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Magnetic Materials:
  • Neodymium - Rare Earth
  • #73 Alloy - 3.5% Cr
  • #83 Alloy - 3% Co
  • #81 Alloy - 17% Co
  • #3500 Alloy - 37% Co
  • Ceramic Magnets
  • ALNICO 5
  • Other Magnets
UNDER CONSTRUCTION
LINKS TO THE PAGES FOR THE  MAGNETIC MATERIALS  ARE UNDER CONSTRUCTION

    #73 Alloy (also known as 3.5% Cr Alloy, Simonds #73, and Guterl #73 Chrome Magnet Steel ) - available in various diameters.

     Hot rolled, annealed, & straightened.

     Centerless grinding and Machining to size available.

Nominal Chemistry:

C
Si
Mn
Co
Cr
Fe
1.00
0.30
0.30
0.30 Max.
3.50
Balance


Average Magnetic Values, Physical Properties, & Optimum Heat Treatment:

Residual Flux Density (Gauss)
10300 Br
Coercive Force Oersteds
60 Hc
Maximum Energy Product (X 10-6)
0.302 BH Max.
Rockwell C Hardness (Annealed)
15-25
Rockwell C Hardness (Hardened)
60-65
Hardening Temperature
1560 ° F
Time at Temperature
5-15 minutes
Quench Type
Oil
Stabilizing Temper
Optional


Graph Links:

#73 Cr Alloy Demagnetization Curve

#73 Cr Alloy Tempering Curve

#73 Cr Alloy Hysteresis Energy Loss Vs. Magnetizing Force

#73 Cr Alloy Hysteresis Energy Loss Vs. Maximum Flux Density

#73 Cr Alloy Typical Hysteresis Loops Drawn with Various Magnetizing Forces



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FAX                   716-625-4478

Postal address Check Mark World Wide, Inc. 6255 Campbell Blvd.
          Lockport, NY  14094   USA

Electronic mail General Information: Magnets@checkmarkww.com
Sales: Mark@checkmarkww.com


 
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Email: Mark@checkmarkww.com
Phone: 716-625-8777