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B 439 FC-0205-K20


B 439 FC-0205-K20 material is SAE B 439 (2012) Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated) Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated).

Chemical composition of B 439 FC-0205-K20, B 439 FC-0205-K20 mechanical properties, B 439 FC-0205-K20 datasheet, B 439 FC-0205-K20 equivalent grade, Heat treatment and temperature process of B 439 FC-0205-K20.


B 439 FC-0205-K20 property sheet

B 439 FC-0205-K20 Spec.

SAE B 439 (2012)
Standard Specification for Iron-Base Powder Metallurgy (PM) Bearings (Oil Impregnated)

Chemical Composition of B 439 FC-0205-K20

C: Max 0.01
Si: Max 0.05
Mn: Max 1.50
P: Max 0.04
S: Max 0.01
Ni: Max remaining
Cr: 0.50 1.50
Al: 0.10 0.50
Cu: Max 0.50
Ti: Max Min
Fe: 1.00 6.00
Mo: 26.00 30.00
Co: Max 2.50

Mechanical Properties of B 439 FC-0205-K20

Rp0.2 (MPa) 183 (≥)
Rm (MPa) 584 (≥)
AKV (J) 31
A (%) 33
Z (%) 33
Hardness HBW 213

B 439 FC-0205-K20 shape and dimensions

B 439 FC-0205-K20 Round bar: 1mm-800mm
B 439 FC-0205-K20 Square bar: 10mm * 10mm-600mm *600mm
B 439 FC-0205-K20 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
B 439 FC-0205-K20 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
B 439 FC-0205-K20 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
B 439 FC-0205-K20 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes