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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

X8Ni9


X8Ni9 material is AFNOR NF EN 10028-4 Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties AFNOR NF EN 10222-3 Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties AFNOR NF EN 10269 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties.

Chemical composition of X8Ni9, X8Ni9 mechanical properties, X8Ni9 datasheet, X8Ni9 equivalent grade, Heat treatment and temperature process of X8Ni9.


X8Ni9 property sheet

X8Ni9 Spec.

AFNOR NF EN 10028-4
Flat products made of steels for pressure purposes - Part 4: Nickel alloy steels with specified low temperature properties
AFNOR NF EN 10222-3
Steel forgings for pressure purposes - Part 3: Nickel steels with specified low temperature properties
AFNOR NF EN 10269
Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties

Related Materials

X8Ni9
1.5662

Chemical Composition of X8Ni9

C: Max 0.10
Si: Max 0.35
Mn: 0.30 0.80
P: Max 0.020
S: Max 0.010
Cr: Max Min
Ni: 8.50 10.00
Mo: Max 0.10
V: Max 0.05

Mechanical Properties of X8Ni9

Rp0.2 (MPa) 312 (≥)
Rm (MPa) 516 (≥)
AKV (J) 43
A (%) 14
Z (%) 11
Hardness HBW 133

X8Ni9 shape and dimensions

X8Ni9 Round bar: 1mm-800mm
X8Ni9 Square bar: 10mm * 10mm-600mm *600mm
X8Ni9 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
X8Ni9 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
X8Ni9 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
X8Ni9 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes