Comparative Static Oxidation Data in Flowing Air for 1008 Hours*
| Alloy |
1800°F (980°C)
|
2000°F (1095°C)
|
| Metal Loss/Side |
Metal Loss + CIP**/Side
|
Metal Loss/Side
|
Metal Loss + CIP**/Side
|
| - |
mils
|
mm
|
mils
|
mm
|
mils
|
mm
|
mils
|
mm
|
| X |
0.29 |
0.007 |
0.74 |
0.019 |
1.5 |
0.038 |
2.7 |
0.069 |
| INCONEL® 600 |
0.32 |
0.008 |
0.90 |
0.023 |
1.1 |
0.028 |
1.6 |
0.041 |
| INCONEL® 601 |
0.53 |
0.013 |
1.3 |
0.033 |
1.2 |
0.031 |
2.6 |
0.06 |
| 625 |
0.32 |
0.008 |
0.72 |
0.018 |
3.3 |
0.083 |
4.8 |
0.12 |
| 800H® |
0.024 |
0.024 |
1.8 |
0.046 |
5.4 |
0.137 |
7.4 |
0.19 |
*Cycled to room temperature once a week **CIP=Continuous Internal Penetration
INCONEL is a trademark of Inco Family of Companies
Schematic Representation of Metallographic Technique used for
Elevating Oxidation Tests
Comparative Average Hot Corrosion Resistance*
Test
Temperature |
Test
Period |
Total Metal Affected/Side |
| X |
S |
188 |
| °F |
°C |
h |
mils |
mm |
mils |
mm |
mils |
mm |
| 1650 |
900 |
200 |
3.0 |
0.08 |
2.7 |
0.07 |
2.1 |
0.05 |
| 1650 |
900 |
1000 |
6.8 |
0.17 |
7.5 |
0.19 |
3.7 |
0.09 |
*All tests performed by exposure to the combustion products of No. 2 fuel oil (0.4 percent sulfur) and 5 ppm of sea salt. Gas velocity over samples was 13 ft./sec. (4m/s). Thermal shock frequency was one/hour.