Astm B163 Inconel 718 Pickled Annealed Tube
Sizes: 15" to 150" (NB)
Wall thickness: 0.5 to 20 mm
As a leading supplier and manufacturer in China, GNEE Steel provides cost-effective nickel-based alloy products.
- Send E-mail: ss@gneesteel.com
- Tel: +8615824687445
Astm B163 Inconel 718 pickled annealed tube description

GNEE Astm B163 Inconel 718 pickled annealed tube
ASTM B163 Inconel 718 pickled annealed tubing is an age-hardenable nickel-chromium alloy with high strength, corrosion resistance, and high-temperature performance, making it suitable for demanding applications such as jet engines and heat exchangers. The "pickled annealed" temper refers to a specific post-production heat treatment and cleaning process that provides a certain surface finish and mechanical properties, but unlike other tempers, it does not harden. This temper is often used as a starting point for further hardening, such as aging, which can be performed after machining to avoid dimensional changes.
Specification Of Inconel 718 Tube
| Tube Standard | ASTM B163/ ASME SB163, ASTM B516/ ASME SB516 |
| Tube Dimension | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
| Seamless Tube Sizes | 1 / 2" NB - 16" NB |
| Welded Tube Sizes | 1 / 2" NB - 24" NB |
| Tube Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24" NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
| Tube Manufacturing Process | Seamless / Welded / ERW / Fabricated / CDW / 100% X Ray Welded |
| Inconel Tube Schedule | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
| Tube Length | Single Random, Double Random, Standard & Cut length |
| Tube End Types | Plain Ends (PE), Threaded Ends (TE), Bevelled Ends (BW), Grooved Mechanical Joints or Grooved Ends, TBE (Treaded Both Ends) |
| Delivery Condition | Annealed and Pickled, Polished, Bright Annealed, Cold Drawn |
| Outside Finish | 2B, No.4, No.1, No.8 Mirror Finish for Inconel Tubes, Finish as per customer Requirements |
Astm B163 Inconel 718 pickled annealed tube Specification
Inconel 718 Alloy Tube Chemical Composition
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 718 | 0.08 max | 0.35 max | 0.35 max | 0.015max | 0.30 max | – | 50.00 – 55.00 | 17.00 – 21.00 |
718 Inconel Tubing Mechanical Properties
Inconel 718 Pipe Yield Strength
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 718 | 8.2 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 482 | 45 % |
Equivalent Grades for Inconel 718 Seamless and Welded Tubes
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 718 | 2.4668 | N07718 | NCF 718 | – | – | – | – |
Alloy 718 Tube Physical Properties
|
Solution Treated |
Solution Treated and Aged |
|
|---|---|---|
| Density |
0.296 lb/in3 (8.192 g/cm3) |
0.297 lb/in3 (8.22 g/cm3) |
| Specific Gravity |
8.19 |
8.22 |
| Melting Range |
2500-2600°F |
1370-1430°C |
Astm B163 Inconel 718 pickled annealed tube Sizes In Mm

| Nominal pipe Size(NPS) | Outside Diameter | Nominal Wall Thickness | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Sch5s | SCH10S | Sch20 | Sch30 | Sch40 | STD | Sch80 | XS | Sch160 | XXS | ||||
