Incoloy20
Material grade: Incoloy (alloy 20)nickel-based alloy
US grade: UNS N08020
Chinese grade: NS143, 0Cr20Ni35Mo3Cu4Nb
I. Overview of Incoloy 20(N08020, Alloy 20) nickel-based alloys:
Incoloy 20 (N08020, Alloy 20) usually has a Crcontent of 19.0-21.0% and a nickel content of 32.0-38.0% and is a nickel-basedalloy containing molybdenum and copper, which has good hot and coldworkability. It is a corrosion resistant alloys with excellent properties, andhas good resistance to oxidizing and medium reducing corrosion, excellentresistance to stress corrosion cracking and good local corrosion resistance inmany chemical process media.
II. Chemical composition: seetable 1:
Table 1 %
C≤ | Si≤ | Mn≤ | P≤ | S≤ | Cr≥ | Ni≥ | Mo≥ | Cu≤ |
0.007 | 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.