4j36/ K93600// Invar 36/ 1.3912 Precision Alloy Wire
INVAR 36 is a nickel-iron, low expansion alloy containing 36% nickel. It maintains nearly constant dimensions over the range of normal atmospheric temperatures, and has a low coefficient of expansion from cryogenic temperatures to about 500° F. The alloy also retains good strength and toughness at cryogenic temperatures.
INVAR 36 can be hot and cold formed and machined using processes similar to austenitic stainless steels. INVAR 36 is weldable using Filler Metal CF36 which is available in bare wire for both the GTAW and GMAW process.
Ferro nickel alloy: FeNi36, FeNi36, Permalloy ((1J79, 1J86, 1J85), 4J29(Kover), 79Ni4MoFe, 80Ni5MoFe, 1J50 (Ni50)
AFNOR NF A54-301 (chemistry only)
ASTM F 1684-06
EN 1.3912
UNS K93600, UNS K93603
Werkstoff 1.3912
Invar 36
| GB/T |
UNS |
AISI/ASTM |
W.Nr |
| 4J36 |
K93600 |
Invar36 |
1.3912 |
2.Invar 36 Chemical composition:
| Alloy |
% |
Ni |
Cr |
Fe |
C |
Mn |
Si |
P |
S |
| Invar 36 |
Min. |
35 |
|
Balance |
|
0.2 |
|
|
|
| Max. |
37 |
0.5 |
0.05 |
0.6 |
0.3 |
0.02 |
0.02 |
Invar 36 Physical properties:
| Density |
8.1 g/cm3 |
| Melting point |
1430 ºC |
Invar 36 Mechanical properties in the room temperature:
| Alloy state |
Tensile strength Rm N/mm2 |
Yield strength
RP0.2 N/mm2 |
Elongation
A5 % |
Brinell hardness
HB |
| Invar 36 |
490 |
240 |
42 |
≤200 |
average coefficient of linear expansion(10-6ºC)
| 20~100ºC |
20~300ºC |
20~400ºC |
20~450ºC |
20~500ºC |
20~530ºC |
20~600ºC |
| -- |
≤1.5 |
-- |
-- |
-- |
-- |
-- |
3.Applied field:
Invar 36 suit for need to apply ultra-low coefficient of heat expansion environment.Typical applications are as follows:
1.Liquefied gas production, storage and transport
2.The measurement and control instruments work temperature lower than 200ºC, such as temperature regulating device
3.Metals and other materials use the screw connector bush
4.Bimetal and bimetallic temperature controller
5.Film framework
6.Shadow mask
7.CRP components of the aviation industry temper Die
8.lower than -200ºC the satellite and missile electronic control unit framework
9.The auxiliary tube of the electromagnetic lens in the laser control device