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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

Ashby charts

See where Invar® 36 Free-Machined Round Bar falls on the material property chart for Density against Elastic modulus in your materials selection and design process. Our Ashby charts are interactive with more technical data upon clicking. Sign up to get access to this premium feature for free.

Properties

General

Density

ρ

8.05 g/cm³ at 20 °C

Dimension

Diameter

d

4.8 - 152.4 mm

Dimensions

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

Length

l

3050 - 3660 mm

Mill random length

Mechanical

Elastic modulus

E

141 GPa at 20 °C

Show Iron Alloy materials with Elastic modulus of 141 GPa at 20 °C

Elongation

A

34 % at 20 °C

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in 2 in.

Hardness, Rockwell B

HRB

80 [-] at 20 °C

Show Iron Alloy materials with Hardness, Rockwell B of 80 [-] at 20 °C

Poisson's ratio

ν

0.29 [-] at 20 °C

Show Iron Alloy materials with Poisson's ratio of 0.29 [-] at 20 °C

Tensile strength

Rm

518 MPa at 20 °C

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Yield strength

YS

276 MPa at 20 °C

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Thermal

Coefficient of thermal expansion

α

1.9E-6 1/K at 100 °C

from 20°C to the mentioned temperature

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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

Electrical

Electrical resistivity

ρel

4.95E-6 Ω·m at 20 °C

Magnetic

Curie temperature

Tc

279 °C

Chemical properties

Element

Weight %

Comment

Fe

-

Balance

Ni

36 %

Co

0.5 %

Si

0.4 %

Cr

0.25 %

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Technological properties

Application areas

Positioning devices • Bimetal thermostats • Advanced composite molds for aerospace industry • Dimensionally stable instruments and optical devices • Containers for LNG tankers • Transfer lines for LNG • Echo boxes and filters for mobile telephones • Magnetic shielding • Small electrical transformers • Metrology devices • Scientific instruments • Electrical circuit breakers • Temperature regulators • Clock balance wheels • Pendulum clocks • Precision condenser blades • Radar and microwave cavity resonators • Special electronic housings • Seals, spacers, and specialized frames • High voltage transmission lines • CRT applications: shadow masks, deflection clips, and electron gun components.

This material data has been provided by Matmatch.

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.