Alloy20
Material grade: Alloy20
US grade: UNS N08020
China grade: NS143, 0Cr20Ni35Mo3Cu4Nb
I. Overview of Alloy 20(N08020) nickel-based alloy:
Alloy 20（N08020） usually has a Cr content of 19.0-21.0% and a nickelcontent of 32.0-38.0%. It is a nickel-based alloy containing molybdenum andcopper, which has good hot and cold workability. As a corrosion-resistant alloywith many excellent properties, Alloy 20 (N08020) has good resistance tooxidizing and medium reducing corrosion, and has excellent resistance to stresscorrosion cracking and two good local corrosion resistance.
II. Chemical composition: seetable 1:
Table-1 %
C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ |
0.07 | 1 | 2 | 0.045 | 0.035 | 19.0-21.0 | 32.0-38.0 | 2.0-3.0 | 3.0-4.0 |
Other | N≤ | Al≤ | Ti≤ | Fe≤ | Co≤ | V≤ | W≤ | Nb+Ta |
|
|
| Balance |
|
|
| ≤1.00 |
III. Physical properties:
1. Density: 8.08 g / cm3
2. Melting point: 1357-1430 ° C.
IV. Specifications and Ex-factorystatus
1. Classification: We can supply in form ofseamless pipes, steel plates, round steel, forgings, flanges, rings, weldedpipes, steel strips, wire and supporting welding materials.
2.Ex-factory status: Seamless Tube: solidsolution + acid white, length can be fixed; Plate: solid solution, pickling,trimming; Welded Tube: solid solution acid white + RT% flaw detection; Forging:annealing + turning; the bar is delivered in the state of forging, surfacepolishing or lapping; the strip is delivered after cold rolling, solid solutionsoftening, and descaling; the wire is solid-dissolved and pickled in a disc orstraight strip, solid solution straight polished.
