Grade : |
KHN70YU ( ХН70Ю ) ( ЭИ652 ) |
Classification : |
Hidh-temperature or heat-resistant alloy |
Chemical composition in % for grade KHN70YU ( ХН70Ю )
Fe |
C |
Si |
Mn |
Ni |
S |
P |
Cr |
Ce |
Al |
Cu |
Ba |
max 1 |
max 0.1 |
max 0.8 |
max 0.3 |
65.073 - 71.2 |
max 0.012 |
max 0.015 |
26 - 29 |
max 0.03 |
2.8 - 3.5 |
max 0.07 |
max 0.1 |
Mechanical properties under Т=20oС for grade KHN70YU ( ХН70Ю )
Assortment |
Dimension |
Direct. |
sв |
sT |
d5 |
y |
KCU |
Heat treatment |
- |
mm |
- |
MPa |
MPa |
% |
% |
kJ / m2 |
- |
Sheet, GOST 24982-81 |
to 3.9 |
|
980 |
|
30 |
|
|
Guenching 1100 - 1150oC,Cooling water, |
Technological properties for grade KHN70YU ( ХН70Ю )
Weldability: |
limited weldability. |
Physical properties for grade KHN70YU ( ХН70Ю )
T |
E 10- 5 |
a 10 6 |
l |
r |
C |
R 10 9 |
Grade |
MPa |
1/Grade |
Watt/(m·Grade) |
kg/m3 |
J/(kg·Grade) |
Ohm·m |
20 |
1.91 |
|
11.7 |
7900 |
|
|
100 |
1.82 |
13.14 |
12.6 |
|
|
|
200 |
1.73 |
13.86 |
13.9 |
|
|
|
300 |
1.66 |
14.76 |
13.55 |
|
|
|
400 |
1.56 |
15.68 |
17.25 |
|
|
|
500 |
1.47 |
16.39 |
18.9 |
|
|
|
600 |
1.37 |
17.81 |
18.9 |
|
|
|
700 |
1.18 |
22.42 |
23.1 |
|
|
|
800 |
|
25.47 |
24.8 |
|
|
|
900 |
|
21.34 |
26.9 |
|
|
|
1000 |
|
21.21 |
|
|
|
|
T |
E 10- 5 |
a 10 6 |
l |
r |
C |
R 10 9 |