• Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#CNBM System 1
  • Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#CNBM System 2
  • Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#CNBM System 3
Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#CNBM

Seamless HARD Carbon Steel Pipe&Tube For Tunnel And Anchor Rod 45#CNBM

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Loading Port:
Qingdao
Payment Terms:
TT OR LC
Min Order Qty:
10 pc
Supply Capability:
30 pc/month

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Quick Details

Thickness:

1 - 14 mm

Section Shape:

Round

Outer Diameter:

8 - 80 mm

Place of Origin:

HEB,HEB,HEB,China,FORM A,FORM E China (Mainland) Ch China (Mainland)

Secondary Or Not:

Non-secondary

Application:

Hydraulic Pipe

Technique:

Cold Rolled

Certification:

ISO9001:2008

Surface Treatment:

oil

Special Pipe:

Thick Wall Pipe

Alloy Or Not:

Is Alloy

length:

5-8m

usage3:

machine bush parts

usage4:

machine and engine pin

usage5:

tunnel and anchor rod

Test:

eddy current test,Ultrasonic Testing

usage2:

shock absorption bush

usage1:

power transmission machinery

colour:

black

name:

large-diameter hot-expanding seamless steel pipe

Grade:

10#,20#,45#,16Mn,16Mo,16mo3,Q345,ST35,St37,ST37.4,St52,10#-45#,Mo,Q195-Q345,ST35-ST52

Standard:

ANSI A210-1996,ASTM A1020-2002,ASTM A213-2001,ASTM A403-2007,ASTM A789-2001,BS 1387,BS EN10296,DIN 17175,DIN EN 10025,DIN EN 10217-1-2005,GB/T8162,GB/T8163,JIS G3459-2004,JIS G3461-2005,ASTM,BS,DIN,GB,JIS





Packaging & Delivery

Packaging Detail:Marking: as per customer's requests. Painting varnish coating on the pipe. steel trips, woven bag
Delivery Detail:10-45 days or as the customer's request

Seamless Carbon Hard Steel Pipe&Tube For Tunnel And Anchor Rod

Type

Manufacture & Sales  OEM

Process

Seamless, Cold drawn and Cold rolled, finish-rolled

Material

20#,  10#,  45#,  35#  , Q345, 16Mn, 42CrMo

 

size

Outer Diameter

8 –80mm

Wall Thickness

1-14mm

Length

5-10m

Standard

 

DIN st42, st45, st35, st37 and st52, GB 8162 

 

 

