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KS STF8

STF8


STF8 material is Carbide for cutting tools.

Chemical composition of STF8, STF8 mechanical properties, STF8 datasheet, STF8 equivalent grade, Heat treatment and temperature process of STF8.


STF8 property sheet

STF8 Spec.

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Chemical Composition of STF8

C 0.35-0.45
Si ≤0.50
Mn ≤0.60
Cr 4.00-4.70
Mo 0.30-0.50
V 3.80-4.50
W 3.80-4.50
Co 3.80-4.50

Mechanical Properties of STF8

Rp0.2 (MPa) 755 (≥)
Rm (MPa) 444 (≥)
AKV (J) 44
A (%) 31
Z (%) 14
Hardness HBW 241

STF8 shape and dimensions

STF8 Round bar: 1mm-800mm
STF8 Square bar: 10mm * 10mm-600mm *600mm
STF8 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STF8 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STF8 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STF8 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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