Welded Black ERW Steel Pipe 5L elded Black ERW Steel Pipe 5L

Welded Black ERW Steel Pipe 5L elded Black ERW Steel Pipe 5L System 1

Welded Black ERW Steel Pipe 5L elded Black ERW Steel Pipe 5L

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Loading Port:: China Main Port

Payment Terms:: TT or LC

Min Order Qty:: 30 m.t.

Supply Capability:: 7500 m.t./month

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1、Structure of Welded Steel Pipe API SPEC 5CT:

Welded Steel Pipe is to be used for conveying gas, water, and petroleum foroil and natural gas industries. And used for structural steel pies purpose. 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 of Welded Steel Pipe API SPEC 5CT:

• High manufacturing accuracy

• High strength

• Small inertia resistance

• Strong heat dissipation ability

• Good visual effect

• Reasonable price

3、Welded Steel Pipe API SPEC 5CT: 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

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 Steel Pipe API SPEC 5CT:

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 Steel Pipe API SPEC 5CT: Images： ‍‍

Q:Can steel pipes be used for pharmaceutical manufacturing?: Yes, steel pipes can be used for pharmaceutical manufacturing. Steel pipes are commonly used in various industries, including pharmaceutical manufacturing, due to their durability, strength, and resistance to corrosion. In pharmaceutical manufacturing, steel pipes are primarily used for fluid transportation, such as the transfer of chemicals, solvents, and other raw materials. They are also used for the distribution of process water, steam, and other utilities. Stainless steel pipes are particularly preferred in pharmaceutical manufacturing as they are highly resistant to corrosion and can withstand high temperatures and pressures. Moreover, stainless steel pipes have smooth surfaces, which prevent the accumulation of particles and facilitate easy cleaning and sterilization, essential requirements in pharmaceutical production. Overall, steel pipes are a reliable and suitable option for pharmaceutical manufacturing due to their robustness, resistance to corrosion, and ability to meet the stringent cleanliness and hygiene standards of the industry.

Q:How are steel pipes manufactured?: Steel pipes are manufactured through a process called pipe manufacturing or pipe making, which involves various steps such as forming, welding, and finishing. The process starts with the procurement of raw materials, which are typically steel coils or sheets. These coils are then fed through a series of rollers to shape them into a cylindrical form. The edges of the coils are then welded together to create a continuous pipe. After welding, the pipes undergo various finishing processes such as sizing, straightening, and cutting to achieve the desired dimensions and specifications. Finally, the pipes are tested for quality assurance and may undergo additional treatments like galvanization or coating before being ready for use in different industries and applications.

Q:What is the minimum temperature that steel pipes can handle?: The minimum temperature that steel pipes can typically handle is around -45 degrees Celsius (-50 degrees Fahrenheit).

Q:What is the dimensional stability of steel pipes?: The dimensional stability of steel pipes refers to their ability to retain their shape and dimensions under various conditions and external forces. Steel pipes are known for their excellent dimensional stability due to the inherent properties of the material. Steel is a strong and rigid material, which allows it to maintain its shape even under high pressure or changes in temperature. This makes steel pipes highly suitable for applications that require stability and resistance to deformation, such as in plumbing, oil and gas pipelines, and structural supports. In addition to its inherent strength, steel pipes also exhibit dimensional stability due to their manufacturing processes. Steel pipes are typically produced through methods like seamless or welded construction, which ensures their uniformity and consistent dimensions throughout the length of the pipe. This manufacturing precision contributes to the dimensional stability of steel pipes. Moreover, steel pipes are often treated with various protective coatings to enhance their resistance to environmental factors. These coatings, such as galvanization or epoxy coatings, not only protect against corrosion but also help maintain the dimensional stability of the pipes by providing an additional layer of strength and durability. Overall, the dimensional stability of steel pipes is one of the key reasons for their widespread use in different industries. Their ability to maintain their shape and dimensions, even under challenging conditions, ensures reliable and long-lasting performance in various applications.

Q:Can steel pipes be used for underground fire hydrants?: Yes, steel pipes can be used for underground fire hydrants. Steel pipes are commonly used in underground water supply systems, including fire hydrant installations. They are known for their durability, strength, and resistance to corrosion, which makes them suitable for underground applications. Additionally, steel pipes can withstand high water pressures and provide a reliable and long-lasting solution for fire hydrant installations. However, it is essential to ensure that the steel pipes used for underground fire hydrants are properly coated or lined to prevent corrosion and maintain their structural integrity over time. Regular maintenance and inspections should also be conducted to identify and address any potential issues that may arise.

Q:How are steel pipes used in the manufacturing of fire sprinkler systems?: Steel pipes are commonly used in the manufacturing of fire sprinkler systems due to their durability, strength, and resistance to high temperatures. These pipes are used to transport pressurized water or fire retardant throughout the sprinkler system, ensuring quick and effective fire suppression. The steel pipes are installed strategically throughout the building, delivering water to sprinkler heads that are activated when heat is detected. Overall, steel pipes play a crucial role in the safe and efficient operation of fire sprinkler systems, protecting lives and property from the devastating effects of fires.