Package

 1.  Bundle packing.

 2.  Bevelled end or plain end or warnished as per buyer's requestments.

 3.  Marking: as per customer's requests.

 4.  Painting varnish coating on the pipe.

 5.  Plastic caps at ends. 

Delivery Time

15to20 days or as clients reqestments


Q:What are the different types of pipe coatings used for corrosion protection?
For corrosion protection, various pipe coatings are utilized to safeguard the exterior surface of pipes, ensuring their durability and integrity. Some commonly employed coatings for this purpose are as follows: 1. Fusion-Bonded Epoxy (FBE) Coatings: Renowned for their remarkable adhesion and resistance to chemicals, moisture, and abrasion, FBE coatings are extensively used. These coatings are applied by heating the pipe and subsequently spraying it with epoxy powder, which solidifies upon cooling, forming a protective layer. 2. Polyethylene (PE) Coatings: PE coatings are highly flexible and exhibit excellent resistance against impact and chemicals. Common application methods for these coatings include extrusion and wrapping, providing exceptional protection against water, soil, and other corrosive substances. 3. Polyurethane (PU) Coatings: PU coatings possess commendable resistance to chemicals, moisture, and mechanical damage. Spraying or brush coating methods are typically employed to apply these coatings, which find frequent usage in underground pipelines. 4. Coal-Tar Enamel Coatings: Coal-tar enamel coatings are suitable for safeguarding pipes exposed to highly corrosive environments like marine conditions or underground settings. Application techniques like hot or cold wrapping are commonly employed, granting exceptional resistance against water, acids, and alkalis. 5. Metallic Coatings: Metallic coatings, including zinc, aluminum, or zinc-aluminum alloys, are frequently adopted as sacrificial coatings to protect the underlying steel pipes. These coatings corrode preferentially, sacrificing themselves to shield the pipe from corrosion. 6. Asphalt Coatings: Asphalt coatings serve as robust barriers against moisture, chemicals, and soil. Typically applied using hot or cold wrapping methods, they are commonly utilized for underground pipelines. To determine the appropriate pipe coating for corrosion protection, it is crucial to consider factors such as the specific environment, temperature, and expected lifespan of the pipes.
Q:Can steel pipes be used for conveying sewage and wastewater?
Yes, steel pipes can be used for conveying sewage and wastewater. Steel pipes are commonly used in sewage and wastewater systems due to their durability and strength. They are resistant to corrosion and can withstand high pressure and flow rates. Additionally, steel pipes are able to handle the harsh chemicals and contaminants present in sewage and wastewater without deteriorating or affecting the quality of the conveyed fluids. However, it is important to ensure that the steel pipes are properly coated or lined to prevent any potential corrosion or contamination issues. Regular maintenance and inspections are also necessary to identify and address any potential issues that could arise in the system.
Q:How are steel pipes used in the manufacturing of solar power systems?
Steel pipes are commonly used in the manufacturing of solar power systems for various purposes. They are used to support and secure solar panels, providing a sturdy framework for installation. Steel pipes are also used for the transportation of fluids, such as water or heat transfer fluids, within the solar power system. Additionally, steel pipes are utilized in the construction of solar power plant infrastructure, including the installation of mounting structures and foundations. Overall, steel pipes play a crucial role in the manufacturing and functioning of solar power systems.
Q:Can steel pipes be used for transporting hazardous materials?
Yes, steel pipes can be used for transporting hazardous materials. Steel is highly durable and can withstand the pressure and temperature requirements of hazardous material transportation. Additionally, steel pipes can provide a reliable barrier against leaks and spills, minimizing the risk of environmental contamination. However, it is essential to consider the specific properties and compatibility of the hazardous material being transported to ensure the steel pipes are suitable for the task.
Q:What are low-pressure carbon steel tubes?
Pipe fittingsA pipe fitting is a piece of pipe that is connected to a pipe. According to the connection method can be divided into socket type pipe fittings, threaded fittings, flange fittings and welding pipe four categories. Multipurpose; made of the same material as pipes. Elbow (elbow), flange, three pipe and four pipe (crosshead) and reducer (reducer) etc.. Elbow for pipeline corner; flange for the pipe and pipe interconnected parts, connected to the pipe end, three pipe for three pipe collection; four pipe for four tubes together place; for two pipes of different diameters connected to different diameter pipe.
Q:What are the common standards for coating and lining of steel pipes?
The common standards for coating and lining of steel pipes are outlined by various organizations and regulatory bodies to ensure the durability, corrosion resistance, and overall quality of the pipes. Some of the widely recognized and used standards include: 1. American Society for Testing and Materials (ASTM): ASTM has developed numerous standards for coating and lining of steel pipes, such as ASTM A775/A775M for epoxy-coated reinforcing steel, ASTM A1064/A1064M for metallic-coated steel wire, and ASTM A1057/A1057M for fusion-bonded epoxy-coated steel reinforcement. 2. American Water Works Association (AWWA): AWWA has established several standards for coating and lining of steel pipes used in the water industry. Examples include AWWA C210 for liquid epoxy coating systems for the interior and exterior of steel water pipelines, and AWWA C213 for fusion-bonded epoxy coating for the interior and exterior of steel water pipelines. 