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Invar® 36 Free-Machined Round Bar

Alternative and trade names
Invar 36®, Pernifer 36®, Nilo 36®, Invar Steel
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Description

Invar® is a low expansion alloy consisting of 36% nickel, balance iron.

Related Standards

Equivalent Materials

Properties

Dimension

Diameter d

4.8 - 152.4 mm

Length l

3050 - 3660 mm

Mill random length

Electrical

Electrical resistivity ρel

4.95E-6 Ω·m at 20 °C

General

Density ρ

8.05 g/cm³ at 20 °C

Magnetic

Curie temperature Tc

279 °C at 20 °C

Material Information

Dimension

Available diameters: 4.8mm, 6.4mm, 7.9mm, 9.5mm, 12.7mm, 15.9mm, 19.1mm, 25.4mm, 31.8mm, 34.9mm, 38.1mm, 41.3mm, 44.5mm, 50.8mm, 57.2mm, 60.3mm, 63.5mm, 69.9mm, 76.2mm, 88.9mm, 101.6mm, 127.0mm, 152.4mm

Mechanical

Elastic modulus E

141 GPa at 20 °C

Elongation A

34 % at 20 °C

in 2 in.

Hardness, Rockwell B HRB

80 [-] at 20 °C

Poisson's ratio ν

0.29 [-] at 20 °C

Tensile strength Rm

518 MPa at 20 °C

Yield strength YS

276 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

1.9E-6 1/K at 100 °C

Show chart

Melting point Tm

1427 °C

Specific heat capacity cp

502 J/(kg·K) at 20 °C

Thermal conductivity λ

10 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Fe

-

balance

Ni

36 %

Mn

0.35 %

Cr

0.25 %

Si

0.2 %

More

Technological properties

Application areas

Common applications of Free-Cut Invar 36 are: Aircraft controls, electronic devices

This material data has been provided by Ed Fagan.

All metrics apply to room temperature unless otherwise stated. SI units used unless otherwise stated.
Equivalent standards are similar to one or more standards provided by the supplier. Some equivalent standards may be stricter whereas others may be outside the bounds of the original standard.