This website uses cookies to improve service quality. You will find more information about cookies on the privacy policy page.

EFI Alloy 50 Round Bar

Alternative and trade names
Magnifer 50®, Carpenter High Permeability 49®, Alloy 47-50
.XLSX
.PDF
Save

Description

A soft magnetic alloy, consisting of 48% nickel, balance iron used where high initial permeability, maximum permeability, and low core loss is needed.

Related Standards

Equivalent Materials

Properties

Dimension

Diameter d

3.2 - 101.6 mm

Length l

3050 - 3660 mm

Mill random length

Electrical

Electrical resistivity ρel

4.9E-7 Ω·m at 20 °C

General

Density ρ

8.18 g/cm³ at 20 °C

Magnetic

Coercive force Hc

4.77 A/m at 20 °C

Curie temperature Tc

450 °C at 20 °C

Relative magnetic permeability μrel

100000 [-] at 20 °C

Saturation induction Bs

1.5 T at 20 °C

Material Information

Dimension

Available diameters: 3.2mm, 3.6mm, 4.8mm, 6.4mm, 9.5mm, 10.5mm, 12.7mm, 15.9mm, 19.1mm, 20.6mm, 22.2mm, 25.4mm, 28.6mm, 38.1mm, 41.3mm, 44.5mm, 50.8mm, 63.5mm, 76.2mm, 101.6mm

Mechanical

Elastic modulus E

166 GPa at 20 °C

Elongation A

40 % at 20 °C

in 2 in.

Hardness, Rockwell B HRB

80 [-] at 20 °C

Tensile strength Rm

518 MPa at 20 °C

Yield strength YS

159 MPa at 20 °C

Thermal

Coefficient of thermal expansion α

9E-6 1/K at 450 °C

Melting point Tm

1427 °C

Specific heat capacity cp

502 J/(kg·K) at 20 °C

Thermal conductivity λ

13 W/(m·K) at 20 °C

Chemical properties

Element

Weight %

Comment

Fe

-

balance

Re

-

rhenium

Ni

48 %

Mn

0.5 %

Si

0.35 %

More

Technological properties

Application areas

Common applications of EFI ALLOY 50 are: LF power transducers, stepping motors, magnetic shielding, solenoid cores, relay parts, magnetic valves

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.