ACI Grades - HU
|
Nominal
Composition
|
High
Temperature Properties Creep Stress PSI, 1% 10,000hrs
|
Melting Point deg. F. |
Wrought
Equivalent
|
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Ni
|
Cr
|
C
|
Mn
|
Si
|
Mo
|
W
|
Co
|
Fe
|
Other
|
1600F
|
1800F
|
2000F
|
||
|
39
|
19
|
.55
|
2.0
max
|
2.5
max
|
.50
max
|
-
|
-
|
bal.
|
-
|
5000
|
2200
|
600
|
2450
|
-
|
|
Principal
Features and Applications
Similar to HT material. Greater resistance to rapid thermal shock. Greater strength and carburization resistance up to 2000 deg. F. Most useful alloy for carburization applications with an oil quench at 1600 deg. F. to 1800 F. Used for trays, baskets, fixtures, radiant tubes, furnace parts, retorts, belts, chains and muffles. |
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