ACI Grades - HT

Nominal Composition
High Temperature Properties Creep Stress PSI, 1% 10,000hrs
Melting Point deg. F.
Wrought Equivalent
Ni
Cr
C
Mn
Si
Mo
W
Co
Fe
Other
1600F
1800F
2000F
35
17
.55
2.0 max
2.5 max
.50 max
-
-
bal.
-
4500
2000
500
2450
330
Principal Features and Applications:
Excellent resistance to oxidation and carburization up to 2000 deg. F. Resists thermal shock from heating and cooling . Used for furnace parts, trays, baskets, annealing fixtures, muffles, radiant tubes, enameling fixtures, retorts, belts and chains.