GH 1035(GH35、XH38BT)
1.Composition(wt%)
| C |
Cr
|
Ni
|
W
|
AL
|
Ti
|
Fe
|
Nb
|
Ce
|
Si
|
Mn
|
P
|
S
|
Cu
|
|
0.06-0.12
|
20.00-23.00
|
35.00-40.00
|
2.5-3.5
|
≤0.5
|
0.7-1.2
|
balance
|
1.2-1.7
|
≤0.05
|
≤0.8
|
≤0.7
|
≤0.03
|
≤0.02
|
≤0.25
|
Note: Added with titanium or niobium, but not both at the same time to join.
2.Physical Properties
Density
(g/cm3) |
Elastic modulus
(GPa)
|
Thermal conductivity
(λ/(W(m·℃))
|
Hardness
(HBS)
|
Thermal expansion coefficient
(10-6K-1)
|
|
8.17
|
142-199
|
12.6
|
230
|
13.7
|
3.Properties
1.Mechanical properties
| Condition |
Temperature
(℃)
|
Tensile strength
(MPa)
|
Yield strength
(MPa)
|
Elongation
( %)
|
|
Annealing+Strain Ageing
|
20
|
725
|
-
|
40
|
|
300
|
539
|
-
|
42
|
|
400
|
441
|
-
|
42
|
|
500
|
245
|
-
|
58
|
|
600
|
147
|
-
|
62
|
|
700
|
76
|
-
|
72
|
|
800
|
49
|
-
|
58
|
2.Endurance properties
| Condition |
Temperature
(℃)
|
б50
|
б100
|
δ/%
|
|
N/mm2
|
|
Annealing
(containing Nb)
|
800
|
-
|
88.2
|
30-40
|
|
900
|
49
|
44.1
|
25-30
|
|
Annealing
(containing Ti)
|
800
|
-
|
78.4
|
40-50
|
|
950
|
39.2
|
29.4
|
30-35
|
3.Creep properties
| Condition |
Temperature
(℃)
|
б5/100
N/mm2
|
|
Annealing
|
800
|
61.7-72.5
|
|
900
|
20.6-27.4
|
|
1000
|
8.8
|
|
1100
|
6.9
|
4.Thermal fatigue properties
| Condition |
Temperature(℃)
|
Number of cycle
|
Crack length(mm)
|
|
Annealing
|
800~20
900~20
1000~20
1100~20
1200~20
|
110
46
22
24
22
|
0.5
0.5
0.5
0.5
0.5
|
4.Characteristics
Oxidation resistance:
| Temperature(℃) |
Soaking time/h
|
Weight gains/g/(m2·h)
|
|
1100（containing Nb）
1100（containing Ti）
|
100
100
|
0.67
0.42
|
5.Structure
Alloy in the condition of solid solution containing Nb(CN), Ti(CN).
A small amount of γˊ and M23C6 can be seen after aging.
6.Applications
Applicable temperature applied is 550-1000℃, Provided in the form of the manufacture of aerospace, aviation, industrial
gas turbines and other general bearing components (except for turbine blade). |
