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R-2020

Typical Applications:

Low nickel-iron with good combination of strength and ductility. Nickel addition aids in case hardening. Frequently used in gears, cams, and small appliance parts. Most common alloy used in firearms parts. Equivalent to MPIF FN-0200-25.

Typical Mechanical Properties*             English Metric  Sintered Density   7.2 g/cm3   7.6 x 103 kg/m3  Ultimate Tensile Strength 47,000 psi 320 MPa  Yield Strength 31,000 psi 210 MPa  Unnoched Charpy Impact Strength   17 ft-lb   23 Joules  Elongation 14% 14%  Apparent Hardness 49 HRC 49 HRC

R-2027

Typical Applications:

Low nickel steel with high strength and tough core in heat treated parts. Heat treated from 110,000 psi (760 MPa) to 160,000 psi (1100 MPa) and 40-45 HRC. Equivalent to FN-0205-35.

Typical Mechanical Properties*
		English		Metric
Sintered Density		7.2 g/cm3		7.2 x 103 kg/m3
Ultimate Tensile Strength		81,000 psi		560 MPa
Yield Strength		53,000 psi		370 MPa
Unnoched Charpy Impact Strength		n/a		n/a
Elongation		4%		4%
Apparent Hardness		86 HRC		86 HRC

*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.