| 8 | 1/4 | 13.7 | 0.54 | – | 1.65 | – | 1.85 | 2.24 | 2.24 | 3.02 | 3.02 | – | – |
| 10 | 3/8 | 17.1 | 0.675 | – | 1.65 | – | 1.85 | 2.31 | 2.31 | 3.20 | 3.20 | – | – |
| 15 | 1/2 | 21.3 | 0.84 | 1.65 | 2.11 | – | 2.41 | 2.77 | 2.77 | 3.73 | 3.73 | 4.78 | 7.47 |
| 20 | 3/4 | 26.7 | 1.05 | 1.65 | 2.11 | – | 2.41 | 2.87 | 2.87 | 3.91 | 3.91 | 5.56 | 7.82 |
| 25 | 1 | 33.4 | 1.32 | 1.65 | 2.77 | – | 2.90 | 3.38 | 3.38 | 4.55 | 4.55 | 6.35 | 9.09 |
| 32 | 1.1/4 | 42.2 | 1.66 | 1.65 | 2.77 | – | 2.97 | 3.56 | 3.56 | 4.85 | 4.85 | 6.35 | 9.70 |
| 40 | 1.1/2 | 48.3 | 1.90 | 1.65 | 2.77 | – | 3.18 | 3.68 | 3.68 | 5.08 | 5.08 | 7.14 | 10.15 |
| 50 | 2 | 60.3 | 2.38 | 1.65 | 2.77 | – | 3.18 | 3.91 | 3.91 | 5.54 | 5.54 | 8.74 | 11.07 |
| 65 | 2.1/2 | 73.0 | 2.88 | 2.11 | 3.05 | – | 4.78 | 5.16 | 5.16 | 7.01 | 7.01 | 9.53 | 14.02 |
| 80 | 3 | 88.9 | 3.50 | 2.11 | 3.05 | – | 4.78 | 5.49 | 5.49 | 7.62 | 7.62 | 11.13 | 15.24 |
| 90 | 3.1/2 | 101.6 | 4.00 | 2.11 | 3.05 | – | 4.78 | 5.74 | 5.74 | 8.08 | 8.08 | – | – |
| 100 | 4 | 114.3 | 4.50 | 2.11 | 3.05 | – | 4.78 | 6.02 | 6.02 | 8.56 | 8.56 | 13.49 | 17.12 |
| 125 | 5 | 141.3 | 5.56 | 2.77 | 3.40 | – | – | 6.55 | 6.55 | 9.53 | 9.53 | 15.88 | 19.05 |
| 150 | 6 | 168.3 | 6.62 | 2.77 | 3.40 | – | – | 7.11 | 7.11 | 10.97 | 10.97 | 18.26 | 21.96 |
| 200 | 8 | 219.1 | 8.62 | 2.77 | 3.76 | 6.35 | 7.04 | 8.18 | 8.18 | 12.70 | 12.70 | 23.01 | 22.23 |
| 250 | 10 | 273.0 | 10.75 | 3.40 | 4.19 | 6.35 | 7.80 | 9.27 | 9.27 | 15.09 | 12.70 | 28.58 | 25.40 |
| 300 | 12 | 323.8 | 12.75 | 3.96 | 4.57 | 6.35 | 8.38 | 10.13 | 9.53 | 17.48 | 12.70 | 33.32 | 25.40 |
| 350 | 14 | 355.6 | 14 | 3.96 | 4.78 | 7.92 | 9.53 | 11.13 | 9.53 | 19.05 | 12.70 | 35.71 | – |
| 400 | 16 | 406.4 | 16 | 4.19 | 4.78 | 7.92 | 9.53 | 12.70 | 9.53 | 21.44 | 12.70 | 40.49 | – |
| 450 | 18 | 457 | 18 | 4.19 | 4.78 | 7.92 | 11.13 | 14.27 | 9.53 | 23.83 | 12.70 | 45.24 | – |
| 500 | 10 | 508 | 20 | 4.78 | 5.54 | 9.53 | 12.70 | 15.09 | 9.53 | 26.19 | 12.70 | 50.01 | – |
| 550 | 22 | 559 | 22 | 4.78 | 5.54 | 9.53 | 12.70 | – | 9.53 | 28.58 | 12.70 | 53.98 | – |
| 718 | 24 | 610 | 24 | 5.54 | 6.35 | 9.53 | 14.27 | 17.48 | 9.53 | 30.96 | 12.70 | 59.54 | – |
| 650 | *26 | 660 | 26 | – | – | – | – | – | 9.53 | – | 12.70 | – | – |
| 700 | *28 | 711 | 28 | – | – | – | – | – | 9.53 | – | 12.70 | – | – |
| 750 | *30 | 762 | 30 | – | – | – | – | – | 9.53 | – | 12.70 | – | – |
| 800 | *32 | 813 | 32 | – | – | – | – | – | 9.53 | – | 12.70 | – | – |
Types of Inconel Alloy 718 Pipe
| Preview | Products | UNS | DIN |
|---|---|---|---|
![]() |
Inconel 718 Seamless Pipe Inconel 718 Seamless Tubes |
UNS N07718 Seamless Pipe UNS N07718 Seamless Tubes |
2.4668 Seamless Pipe 2.4668 Seamless Tube |
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Inconel 718 Welded Pipe Inconel 718 Welded Tube |
UNS N07718 Welded Pipe UNS N07718 Welded Tubes |
2.4668 Welded Pipe 2.4668 Welded Tube |