Q:What are the different strategies for pipe laying using steel pipes?: There are several strategies for pipe laying using steel pipes, each suited for different environments and requirements. Here are some of the commonly used strategies: 1. Open Trench: This is the most traditional and widely used method, where a trench is dug along the desired pipeline route. Steel pipes are then laid in the trench, aligned, and welded together. This method allows for easy access, maintenance, and repair of the pipeline. 2. Direct Pipe: This method is used when there are crossings under obstacles such as rivers or highways. It involves drilling a borehole from one side to the other, while simultaneously laying the steel pipe. The pipe is then pulled through the borehole, creating a continuous pipeline. 3. Horizontal Directional Drilling (HDD): HDD is employed when the pipeline needs to be installed under existing infrastructure or environmentally sensitive areas. A pilot hole is drilled horizontally, and the steel pipe is then pulled through the hole using a reaming tool. This technique minimizes disruption to the surface and reduces environmental impact. 4. Sliplining: Sliplining involves inserting a smaller diameter steel pipe into an existing larger pipe. The smaller pipe is pushed or pulled into the larger pipe, providing a new corrosion-resistant lining. This method is commonly used for rehabilitating deteriorated or damaged pipelines. 5. Microtunneling: Microtunneling is similar to HDD, but it involves a microtunnel boring machine (MTBM) that excavates the soil and installs the steel pipe simultaneously. This method is often used for precision pipe laying, especially in urban areas with limited space. 6. Jacking: Jacking, also known as pipe jacking or pipe ramming, is utilized for installing steel pipes in soil conditions that are not suitable for open trenching. This method involves pushing the steel pipe into the ground using hydraulic jacks or pneumatic rams. It is commonly used for crossing under railways, roads, or buildings. 7. Offshore Pipeline Laying: For subsea applications, steel pipes can be laid using a variety of techniques, such as S-lay, J-lay, or reel-lay. These methods involve deploying the pipeline from a vessel, either vertically or at an inclined angle, and welding the steel pipes together as they are lowered to the seabed. Each of these strategies has its own advantages and considerations, depending on factors such as terrain, environmental impact, existing infrastructure, and project requirements. It is important to carefully evaluate these factors and select the most suitable pipe laying strategy to ensure the safe and efficient installation of steel pipes.

Q:Can steel pipes be used for underground cooling systems?: Yes, steel pipes can be used for underground cooling systems. Steel pipes are commonly used in various applications, including underground cooling systems, due to their durability, strength, and resistance to corrosion. They can effectively handle the high pressure and temperature demands of cooling systems. Additionally, steel pipes can be welded or threaded together, allowing for easy installation and maintenance. However, it is important to ensure that the steel pipes are properly coated or insulated to prevent corrosion and maintain efficiency in heat transfer.

Q:How are steel pipes insulated to prevent heat gain?: Steel pipes are insulated to prevent heat gain by using materials with low thermal conductivity, such as fiberglass or mineral wool, which are wrapped around the pipes. This insulation layer acts as a barrier, reducing the transfer of heat from the surroundings to the pipes, thereby minimizing heat gain. Additionally, a vapor barrier may be applied over the insulation to prevent moisture ingress, which could further impact the insulation's effectiveness.

Q:How are steel pipes protected against microbial corrosion?: Various methods are employed to safeguard steel pipes against microbial corrosion. One widely used technique entails applying coatings onto the surface of the pipes. These coatings act as a shield, effectively blocking the entry of microbes and their corrosive byproducts into the steel, thereby safeguarding it from degradation. Coatings like epoxy, polyethylene, and fusion bonded epoxy are frequently utilized to bestow this protection. Another method involves the use of corrosion inhibitors. These inhibitors are added to the fluid that flows through the pipes in order to impede microbial growth and prevent corrosion. They can be either organic or inorganic compounds that function by either eradicating the microbes or inhibiting their metabolic activity. Furthermore, ensuring proper maintenance and cleaning of the pipes is vital in preventing microbial corrosion. Regular inspections and cleaning routines aid in the elimination of any biofilms or microbial deposits that may have formed on the pipe's surface. This significantly reduces the likelihood of microbial corrosion and prolongs the lifespan of the pipes. In certain cases, cathodic protection may also be employed. This method entails utilizing sacrificial anodes or impressed current systems to supply a protective electrical current to the pipe. This current helps prevent the formation of corrosive microorganisms and shields the steel from corrosion. In summary, a combination of coatings, corrosion inhibitors, regular maintenance, and cathodic protection techniques are employed to protect steel pipes from microbial corrosion. By utilizing these strategies, the longevity and integrity of the pipes are ensured, benefiting various industries such as oil and gas, water supply, and sewage systems.

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