Alloys 42

Brand name

NILO® 42, Invar 42

Trade name

Alloy 42

Standards

Material No.
1.3917
EN Designation
Ni 42
UNS
K94100
Alloy
42

Description

Alloy 42 / 1.3917 is a nickel-iron alloy with low expansion. (42% nickel)

Special properties

Low coefficient of expansion in low temperatures of 300°C.

Chemical Composition

C
%
≤ 0.12
Si
≤ %
0.30
Mn
≤ %
1.00
Ni
%
41.0-43.0
Fe
%
Rest

Mechanical Properties 20°C

Hardness HB 30
≤ HB
130
0.2% Yield strength Rp
≥ N/mm²
300
Tensile strength Rm
N/mm²
≥ 500
Elongation A5
≥ %
30
Modulus of elasticity
kN/mm²
145

Physical Properties 20°C

Density
g/cm³
8.15
Specific heat capacity
J/kg K
500
Thermal conductivity
W/m K
12.5
Electrical resistivity
Ω mm²/m
0.63

Application

Tanks for liquid natural gas, measuring and thermostatic instruments

Available forms for 1.3917 / ALLOY 42

Sheets/Plates
Lieferform
Bars
Lieferform
Wire
Lieferform
Forged / cast parts
Lieferform
Finished part (drawing)
Lieferform

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