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X55CrMnNiN20-8


X55CrMnNiN20-8 material is ISO ISO 683-15 (1992) Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines.

Chemical composition of X55CrMnNiN20-8, X55CrMnNiN20-8 mechanical properties, X55CrMnNiN20-8 datasheet, X55CrMnNiN20-8 equivalent grade, Heat treatment and temperature process of X55CrMnNiN20-8.


X55CrMnNiN20-8 property sheet

X55CrMnNiN20-8 Spec.

ISO ISO 683-15 (1992)
Heat-treatable steels, alloy steels and free-cutting steels -- Part 15: Valve steels for internal combustion engines

Chemical Composition of X55CrMnNiN20-8

C: 0.50 0.60
Si: Max 0.25
Mn: 7.00 10.00
P: Max 0.050
S: Max 0.030
Cr: 19.50 21.50
Mo: Max Min
Ni: 1.50 2.75
N: 0.20 0.40

Mechanical Properties of X55CrMnNiN20-8

Rp0.2 (MPa) 934 (≥)
Rm (MPa) 958 (≥)
AKV (J) 21
A (%) 13
Z (%) 22
Hardness HBW 414

X55CrMnNiN20-8 shape and dimensions

X55CrMnNiN20-8 Round bar: 1mm-800mm
X55CrMnNiN20-8 Square bar: 10mm * 10mm-600mm *600mm
X55CrMnNiN20-8 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
X55CrMnNiN20-8 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
X55CrMnNiN20-8 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
X55CrMnNiN20-8 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes