ASTM B983 Nickel Alloy 718 Inconel 718 N07718 2.4688 Nickel Alloy Seamless tube
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ASTM B983 Standard Specification for Precipitation Hardened or Cold Worked, Seamless Nickel Alloy Pipe and Tube
This specification covers high strength, seamless pipe and tube of nickel alloys (UNS N07022, UNS N07725, and UNS N07740). Pipe and tube shall be supplied in the cold worked or cold worked and precipitations hardened or solution annealed plus precipitation hardened and descaled conditions. When atmosphere control is used, descaling is not necessary. Each pipe or tube shall be tested by the manufacturer by either hydrostatic or a non-destructive electric test in accordance with Specification B829. This specification also describes chemical requirements, heat treatments, and mechanical properties, as well as calculation of mass or weight, sampling of chemical analysis, sampling for mechanical testing, specimen preparation, inspection, and certification. There shall be one test per lot for chemical analysis and one test per lot for tension test. If the specimen used in the mechanical test of any lot fails to meet the specified requirements, tow additional specimens shall be taken from different sample pieces and tested. The results of the tests on both of these specimens shall meet the specified requirements.
This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
1. Scope
1.1 This specification covers high strength, seamless pipe and tube of nickel alloys (UNS N07022, UNS N07725, UNS N07740, UNS N09945, UNS N09925, UNS N07718, UNS N10276, UNS N06985)2 as shown in Table 1.
Nickel Alloy 718 Chemical composition
|
Alloy
|
% |
Ni |
Cr |
Fe |
Mo |
Nb |
Co |
C |
Mn |
Si |
S |
Cu |
Al |
Ti |
|
718 |
Min. |
50 |
17 |
balance |
2.8 |
4.75 |
|
|
|
|
|
|
0.2 |
0.7 |
|
Max. |
55 |
21 |
3.3 |
5.5 |
1 |
0.08 |
0.35 |
0.35 |
0.01 |
0.3 |
0.8 |
1.15 |
Nickel Alloy 718 Physical Properties
|
Density / Specific Gravity
|
8193 kg/m³ |
|
Melting point |
1321-1393 ℃ |
ASTM B983 Alloy 718 / UNS N07718 Nickel Alloy Seamless Tube
1. Material Grade: Alloy 718/UNS N07718, Alloy C276/UNS N10276, Alloy 800/UNS N08800, Alloy 825/UNS N08825, Alloy 400/UNS N04400; etc
2. Outer Diameter: 3.18mm-101.60mm
Wall Thickness: 0.50mm-20.00mm
3. Length: Normally fixed length 6m, can as per customer’s requirement
4. Standard: ASTM B163; ASTM B983; ASTM B444; ASTM B622 ect
5. Technology : Cold Drawn / Cold Rolled
