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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

SKH4


SKH4 material is Tungsten series high speed tool steel.

Chemical composition of SKH4, SKH4 mechanical properties, SKH4 datasheet, SKH4 equivalent grade, Heat treatment and temperature process of SKH4.


SKH4 property sheet

SKH4 Spec.

Related Materials

Chemical Composition of SKH4

C 0.73-0.83
Si Max 0.45
Mn Max 0.40
Cr 3.80-4.50
V 1.00-1.50
W 17.00-19.00
Co 9.00-11.00

Mechanical Properties of SKH4

Rp0.2 (MPa) 468 (≥)
Rm (MPa) 936 (≥)
AKV (J) 22
A (%) 31
Z (%) 43
Hardness HBW 212

SKH4 shape and dimensions

SKH4 Round bar: 1mm-800mm
SKH4 Square bar: 10mm * 10mm-600mm *600mm
SKH4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SKH4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SKH4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SKH4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes