steel pipe /
erw steel pipe building steel / steel pipe and tubing /galvanized pipe tube/square pipe/seamless pipe tube/
rectangular tubing /carbon steel pipe/ corrugated metal steel pipe
2、Main Features of hot dip galvanized steel pipe:
• High manufacturing accuracy
• High strength
• Small inertia resistance
• Strong heat dissipation ability
• Good visual effect
• Reasonable price
3、 Hot dip galvanized steel pipe 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 Hot dip galvanized steel pipe:
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、Hot dip galvanized steel pipe Images：
- Q: Can steel pipes be used for HVAC systems?
- Yes, steel pipes can be used for HVAC systems. Steel pipes are commonly used in HVAC systems for their durability, strength, and resistance to corrosion. They are suitable for transporting hot or cold air, water, or refrigerant throughout the system.
- Q: How do you determine the wall thickness of a steel pipe?
- To determine the wall thickness of a steel pipe, there are a few methods you can use. The most common and accurate method is to measure it using a caliper or micrometer. First, ensure that the pipe is clean and free from any debris or rust. Then, take the caliper or micrometer and gently place it around the circumference of the pipe, making sure it is perpendicular to the surface. Carefully close the jaws of the measuring tool until they are snug against the pipe, but not so tight that they deform the shape. Once the jaws are closed, read the measurement displayed on the tool. This measurement represents the distance between the inner and outer diameter of the pipe, which is equal to the wall thickness. Alternatively, if you don't have access to a caliper or micrometer, you can use a pipe wall thickness gauge. These gauges have a set of pins or rollers that can be inserted into the pipe, providing you with an accurate measurement. Simply insert the pins into the pipe, ensuring they are properly aligned with the wall, and check the reading displayed on the gauge. It's important to note that when measuring the wall thickness of a steel pipe, you should take multiple readings at different points along the pipe to account for any variations. This will provide you with a more accurate average measurement.
- Q: How are steel pipes used in oil and gas industry?
- Steel pipes are extensively used in the oil and gas industry for various purposes such as drilling, production, transportation, and refining. They are primarily used for the extraction of oil and gas from the ground, as well as for the transportation of these resources over long distances. Steel pipes are also utilized in the construction of storage tanks, refineries, and offshore drilling platforms. Their strength, durability, and resistance to corrosion make them ideal for withstanding the harsh conditions encountered in the oil and gas industry.
- Q: What are the different joining methods for steel pipes?
- The different joining methods for steel pipes include welding, threaded connections, flanges, and grooved connections.
- Q: How are steel pipes insulated for thermal efficiency?
- Steel pipes are insulated for thermal efficiency by adding a layer of insulation material around them. This insulation helps to reduce heat transfer through the pipes, preventing energy loss and maintaining the desired temperature.
- Q: Can steel pipes be painted or coated?
- Certainly, steel pipes have the capability to undergo painting or coating procedures. It is a prevalent method employed to safeguard them against corrosion, enhance their visual appeal, or comply with particular industry standards. The process consists of an initial step of diligently cleaning the pipes to eliminate any dirt, grease, or rust. Subsequently, a primer is applied, followed by the desired paint or coating. The selection of paint or coating is contingent upon the envisioned purpose of the pipes. For instance, epoxy coatings are frequently utilized for water or wastewater pipelines, while high-temperature resistant coatings are employed for pipes utilized in industrial environments. In conclusion, the act of painting or coating steel pipes has the potential to augment their resilience and overall performance.
- Q: What are the common methods for inspecting the integrity of steel pipes?
- There are several common methods used to inspect the integrity of steel pipes. These methods are crucial to identify any defects or weaknesses in the pipes that could compromise their structural integrity and potentially lead to failures or leaks. 1. Visual Inspection: This is a basic method where an inspector visually examines the external surface of the steel pipe for any signs of damage, such as corrosion, cracks, or deformities. It is a quick and cost-effective method, but it may not detect internal defects. 2. Ultrasonic Testing (UT): UT is a non-destructive testing method that uses high-frequency sound waves to detect flaws in steel pipes. A transducer sends ultrasonic waves into the pipe, and any reflected waves are analyzed to identify defects like cracks or voids. UT is effective for both internal and external inspections and can provide accurate measurements of defect size and location. 3. Magnetic Particle Inspection (MPI): This method is mainly used to detect surface or near-surface defects in ferromagnetic materials like steel. Magnetic particles are applied to the surface of the pipe, and if there is a defect, the particles will gather around it, creating a visible indication. MPI is particularly useful for detecting cracks and other discontinuities that may not be easily visible to the naked eye. 4. Radiographic Testing (RT): RT involves the use of X-rays or gamma rays to inspect the internal structure of steel pipes. The rays pass through the material, and a radiographic film or a digital detector records the image. This method is effective in detecting internal defects such as cracks, voids, or inclusions. However, it requires proper safety precautions due to the use of radiation. 5. Eddy Current Testing (ECT): ECT is a non-destructive testing method that uses electromagnetic induction to assess the integrity of steel pipes. An alternating current is passed through a probe, creating an electromagnetic field. Any changes in the electrical conductivity or magnetic permeability of the material due to defects are detected by the probe, providing information about the pipe's condition. These are some of the common methods used for inspecting the integrity of steel pipes. Each method has its advantages and limitations, and the choice of inspection method depends on factors such as the type of defect to be detected, access to the pipe, and budget constraints. Regular inspection and maintenance using these methods are crucial to ensure the safe and reliable operation of steel pipe systems.
- Q: What are the different types of steel pipe supports for seismic applications?
- There are several types of steel pipe supports used for seismic applications, including rigid supports, sway braces, and spring hangers. Rigid supports provide fixed support to the piping system, while sway braces are designed to absorb and redirect seismic energy. Spring hangers, on the other hand, are used to isolate and dampen vibrations caused by seismic activity. These different types of supports are selected based on the specific requirements and characteristics of the piping system and the seismic zone in which it is located.
- Q: What are the different types of steel pipe connections for fire sprinkler systems?
- There are several types of steel pipe connections used in fire sprinkler systems including threaded connections, grooved connections, flanged connections, and welded connections.
- Q: What is the fire rating of steel pipes?
- The fire rating of steel pipes can vary depending on factors such as the thickness of the pipe, the type of insulation or fireproofing materials used, and the specific application or building codes. However, steel pipes are generally considered to have good fire resistance properties due to their non-combustible nature and ability to withstand high temperatures.
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20-323.9mm hot dip galvanized steel pipe size madie in Tianjin
- Ref Price:
-
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 25 m.t.
- Supply Capability:
- 300000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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