GH4033 （GH33、ЭЙ437Б，ХН77ТЮР）
1.Composition(wt%)
|
C
|
Cr
|
Ni
|
Al
|
Ti
|
Fe
|
|
0.3-0.8
|
19.0-22.0
|
balance
|
0.6-1.0
|
2.4-2.8
|
≤4.0
|
|
B
|
Ce
|
Si
|
Mn
|
P
|
S
|
|
≤0.01
|
≤0.02
|
≤0.65
|
≤0.4
|
≤0.15
|
≤0.007
|
2.Physical Properties
|
Density
(g/cm3 )
|
Thermal conductivity
/W/m•℃ （100℃）
|
Thermal expansion coefficient
/10-6(20-100℃)/ ℃
|
Elastic modulus
(GPa )
|
Electric resistivity
(10-6Ω•m )
|
|
8.2
|
11.3
|
11.56
|
221
|
1.24
|
3.Properties
1.Mechanical properties
|
Condition
|
Temperature
/℃
|
бb
N/mm2
|
б0.2
N/mm2
|
δ5
%
|
Ψ
%
|
Ak
kJ/m2
|
|
Annealing+ageing
|
20
|
1107.4-1127
|
695.8-715.4
|
27-31
|
23-26
|
539-813.4
|
|
600
|
1009.4-1029
|
617.4-656.6
|
31-34
|
36-38
|
921.2-101
|
|
650
|
911.4-931
|
617.4-637
|
22-24
|
24-26
|
-
|
|
700
|
823.2-862.4
|
607.6-627
|
18-20
|
20-22
|
793.8-108.8
|
|
750
|
735-754.6
|
548.8-578
|
16-25
|
22-25
|
99.96-107.8
|
|
800
|
597.8-617.4
|
499.8-519
|
19-21
|
19-30
|
115.6-157
|
|
850
|
411.6-480
|
343-401.8
|
32-45
|
57-70
|
147-180
|
|
900
|
225.4-245
|
225.4-245
|
36-43
|
71-79
|
-
|
2.Endurance properties
|
Condition
|
Temperature
/℃
|
Smooth specimens
|
Notch specimen
R=0.5mm
|
|
б
N/mm2
|
τ
h
|
бH
N/mm2
|
τ
h
|
|
Annealing+ageing
|
750
|
313.6
|
194-208
|
313.6
|
163-397
|
3.Creep properties
|
Condition
|
Temperature
/℃
|
Creep properties
|
|
б
N/mm2
|
τ
h
|
Total deformation
%
|
Residual deformation
%
|
|
Annealing+ageing
|
700
|
294
|
100
|
0.171-0.227
|
0.038-0.067
|
4.Fatigue properties
|
Condition
|
Temperature
/℃
|
Smooth specimens
|
Notch specimens
R=0.5mm
|
|
б
N/mm2
|
cycle
times
|
бH
N/mm2
|
Cycle
times
|
|
700
|
411.6
|
>107
|
264.6
|
>107
|
5.After long term ageing properties
（1）Mechanical properties
|
Condition
|
Temperature
/℃
|
бb
N/mm2
|
б0.2
N/mm2
|
δ5
%
|
Ψ
%
|
Ak
kJ/m2
|
|
Ageing800h
|
700
|
886.9
|
681.1
|
20
|
22
|
274.4
|
4.Characteristics
1.Good high temperature strength until 750℃，good oxidation resistance until900℃.
2. Good thermal and mechanical processing performance, easy to be forged.
3.Oxidation resistance：
|
Temperature
℃
|
Soaking time
h
|
Oxidation rate
g/(m2•h)
|
|
800
900
|
100
|
0.0387
0.068
|
5.Structure
Nickel - chromium base, adding with aluminum, titanium to become γ'phase dispersion strengthened alloy.
Single-phase austenitic organization,solid solution, containing traces of uniform distribution of TiC and TIN/Ti (C, N).
6.Applications
Used in the manufacture of the turbine blades,the turbine disk until 750°C and other parts.
|
