EFI Alloy 50 Round Bar, Square Bar and Wire Rod

efi alloy 50 round bar rod soft magnetic alloyEFI Alloy 50 standard grade includes round bar, rod, square bar and wire rod. These products are found in a variety of applications: motors, sensors, high frequency scanners, oscillators, chokes, LF power transducers, solenoids and gyroscopes.

Finished parts must be specially annealed to optimize properties. A suggested heat treatment can be found on the heat treating page (link) for this alloy.

EFI Alloy 50 is produced by the leading specialty metal manufacturers. They are known by the following trade names:

  • Magnifer® 50
  • High Permeability 49®
  • 4750
  • Permenorm® 5000
  • Superanhyster 50
  • 49 Alloy

EFI Alloy 50 bar is available from stock in a free machining grade, we call High Perm 49® FM. We stock this in square bars.

If you do not see the size or form of EFI Alloy 50 that you require, please call one of our materials experts.  The Ed Fagan Inc. sales team are skilled professionals in special purpose metals and specialty alloys and are waiting to assist you.

EFI Alloy 50 Wire Rod

Ed Fagan Inc. stocks EFI 50 wire rod.  We use this stock to manufacturer sizes to your requirements lighter than 3/16″.  EFI stock wire rod products are supplied in the as drawn temper and ground.  We can also custom manufacturer our rod to your surface, temper, condition, length and tolerances.

EFI Alloy 50 Round Bar

Round bar products are stress relief annealed.

EFI Alloy 50 Round Bar | Rod DiameterSKU NumberEFI Alloy 50 Round Bar | Rod DiameterSKU Number
0.250” EFI Alloy 50 Round Bar | RodEFI50-RD-2501.062”EFI Alloy 50 Round Bar | RodEFI50-RD-1.062
0.375” EFI Alloy 50 Round Bar | RodEFI50-RD-3751.250”EFI Alloy 50 Round Bar | RodEFI50-RD-1.250
0.412”EFI Alloy 50 Round Bar | RodEFI50-RD-4121.375” EFI Alloy 50 Round Bar | RodEFI50-RD-1.375
0.500” EFI Alloy 50 Round Bar | RodEFI50-RD-5001.4375”EFI Alloy 50 Round Bar | RodEFI50-RD-1.4375
0.625” EFI Alloy 50 Round Bar | RodEFI50-RD-6251.500” EFI Alloy 50 Round Bar | RodEFI50-RD-1.500
0.750” EFI Alloy 50 Round Bar | RodEFI50-RD-7501.750” EFI Alloy 50 Round Bar | RodEFI50-RD-1.750
1.000” EFI Alloy 50 Round Bar | RodEFI50-RD-1.0002.000” EFI Alloy 50 Round Bar | RodEFI50-RD-2.000

EFI Alloy 50 Square Bar

EFI Alloy 50 Square BarSKU NumberEFI Alloy 50 Square BarSKU Number
1.003" EFI Alloy 50 Square Bar EFI50-RECT-1.0032.030" EFI Alloy 50 Square Bar
EFI50-RECT-2.030

High Perm 49 Free Machining Square Bar

Ed Fagan Inc. stocks High Perm 49 Free Machining square bar from Carpenter Technology Corp.  Selenium is added to the alloy to increase machinability.  The addition of this element influences the permeability.

High Perm 49 Square Bar -- Free Machining  
High Perm 49 Square Bar WidthSKU NumberHigh Perm 49 Square Bar WidthSKU Number
1.781” High Perm 49 Square BarHP49FM-RECT-1.7812.031” High Perm 49 Square BarHP49FM-RECT-2.031
1.844” High Perm 49 Square BarHP49FM-RECT-1.8442.440” High Perm 49 Square BarHP49FM-RECT-2.440

For a EFI Alloy 50 data sheet, or any other Soft Magnetic Alloy data sheets, please go to our Alloys and Metals Literature Library section.