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Inconel 718 EFW Pipe | UNS N07718 EFW Pipe | 2.4668 EFW Pipe |
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Inconel 718 ERW Pipe | UNS N07718 ERW Pipe | 2.4668 ERW Pipe |
![]() |
Inconel 718 Round Tube | UNS N07718 Round Tubes | 2.4668 Round Tubing |
Astm B163 Inconel 718 pickled annealed tube Surface Treatments
Gnee Steel provides four surface treatments for Astm B163 Inconel 718 pickled annealed tube: pickling, mirror polishing, polishing, and sandblasting.
Astm B163 Inconel 718 pickled annealed tube production process
Gnee Steel provides the following heat treatments for Astm B163 Inconel 718 pickled annealed tube: annealing, solution + aging. In addition, Gnee Steel also provides hot working and cold working, which are hot rolling and cold drawing.
Astm B163 Inconel 718 pickled annealed tube Packaging
In order to better ensure the safety of your goods, we will provide professional, environmentally friendly, convenient and efficient packaging services.
About Gnee Steel

Gnee Steel specializes in the production and sale of various nickel-based alloys, including Nickel 201, Nickel 202, Hastelloy C-276, Hastelloy C-22, Hastelloy B, Hastelloy C-4, Inconel Alloy 600, Inconel 625, Inconel 718, Inconel X-750, Incoloy Alloy 800, Incoloy 800H/HT, Incoloy 825, Monel Alloy 400, Monel K500, and high-temperature alloys. Gnee Steel's products are widely used in aerospace, chemical, electric power, automotive, and nuclear energy applications. We also offer customized alloy solutions tailored to customer needs. For alloy pricing inquiries or customized alloy solutions, please contact us for a quote at ss@gneesteel.com.
FAQ
Q: What's the difference between Inconel 625 and 718?
A: Inconel 625 offers excellent corrosion resistance, making it an ideal choice for marine and chemical applications. Inconel 718, on the other hand, is favored for its exceptional strength and high-temperature performance, making it particularly suitable for aerospace and gas turbine engines. Inconel 718 is more difficult and expensive to machine, requiring more complex heat treatments to harden, but it offers higher tensile and yield strengths at elevated temperatures.
Q: What's the difference between Inconel 600 and 718?
A: Inconel 600 offers excellent corrosion resistance and formability, making it suitable for chemical processing and marine applications. Inconel 718, on the other hand, boasts exceptional high-temperature strength and creep resistance, making it a top choice for aerospace and oil and gas applications.
Q: What is the difference between INCONEL 718 and 725?
A: Inconel 718 has a Pitting Resistance Equivalent Number (PREN) exceeding 31, while Inconel 725 has a PREN exceeding 45, enabling it to operate in the harshest environments. Langley Alloys offers 725 alloy round bar in diameters from 1 inch to 4 inches (25.4 mm to 101.6 mm), and 718 alloy round bar in diameters from ½ inch to 10 inches (12.7 mm to 254 mm).
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