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R20990


R20990 material is Chromium metal.

Chemical composition of R20990, R20990 mechanical properties, R20990 datasheet, R20990 equivalent grade, Heat treatment and temperature process of R20990.


R20990 property sheet

R20990 Spec.

Chemical Composition of R20990

C: Max 0.12
Si: Max 0.30
Mn: Max 0.80
Cr: Max 19.00
Ni: Max 14.00
Mo: Max Min
Co: Max Min
W: Max Min
Al: Max Min
Cu: Max Min
Ti: Max Min
Fe: Max remaining
Nb: Max 1.60

Mechanical Properties of R20990

Rp0.2 (MPa) 217 (≥)
Rm (MPa) 869 (≥)
AKV (J) 31
A (%) 42
Z (%) 32
Hardness HBW 431

R20990 shape and dimensions

R20990 Round bar: 1mm-800mm
R20990 Square bar: 10mm * 10mm-600mm *600mm
R20990 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
R20990 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
R20990 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
R20990 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes