
Features:
UNS Number N08810
Incoloy 800H has a restricted carbon content range of 0.05 to 0.10%, which is in the upper portion of that of Incoloy 800, and is annealed at 1149 to 1177℃ (Incoloy 800 is annealed at 983 to 1038℃). These differences impart it to have higher stress rupture and creep properties than Incoloy 800.
Applications:
Chemical and petrochemical process piping, high temperature heat exchangers, furnace components, carburizing equipment, heating-element sheathing, and nuclear power steam superheating tubing.
Products of Incoloy 800H 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 |
|
NEW GRADES |
OLD GRADES |
|||
NS1102 |
NS112 |
UNS N08810 |
W.NR.1.4958 / X5 NICRALTI 31-20 |
NA15(H) |
CHEMICAL COMPOSITION:
% |
FE |
NI |
CR |
C |
MN |
SI |
S |
CU |
AL |
TI |
MIN |
39.5 |
30.0 |
19.0 |
0.05 |
|
|
|
|
0.15 |
0.15 |
MAX |
|
35.0 |
23.0 |
0.10 |
1.50 |
1.00 |
0.015 |
0.75 |
0.60 |
0.60 |
PHYSICAL PROPERTIES:
DENSITY |
7.94 G/CM³ |
MELTING POINT |
1375-1385 ℃ |