3. National Association of Corrosion Engineers (NACE): NACE International develops standards and recommended practices for the corrosion control of steel pipes. NACE SP0169 provides guidelines for selection and application of coatings for underground or submerged steel pipelines, while NACE SP0198 offers recommendations for external coatings of steel pipelines. 4. ISO Standards: The International Organization for Standardization (ISO) has developed various standards related to coating and lining of steel pipes. ISO 21809-1 specifies the requirements for external coatings applied to buried or submerged pipelines, while ISO 21809-2 focuses on the internal coating and lining of such pipelines. These standards cover different aspects of the coating and lining process, including surface preparation, application methods, minimum coating thickness, adhesion, and quality control. Adhering to these standards ensures that steel pipes are properly protected against corrosion, abrasion, and other forms of deterioration, leading to longer service life and enhanced performance in various industries such as oil and gas, water supply, and infrastructure.
Q:How do steel pipes withstand high pressure and temperature?
The inherent properties and construction of steel pipes enable them to endure high pressure and temperature. Steel's strength and durability make it an ideal material for demanding applications. To begin with, steel pipes are crafted from top-notch steel alloys specifically engineered to withstand harsh conditions. These alloys are selected for their high tensile strength, enabling the pipes to withstand the internal pressure exerted by fluids or gases flowing through them. Often, steel used in these pipes is alloyed with elements like chromium, molybdenum, or nickel to enhance its resistance to corrosion and high temperatures. Furthermore, the construction of steel pipes plays a vital role in their ability to withstand high pressure and temperature. Typically, steel pipes are manufactured through seamless or welded processes. Seamless pipes are made by piercing a solid steel billet, resulting in a continuous and uniform pipe without any seams or joints. This seamless construction eradicates weak points and guarantees that the pipe can handle high pressure with no risk of leakage. On the other hand, welded pipes are created by joining two or more pieces of steel together using a welding process. The welds are meticulously inspected and tested to ensure their integrity and strength. Although welded pipes may have seams, they possess equal capability to endure high pressure and temperature when manufactured according to the appropriate standards. Additionally, steel pipes can be further fortified to enhance their resistance to pressure and temperature. For example, pipes used in extremely high-pressure applications may have increased thickness or additional layers of protective coatings. These measures bolster the strength and durability of the pipes, enabling them to withstand even higher pressures and temperatures. In conclusion, steel pipes can endure high pressure and temperature due to the robustness and longevity of the steel alloys used in their construction. The seamless or welded construction of these pipes eliminates weak points and guarantees their ability to handle extreme conditions. Additional reinforcement and protective coatings can be applied to further enhance their resistance to pressure and temperature.
Q:Can steel pipes be used for hydraulic systems?
Yes, steel pipes can be used for hydraulic systems. Steel pipes are commonly used in hydraulic systems due to their high strength, durability, and ability to handle high pressure. They provide excellent resistance to corrosion and can effectively transport hydraulic fluids, making them a suitable choice for various hydraulic applications.
Q:How do you measure the thickness of a steel pipe?
Different methods can be used to measure the thickness of a steel pipe, depending on the required precision and available tools. Here, we present three commonly used approaches: 1. Calipers or Vernier Calipers: These are widely used and straightforward tools for measuring thickness. Place the jaws of the calipers on both sides of the pipe, ensuring they are perpendicular to the surface. Gently close the jaws until they touch the pipe, and then read the measurement on the caliper scale. 2. Ultrasonic Thickness Gauge: This method provides more accurate results and is commonly employed in industrial settings. An ultrasonic thickness gauge emits high-frequency sound waves that penetrate the steel pipe. By measuring the time it takes for the sound waves to bounce back, the gauge calculates the pipe's thickness. Before taking the measurement, ensure that the pipe surface is clean and smooth. 3. Magnetic Thickness Gauge: This method is specifically designed for measuring the thickness of ferrous materials like steel. The gauge incorporates a small magnet that adheres to the pipe surface. By applying a magnetic field, the gauge determines the distance between the magnet and the base plate. This distance corresponds to the thickness of the steel pipe. It is important to consider that each method has its own limitations in terms of accuracy. The choice of measurement technique should be based on the desired precision, availability of tools, and the specific requirements of the application.
Q:How are steel pipes tested for pressure and leakage?
Steel pipes are tested for pressure and leakage through various methods including hydrostatic testing, pneumatic testing, and ultrasonic testing. Hydrostatic testing involves filling the pipe with water and applying pressure to check for any leaks or weaknesses. Pneumatic testing involves using compressed air instead of water. Ultrasonic testing uses high-frequency sound waves to detect any flaws or defects in the pipe material. These testing methods ensure that steel pipes meet the required standards for pressure and leakage resistance.

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