Inconel Uns N07718 High Pressure Pipe
Standards: ASTM B163, B670
Shapes: Round, Square, Rectangular
Specifications: SCH20, SCH30, SCH40, STD
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
Gnee Super Alloy (Tianjin) Co., Ltd. is one of the most professional manufacturers and suppliers of inconel uns n07718 high pressure pipe in China. If you're going to wholesale high quality inconel uns n07718 high pressure pipe made in China, welcome to get free sample from our factory. Good service and reasonable price are available.
Inconel Uns N07718 High Pressure Pipe description
GNEE Inconel Uns N07718 High Pressure Pipe
Inconel 718 high-pressure pipe is a nickel-based superalloy renowned for its exceptional mechanical properties and high resistance to corrosion and oxidation. Due to its unique properties, it is widely used in high-pressure piping applications. The alloy possesses exceptional strength, capable of withstanding extreme pressures without deformation or failure. Furthermore, even at elevated temperatures, Inconel 718 maintains its mechanical integrity, making it suitable for applications involving high-pressure fluids or gases in harsh environments.
Furthermore, its excellent corrosion resistance helps prevent performance degradation and maintain pipe integrity, especially in corrosive or erosive conditions. These factors, combined with its excellent weldability and formability, make Inconel 718 a leading choice for high-pressure piping applications in industries such as oil and gas, aerospace, chemical processing, and power generation.
Specification Of 718 Inconel High Pressure Pipe
| Standard | ASTM B983 / ASME SB983, AMS 5596, AMS 5589 |
| Size Range | 1/8" - 48" |
| Length | Single Random, Double Random & Required Length |
| Form | Round Pipes and Tubes |
| Thickness | 0.5 - 20mm |
| Schedule | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Types | Seamless, Welded |
| End | Plain End, Beveled End, |
Inconel Uns N07718 High Pressure Pipe Specification
Chemical Composition Of Inconel 718 High Pressure Pipe
| C | Mn | P | S | Si | Cr | Ni | Mo | Cb | Ta | Ti | Al | Co | B | Cu |
| 0.08 | 0.35 | 0.015 | 0.015 | 0.35 | 17-21 | 50-55 | 2.8-3.30 | 4.75-5.50 | 0.05 | 0.65-1.15 | 0.20-0.80 | 1.00 | 0.006 | 0.30 |
Mechanical Properties Of 718 Inconel High Pressure Tubing
| Ultimate Tensile Strength, psi | .2% Yield Strength psi | Elongation % | Hardness Rockwell B |
| 135,000 | 70,000 | 45 | 100 |
Inconel Uns N07718 High Pressure Pipe Applications:
Inconel 718 seamless pipe is widely used in high-end industrial applications. Typical applications include:
1. Aerospace: engine combustion chambers, turbine blades, and exhaust systems
2. Nuclear: reactor cooling system piping
3. Petrochemical: offshore drilling platforms and chemical processing piping
4. Automotive: high-performance racing car exhaust systems
Testing and Inspection of Uns N07718 High Pressure Pipe
Testing (Destructive, Non Destructive)
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Positive Material Identification – PMI Testing |
Hydrostatic Test |
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Chemical Analysis – Spectro Analysis |
Hydrogen-Induced Cracking (HIC) Test |
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Mechanical Testing Such as Tensile, Elongation, Reduction of Area |
Sulfide Stress Corrosion Cracking (SSC), NACE TM 0177 |
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Micro Test |
Radiography Test |
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Macro Test |
Dye Penetrant Test (DP Test) |
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Hardness Test |
Ultra Sonic Test (UT) |
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Pitting Resistance Test |
Eddy Current Testing |
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Intergranular Corrosion (IGC) Test |
Impact Test |
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Flaring Test |
Bend Test |
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Flattening Test |
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Alloy Uns N07718 High Pressure Pipe Manufacturing Process
Raw Material Selection:
Select materials with high strength and the ability to withstand high pressure and temperature, such as Inconel, alloy steel, or non-ferrous metals.
Pipe Forming:
Extrusion: The raw material is heated and forced through a die into a cylindrical shape.
Seamless Processing: To improve the strength and integrity of the pipe, rotary piercing or extrusion processes can be used.
Heat Treatment:
Improve the mechanical properties of the pipe through processes such as annealing, normalizing, or quenching and tempering.
Welding: For longer pipes or special designs, tungsten inert gas welding (TIG) or laser welding can be used for joining.
Surface Treatment: To remove corrosion-causing oxides and impurities, pickling and passivation processes can be used.
Final Inspection and Packaging: Thoroughly inspect the pipe for compliance and quality before packaging it for appropriate transportation and storage.
Uns N07718 Alloy High Pressure Pipe Surface Treatments
Gnee Steel offers four surface finishes for Inconel Uns N07718 High Pressure Pipe: pickling, mirror polishing, polishing, and sandblasting.
Nickel Alloy Uns N07718 High Pressure Pipe production process
Gnee Steel offers the following heat treatments for Inconel Uns N07718 High Pressure Pipe: annealing and solution treatment + aging. Gnee Steel also offers hot working and cold working, namely hot rolling and cold drawing.
About Gnee Steel
Gnee Steel is a supplier of ASTM B163 Inconel 718 for deep sea oil and gas high-temperature pipes. Our product offerings include seamless pipes (sizes from 4 to 219 mm, thicknesses from 0.5 to 20 mm); welded pipes (sizes from 5.0 to 1219.2 mm, thicknesses from 0.5 to 20 mm); plate (thicknesses from 0.1 to 100 mm, widths from 10 to 2500 mm); strip; alloy round bar (sizes from 3 to 800 mm, diameters from 3 to 800 mm); flat bar (sizes from 2 to 100 mm, thicknesses from 10 to 500 mm); hexagonal bar (sizes from 2 to 100 mm); wire rod; and extruded sections. We partner with steel mills to provide our customers with Alloy 625 that meets or exceeds numerous leading industry standards, including ASTM, ASME, SAE, AMS, ISO, DIN, EN, and BS. Gnee Steel stocks and sells ASTM B163 Inconel 718 for deep sea oil and gas high temperature pipes, tubes, pipes, plates, strip, sheets, round bars, flat bars, forging billets, hexagons, wire rod, and extruded shapes. Feel free to contact us for a quote at ss@gneesteel.com
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