Jul 5 2013
Topics Covered
Introduction
Chemical Composition
Physical Properties
Mechanical Properties
Thermal Properties
Other Designations
Applications
Introduction
INCOLOY® alloy 864 exhibits excellent fatigue resistance, thermal stability and resistance to chloride stress-corrosion cracking, pitting and hot salt corrosion. The following datasheet will provide an overview of INCOLOY® alloy 864.
Chemical Composition
The chemical composition INCOLOY® alloy 864 is outlined in the following table.
|
Element |
Content (%) |
|
Nickel, Ni |
30 - 38 |
|
Iron, Fe |
29.105 - 45 |
|
Chromium, Cr |
20 - 25 |
|
Molybdenum, Mo |
4 - 4.8 |
|
Silicon, Si |
0.60 - 1 |
|
Titanium, Ti |
0.40 - 1 |
|
Carbon, C |
≤ 0.080 |
|
Sulfur, S |
≤ 0.015 |
Physical Properties
The following table shows the physical properties of INCOLOY® alloy 864.
|
Properties |
Metric |
Imperial |
|
Density |
8.02 g/cm3 |
0.290 lb/in3 |
|
Melting point |
1353-1393°C |
2467-2539°F |
Mechanical Properties
The mechanical properties of INCOLOY® alloy 864 are displayed in the following table.
|
Properties |
Metric |
Imperial |
|
Tensile strength |
648 MPa |
94000 psi |
|
Yield strength |
109.6 MPa |
15900 psi |
|
Elongation at break |
16.60% |
16.60% |
Thermal Properties
The thermal properties of INCOLOY® alloy 864 are given in the following table
|
Properties |
Metric |
Imperial |
|
Thermal expansion co-efficient (@100°C/212°F) |
14.7 µm/m°C |
8.17 µin/in°F |
|
Thermal conductivity (@23°C/73.4°F) |
11 W/mK |
76.3 BTU.in/hrft².°F |
Other Designations
Other designations that are equivalent to INCOLOY® alloy 864 include the following:
Applications
The following are the list of applications of INCOLOY® alloy 864:
-
Automotive exhaust system
-
EGR tubes
-
Tailpipes
-
Manifolds