4J36(32H/32H-BИ、Unipsan 36、Nilo36、Fe-Ni36、Nilos36)
1.Composition(wt%):
|
C
|
Ni
|
Si
|
Mn
|
P
|
S
|
Fe
|
|
≤0.05
|
35.0-37.0
|
≤0.3
|
0.2-0.6
|
≤0.02
|
≤0.02
|
balance
|
2.Physical Properties:
|
Density
(g/cm3)
|
Melting
temperature
(℃)
|
Specific heat capacity
/J/(kg•℃)(20~100℃)
|
Electrical
resistivity
(μΩ·m)
|
Thermal
conductivity
/W/(m•℃)
|
Curie point
(℃)
|
|
8.10
|
1430-1450
|
515
|
0.78
|
11
|
230
|
3.Properties:
1).mechanical properties at room temperature
|
condition
|
σb/MPa
|
σ0.2/MPa
|
δ/%
|
|
annealing
|
450
|
274
|
35
|
2).mechanical properties under different cold strains
|
ε/%
|
σb/MPa
|
σ0.2/MPa
|
δ/%
|
|
15
|
641
|
448
|
14
|
|
25
|
689
|
617
|
9
|
|
30
|
731
|
655
|
8
|
3).thermal expansion coefficient at different temperatures
|
alloy designation
|
Average thermal expansion coefficient/(10-6/ ℃)
|
|
20-50℃
|
20-100℃
|
20-200℃
|
20-300℃
|
20-400℃
|
20-500℃
|
|
4J36
|
0.6
|
0.8
|
2.0
|
5.1
|
8.0
|
10.0
|
4.Characteristics:
1) Very low thermal expansion coefficient between - 250 ℃ ~ + 200 ℃.
2)Very good plasticity and toughness
5.Applications:
4J36 applied to the environment of very low coefficient of expansion.
Typical applications are as follows:
●Liquefied petroleum gas production, storage and transportation
●measurement and control instruments Working temperature is lower than + 200 ℃ below
measurement and control instruments, such as temperature control device
●Screw connector bushing between metal and other materials
●Double metal and temperature control of double metal
●Film type framework
● Shadow mask
●Aviation industry CRP parts drawing die
●Framework of satellite and missile electronic control unit below 200 ℃
●The laser control electromagnetic lens in the auxiliary vacuum tube
|
