High quality special steel supplier.Old rev.
  • Certified Company

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

CNS 420F


CNS 420F material is CNS standard martensite stainless steel.

Chemical composition of CNS 420F, CNS 420F mechanical properties, CNS 420F datasheet, CNS 420F equivalent grade, Heat treatment and temperature process of CNS 420F.


CNS 420F property sheet

CNS 420F Spec.

Chemical Composition of CNS 420F

C 0.26-0.40
Si Max 1.00
Mn Max 1.25
P Max 0.060
S Min 0.15
Cr 12.00-14.00
Ni Max 0.60
Mo Max 0.60

Mechanical Properties of CNS 420F

Rp0.2 (MPa) 751 (≥)
Rm (MPa) 774 (≥)
AKV (J) 44
A (%) 32
Z (%) 11
Hardness HBW 412

CNS 420F shape and dimensions

CNS 420F Round bar: 1mm-800mm
CNS 420F Square bar: 10mm * 10mm-600mm *600mm
CNS 420F Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
CNS 420F Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
CNS 420F Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
CNS 420F Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes