HEAT RESISTANT ALLOYS FOR GENERAL APPLICATIONS
ALLOY NAME |
ASTM Spec |
Max. Temp. |
Description |
|
HC |
A 297 |
2000 º F |
Good sulfur and oxidation resistance, minimal mechanical properties. |
|
HD |
A 297 |
2000 º F |
Excellent oxidation and sulfur resistance, plus weldability. |
|
HE |
A 297 |
2000 º F |
Higher temperature and sulfur resistance capabilities than HD. |
|
HF |
A 297 |
1600 º F |
Excellent general corrosion resistance to 1500ºF (815ºC), with moderate mechanical properties. |
|
HH |
A 297, A 608 |
2000 º F |
Good strenght and oxidation resistance at 1400-1800ºF (760-980ºC). |
|
HI |
A 297 |
2000 º F |
Improved oxidation resistance compared with HH. |
|
HK |
A 297, A 608 |
2100 º F |
Better strenght and oxidation resistance than HH, working range up to 1900ºF (1050ºC). |
|
HL |
A 297 |
1800 º F |
Improved sulfur resistance compared with HK. |
|
HN |
A 297 |
2000 º F |
Very high strenght at high temperatures. |
|
HP |
A 297 |
2000 º F |
Resistant to both oxidizing and carburizing atmospheres at high temperatures. |
|
HT |
A 297, A 608 |
2100 º F |
Good thermal shock/fatigue resistance. Good carburizing resistance. |
|
HU |
A 297, A 608 |
2100 º F |
Improved mechanical properties over HT. |
|
HW |
A 297, A 608 |
1800 º F |
High thermal shock/fatigue and carburizing resistance with higher nickel. |
|
HX |
A 297, A 608 |
2100 º F |
Resistant to hot corrosive gas under cyclic conditions without cracking or wraping. |
