Features:
UNS Number N08825
Incoloy 825 has excellent resistance to chloride-ion-induced stress corrosion cracking, reducing environments containing phosphoric and sulfuric acids, oxidizing environments containing nitric acid and nitrates, and pitting, crevice corrosion and intergranular corrosion. It has good mechanical properties at cryogenic temperatures to moderately high temperatures up to 538℃.
Applications:
Chemical process industry, acid production, pickling equipment, pollution control equipment.
Products of Incoloy 825 available
• Sheet
• Plate
• Bar
• Pipe & Tube (welded & seamless)
• Fittings (i.e. flanges, slip-ons, blinds, weld-necks, lapjoints, long welding necks, socket welds, elbows, tees, stub-ends, returns, caps, crosses, reducers, and pipe nipples)
• Wire
GRADES:
GB |
ASTM |
DIN |
BS |
AFNOR |
|
NEW GRADES |
OLD GRADES |
||||
NS1402 |
NS142 |
UNS N08825 |
W.NR.2.4858 / NICR21MO |
NA16 |
NC21FEDU |
CHEMICAL COMPOSITION:
% |
NI |
CR |
FE |
C |
MN |
SI |
CU |
MO |
AL |
TI |
P |
S |
MIN. |
38 |
19.5 |
BALANCE |
|
|
|
1.5 |
2.5 |
1.0 |
0.6 |
|
|
MAX. |
46 |
23.5 |
BALANCE |
0.05 |
1 |
0.5 |
3 |
3.5 |
0.2 |
1.2 |
0.02 |
0.03 |
PHYSICAL PROPERTIES:
DENSITY |
8.1 G/CM³ |
MELTING RANGE |
1370-1400℃ |
MINIMUM MECHANICAL PROPERTIES IN THE ROOM TEMPERATURE:
TENSILE STRENGTH RM N/MM² |
YIELD STRENGTH R P0.2 |
ELONGATION A 5 % |
BRINELL HARDNESS HB |
550 |
220 |
30 |
≤200 |