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Iron and Ferrous Alloys

Mechanical properties listed were obtained on flat tensile specimens. They are considered typical, and are for information only. Properties may vary somewhat on actual parts, depending on size, shape, and processing variables.

 
FE

Typical Applications:
  Soft magnetic material used in applications requiring high magnetic output at lowest cost such as for cores and solenoids. Also used in low to moderately stressed components such as firearms sights.
 

Typical Mechanical Properties

         
  English  Metric
 Sintered Density   7.5 g/cm3   7.5 x 103 kg/m3
 Ultimate Tensile Strength   55,000 psi
  380 MPa
 Yield Strength   30,000 psi
  210 MPa
 Elongation   25%
  25%
 Apparent Hardness   55 HRC   55 HRC

 

FE-2% Ni

Typical Applications:
  Conforms to MPIF MIM-2200 (formerily MIM-4600). Readily case hardened to 50-60 HRC equivalent hardness. Used for components in firearms, automotive transmissions and steering columns, and computers. MPIF MIM-4650 material is also available.

Typical Mechanical Properties

         
  English  Metric
 Sintered Density   7.6 g/cm3   7.6 x 103 kg/m3
 Ultimate Tensile Strength   48,000 psi
  330 MPa
 Yield Strength   26,000 psi
  180 MPa
 Elongation   31%
  31%
 Apparent Hardness   44 HRC   44 HRC


FE-50% Ni

Typical Applications:
  Soft magnetic material used for applications requiring high permeability and rapid magnetic response such as valve actuators, torque motors and relays.

Typical Mechanical Properties

         
  English  Metric
 Sintered Density   7.7 g/cm3   7.7 x 103 kg/m3
 Ultimate Tensile Strength   60,000 psi
  410 MPa
 Yield Strength   24,000 psi
  170 MPa
 Elongation   20%
  20%
 Apparent Hardness   55 HRC   55 HRC

 

FE-3% Si

Typical Applications:  Soft magnetic material used in applications requiring high magnetic output with low core losses such as for cores, solenoids, armatures, and stators. Also may be used as a structural material due to outstanding combination of strength and ductility.

Typical Mechanical Properties

         
  English  Metric
 Sintered Density   7.6 g/cm3   7.6 x 103 kg/m3
 Ultimate Tensile Strength   75,000 psi
  520 MPa
 Yield Strength   50,000 psi
  350 MPa
 Elongation   25%
  25%
 Apparent Hardness   85 HRC   85 HRC

 

FE-8% Ni

Typical Applications:  Conforms to MPIF MIM-2700. Readily case hardened to 50-60 HRC equivalent hardness. Used for components in firearms, automotive transmissions and steering cloumns, and computers.

Typical Mechanical Properties

         
  English  Metric
 Sintered Density   7.5 g/cm3   7.5 x 103 kg/m3
 Ultimate Tensile Strength   97,000 psi
  670 MPa
 Yield Strength   74,000 psi
  510 MPa
 Elongation   8%
  8%
 Apparent Hardness   84 HRC   84 HRC


FE-5% Mo

Typical Applications:
  Soft magnetic material used for DC applications requiring a combination of high magnetic output and very good mechanical properties.

Typical Mechanical Properties

         
  English  Metric
Sintered Density   7.8 g/cm3   7.8 x 103 kg/m3
Ultimate Tensile Strength   59,000 psi
  410 MPa
Yield Strength   31,000 psi
  210 MPa
Elongation   34%
  34%
Apparent Hardness   66 HRC   66 HRC


4140 Steel

Typical Applications:
  Used for applications requiring a combination of high strength and good ductility, such as for firearms and hand tools.

Typical Mechanical Properties

         
  English  Metric
 Sintered Density   7.5 g/cm3   7.5 x 103 kg/m3
 Ultimate Tensile Strength   240,000 psi
  1650 MPa
 Yield Strength   210,000 psi
  1450 MPa
 Elongation   3%
  3%
 Apparent Hardness   50 HRC   50 HRC