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Equivalent designations
UNS N08020
|
Form |
ASTM |
|
Rod, bar and wire |
B 473 |
|
Plate, sheet and strip |
A 240, A 480, B 463, B 906 |
|
Seamless pipe and tube |
B 729, B 829 |
|
Welded pipe |
B 464, B 775 |
|
Welded tube |
B 468, B 751 |
|
Welding fitting |
B 366 |
|
Forged or rolled pipe flange and forged fitting |
B 462 |
|
Billet and bar for reforging |
B 472 |
Chemical composition
|
% |
Fe |
Ni |
Cr |
Cu |
Mo |
C |
Mn |
Si |
P |
S |
Nb+Ta |
|
min |
balance |
32.0 |
19.0 |
3.0 |
2.0 |
|
|
|
|
|
8*C |
|
max |
38.0 |
21.0 |
4.0 |
3.0 |
0.07 |
2.00 |
1.00 |
0.045 |
0.035 |
1.00 |
Physical properties
|
Density |
8.08 g/cm3 |
|
Melting range |
1357-1430¡æ |
Features: Incoloy 020 has excellent resistance in chemicals containing sulfuric acid, and has good resistance to environments containing chlorides, phosphoric acid and nitric acid. It contains niobium for stabilization against sensitization and resultant intergranular corrosion. It also has good mechanical properties and fabricability.
Applications: Chemical, food, pharmaceutical and plastics industries, heat exchangers, mixing tanks, pickling equipment, synthetic rubber manufacturing equipment, pumps, valves and piping.
