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  4. Definition and details of pipes...

Definition and details of pipes

Definition and details of pipes

What is the pipe?

The tube is a hollow tube with a circular cross-section, which is used for transporting products. Products include fluids, gases, particles, powders, etc. Unlike pipes, the term "pipe" is used for size tubular products that are commonly used in pipes and piping systems. On this website, pipes meeting the following dimensional requirements will be discussed: ASME b36.10 welded Seamless Steel Pipe and ASME b36.19 stainless steel pipe.

Tube or tube?

In the pipe world, the term "pipe" will be used. Pipes are generally identified by nominal pipe size (NPS) and wall thickness is defined by schedule number (SCH).
The tube is usually specified by the outside diameter (O.D.) and wall thickness (WT), expressed by Birmingham wire gauge (BWG) or thousandth of an inch.
Pipe: NPS 1 / 2 Sch 40 has an outside diameter of 21.3mm and a wall thickness of 2.77mm.
Tube: 1 / 2 "x 1,5 od equal to 1,7 mm, wall thickness 1.5 mm.
The main use of pipes is in the small interconnection of the heat exchanger, instrument pipeline, compressor, boiler, and other equipment.



Pipe

The engineering company has a materials engineer to determine the materials to be used in the piping system. Most of the tubes are made of carbon steel (depending on use) and are manufactured according to different ASTM standards.

Carbon steel pipes are strong, malleable, weldable, Machinable, reasonable, durable and almost always cheaper than pipes made of other materials. If the carbon steel pipe can meet the pressure, temperature, corrosion resistance and hygiene requirements, it is a natural choice.
Iron pipes are made of cast iron and ductile iron. It is mainly used for water, natural gas and sewage pipelines.
Plastic pipes can be used to transport corrosive fluids, especially for handling corrosive or harmful gases and dilute inorganic acids.

Other metal and alloy tubes made of copper, lead, nickel, brass, aluminum and various stainless steels can be easily obtained. These materials are relatively expensive and are often selected because of their special corrosion resistance to processing chemicals, good heat transfer or tensile strength at high temperatures. Copper and copper alloy are traditional materials for instrument line, food processing and heat transfer equipment. Stainless steel is being used more and more for these.

Liner tube

Some of the materials described above have been incorporated to form a lined piping system.
For example, carbon steel pipes can be lined with materials that can withstand chemical attack inside, allowing them to carry corrosive fluids. Liners (for example, Teflon ®) can be used after the pipe has been manufactured, so the entire pipe spool can be manufactured before the liner.

Other inner layers can be glass, various plastics, concrete, etc., and coatings such as epoxy, asphalt, Zink, etc. can be used to help protect the inner tube.

Many things are important in determining the right material. The most important ones are pressure, temperature, product type, size, cost, etc.

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Product Categories

  • Steel Pipe
    • Large Diameter Steel Pipe
    • Seamless Steel Pipe
    • LSAW Steel Pipe
    • SSAW Steel Pipe Bell Spigot
    • Galvanized Ground Screw Anchors
    • ERW Steel Pipe
    • Alloy Steel Pipe
    • Forged Steel Pipe
    • SCM440 Steel 42CrMo4 Alloy
    • CRA CLAD Pipe
    • Explosion Welding Pipe
    • API 5CT Casing Tubing OCTG
    • Corrugated Stainless Steel Tubing ASME BPE A270
    • Nuclear Pipe P280GH
    • AMS 5659 15-5PH Stainless Steel Pipe AMS 5862
    • Incoloy Alloy MA956 ODS Steel
  • Fittings, Flanges & Valves
    • Induction Bend Pipes
    • Ellipsoidal Head
    • Pipe Spools Manifolds Piping Bulk Materials
    • Forged Pipe Fitting
    • High Pressure Flange
    • High Pressure Pipe Fitting
    • Aluminum Brass SS Guillemin Coupling
    • Grayloc Clamp Connector G-lok
    • ASME BPE A270 Biopharma Valves
    • Ultra High Pressure Needle Valves
    • Semiconductor Pressure Reducer
    • Semiconductor Valve
    • Conflat Vacuum Fitting Flange
  • Non-ferrous Metal
    • brass bronze copper pipes bars tubes
    • brass bronze copper bushing sleeve valves
  • Ultra High-Temperature Materials
    • Silicon Carbide Ceramic Materials
    • Pure Tungsten Wire
    • Pure Tungsten Sheet
  • Equipment
    • Heat Exchanger
    • Cavitation Jet Gauging Pig
    • Gauging Pig Propipe
    • Chemical Injection Skids
    • Gold Dredger
    • Vibrating Screen Chute Washing Machine
    • Nelson water jacket centrifuge
    • Air Cooling Tower
    • Wastewater Aeration
    • ZX7 Inverter Welding Machine
    • NBC Inverter Welder
    • Power Saver
  • Medical Supplies against COVID-19
    • Synthetic Vinyl Exam Gloves
    • Medical Hand Sanitizer
    • Synguard Nitrile Exam Gloves
    • Medical PVC Gloves
    • Disposable Surgical Mask

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