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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

7Χ3


7Χ3 material is Carbide for cutting tools.

Chemical composition of 7Χ3, 7Χ3 mechanical properties, 7Χ3 datasheet, 7Χ3 equivalent grade, Heat treatment and temperature process of 7Χ3.


7Χ3 property sheet

7Χ3 Spec.

Related Materials

Chemical Composition of 7Χ3

C 0.65-0.75
Si 0.15-0.35
Mn 0.15-0.40
P ≤0.030
S ≤0.030
Cr 3.20-3.80
Ni ≤0.35
Mo ≤0.20
V ≤0.15
W ≤0.20
Cu ≤0.30
Ti ≤0.03

Mechanical Properties of 7Χ3

Rp0.2 (MPa) 345 (≥)
Rm (MPa) 818 (≥)
AKV (J) 32
A (%) 14
Z (%) 43
Hardness HBW 211

7Χ3 shape and dimensions

7Χ3 Round bar: 1mm-800mm
7Χ3 Square bar: 10mm * 10mm-600mm *600mm
7Χ3 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
7Χ3 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
7Χ3 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
7Χ3 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes