• Oil Water Gas Transport   Welded Oil Steel Pipe System 1
  • Oil Water Gas Transport   Welded Oil Steel Pipe System 2
  • Oil Water Gas Transport   Welded Oil Steel Pipe System 3
Oil Water Gas Transport   Welded Oil Steel Pipe

Oil Water Gas Transport Welded Oil Steel Pipe

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Loading Port:
Tianjin
Payment Terms:
TT OR LC
Min Order Qty:
30 m.t.
Supply Capability:
8000 m.t./month

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 1、Welded Oil Steel Pipe GB9711.1:

GB9711.1 Oil steel pipe is electric resistance welding, the abbreviation for Oil 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.

 

2、‍‍Main Features of Welded Black Oil Steel Pipe GB9711.1:

• High manufacturing accuracy

• High strength

• Good visual effect

• Reasonable price  

• Small inertia resistance

• Strong heat dissipation ability

 

3、Welded Black Oil Steel Pipe Specification GB9711.1:

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 Oil Steel Pipe GB9711.1: 

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 Oil Steel Pipe Images GB9711.1: ‍‍

 

 

Oil Water Gas Transport   Welded Oil Steel Pipe

Oil Water Gas Transport   Welded Oil Steel Pipe

Q: Can steel pipes be bent or curved?
Yes, steel pipes can be bent or curved using specialized equipment and techniques such as pipe bending machines or hydraulic bending.
Q: Seamless steel pipe is how to do it?
1. seamless steel tubes for structural purposes (GB/T8162-1999) are seamless steel tubes for general structural and mechanical construction.2. seamless steel pipe for fluid transportation (GB/T8163-1999) is used to transport water, oil, gas and other fluids of general seamless steel pipe.3. seamless steel tubes for low and medium pressure boiler (GB3087-1999) is used in the manufacture of various structures of low and medium pressure boiler superheated steam pipe, superheated steam pipe, boiling water pipe and boiler flue tube, pipe and brick arch tubes of high quality carbon steel hot rolling and cold drawing (rolling) seamless steel tube.4. high pressure boiler seamless steel tube (GB5310-1995) is used for the manufacture of high-pressure and above the pressure of water boiler heating surface for high-quality carbon steel, alloy steel and stainless steel heat-resistant seamless steel pipe.5. high pressure seamless steel tube (GB6479-2000) for chemical fertilizer equipment is a kind of high quality carbon structural steel and alloy steel seamless pipe for chemical equipment and pipes of working temperature of -40~400 DEG C and working pressure of 10~30Ma.6. seamless steel tubes for petroleum cracking (GB9948-88) are tubes, heat exchangers and seamless steel tubes used in refineries.
Q: How are steel pipes cleaned and maintained?
Steel pipes are cleaned and maintained through various methods. The process typically involves removing any debris or rust from the pipes using wire brushes or sandblasting. After cleaning, a protective coating is applied to prevent corrosion. Regular inspections and maintenance checks are also conducted to identify any potential issues such as leaks or weak points, ensuring the pipes remain in optimal condition.
Q: How are steel pipes tested for quality control?
Steel pipes are tested for quality control through various methods such as visual inspection, dimensional checks, non-destructive testing, and mechanical testing. These tests ensure that the pipes meet the required standards and specifications, ensuring their structural integrity and performance.
Q: How do you calculate the flow velocity in a steel pipe?
In order to determine the flow velocity in a steel pipe, one must take into account the principles of fluid mechanics and apply relevant equations. The Bernoulli equation is the most commonly used equation for this purpose, as it establishes a relationship between the pressure, velocity, and elevation of a fluid. The first step is to ascertain the volumetric flow rate (Q) of the fluid that passes through the pipe. This can be achieved either by measuring the mass flow rate (m) or by directly measuring the volumetric flow rate using a flow meter. Once the volumetric flow rate is obtained, the flow velocity (V) can be calculated. To calculate the flow velocity (V), divide the volumetric flow rate (Q) by the cross-sectional area (A) of the pipe. The cross-sectional area of the pipe can be determined using the formula A = πr^2, where r represents the radius of the pipe. Hence, the formula to calculate the flow velocity (V) in a steel pipe is: V = Q / A It is important to note that this calculation assumes an ideal flow condition and does not take into account any frictional losses or other factors that could impact the flow. In real-world scenarios, it is crucial to consider additional factors such as pipe roughness, fluid viscosity, and pipe diameter to obtain a more accurate estimation of the flow velocity.
Q: What are the different types of steel pipe end connections?
Some of the different types of steel pipe end connections include threaded connections, socket weld connections, butt weld connections, and flanged connections.
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 made?
Steel pipes are made through a process called seamless or welded pipe manufacturing. In seamless manufacturing, a solid steel billet is heated and pierced to form a hollow tube. It is then stretched and rolled to the desired diameter and wall thickness. Welded pipes are made by bending and welding a steel plate or strip to form a cylindrical shape. The welded seam is then heat-treated to ensure its strength and durability. Both processes involve subsequent finishing and inspection to meet the required specifications and quality standards.
Q: What is the maximum temperature that steel pipes can handle?
The maximum temperature that steel pipes can handle depends on the specific grade of steel used. However, in general, stainless steel pipes can withstand temperatures up to around 1200°C (2192°F), while carbon steel pipes can typically handle temperatures up to 427°C (800°F) without significant loss of strength.
Q: Can steel pipes be used for heat transfer applications?
Yes, steel pipes can be used for heat transfer applications. Steel is a good conductor of heat, which makes it an excellent choice for transferring thermal energy from one place to another. Steel pipes are commonly used in various heat transfer systems such as heating, ventilation, and air conditioning (HVAC) systems, industrial process heating, and steam distribution networks. The high thermal conductivity of steel allows for efficient heat transfer, ensuring that heat is effectively transported and distributed throughout the system. Additionally, steel pipes have good strength and durability, making them suitable for withstanding high temperatures and pressures often encountered in heat transfer applications. Overall, steel pipes are a reliable and widely used solution for heat transfer purposes.

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