1J50
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  • 1J50

Designation:1J50

Products description:

Equivalent designations

FENI36


Form

ASTM

Sheet and strip

B 388, B 753

Rod

B 572

Seamless pipe and tube

B 622

Welded pipe

B 619, B 775

Welded tube

B 626, B 751

Welding fitting

B 366

Billet and bar for reforging

B 472

Chemical composition

%

Fe

Ni

C

Mn

Si

P

S

Co

Cr

min

balance

35








max

37

0.15

0.60

0.40

0.025

0.025

0.50

0.25


Physical properties

Density

8.11 g/cm3

Melting point

1430℃

Features: Invar 36 is a 36% nickel-iron alloy notable for its uniquely low coefficient of thermal expansion which is roughly one-tenth that of carbon steel in the range from room temperature to around 200℃. It also retains good strength and toughness at cryogenic temperatures. It can be hot and cold formed and machined using processes similar to austenitic stainless steels.
Applications: Invar 36 is useful for applications where high dimensional stability is required such as standards of length, precision optical and laser system, cryogenic components. It is also used in conjunction with high expansion alloys in applications in bimetallic thermostats.

Alloy

ASTM

DIN

BS

AFNOR

4J36(Invar 36)

UNS K93600

1.3912

X1NiCrMoCu

Fe-Ni36

Alloy 42

UNS K94100

1.3917





1J50





1J79





3J53





4J29





4J42





Kovar





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