Average Dynamic Oxidation Resistance*
Test Temperature
|
Test
Period
|
Metal
Loss/Slide
|
Maximum
Penetration Side
|
Total Metal
Affected/Side
|
°F
|
°C
|
h
|
mils
|
mm
|
mils
|
mm
|
mils
|
mm
|
1600 |
871 |
100 |
1.0 |
0.03 |
0.3 |
0.01 |
1.3 |
0.03 |
1800 |
982 |
100 |
1.4 |
0.04 |
0.7 |
0.02 |
2.2 |
0.06 |
2000 |
1093 |
100 |
1.6 |
0.04 |
2.2 |
0.06 |
3.8 |
0.10 |
*Samples exposed to the combustion products of No. 2 fuel oil (0.4 percent sulfur). Hot gas velocity was 280ft./sec. (85mm/sec). Thermal shock frequency was 2 cycles per hour, consisting of cooling from test temperature to <500ºF (<260ºC) and back to test temperature in two minutes.
Comparative Average Dynamic Oxidation Resistance
Test Temperature |
Test Period |
Maximum Metal Affected/Side
|
S |
230® |
X
|
25
|
°F |
°C |
h
|
mils
|
mm
|
mils
|
mm
|
mils
|
mm
|
mils
|
mm
|
1800
|
982
|
1000 |
6.6 |
0.17 |
3.5 |
0.09 |
6.4 |
0.16 |
7.6 |
0.19 |
2000
|
1093
|
500 |
15.2 |
0.39 |
5.7 |
0.14 |
13.5 |
0.34 |
<31.0*** |
0.79*** |
*Samples exposed to the combustion products of No. 2 fuel oil (0.4 percent sulfur). Hot gas velocity was 280ft./sec. (85mm/sec). Thermal shock frequency was 2 cycles per hour, consisting of cooling from test temperature to <500ºF (<260ºC) and back to test temperature in two minutes.
**Metal loss plus maximum internal penetration
***Sample was consumed