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

    DNV&ABS
  • Certified Company

    ISO 9001:2008
  • R&D Production

    In China

STS4


STS4 material is Carbide for cutting tools.

Chemical composition of STS4, STS4 mechanical properties, STS4 datasheet, STS4 equivalent grade, Heat treatment and temperature process of STS4.


STS4 property sheet

STS4 Spec.

Chemical Composition of STS4

C 0.45-0.55
Si ≤0.35
Mn ≤0.50
Cr 0.50-1.00
W 0.50-1.00

Mechanical Properties of STS4

Rp0.2 (MPa) 666 (≥)
Rm (MPa) 975 (≥)
AKV (J) 44
A (%) 42
Z (%) 13
Hardness HBW 142

STS4 shape and dimensions

STS4 Round bar: 1mm-800mm
STS4 Square bar: 10mm * 10mm-600mm *600mm
STS4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
STS4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
STS4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
STS4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes