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JIS SK4

SK4


SK4 material is Carbon tool steel.

Chemical composition of SK4, SK4 mechanical properties, SK4 datasheet, SK4 equivalent grade, Heat treatment and temperature process of SK4.


SK4 property sheet

SK4 Spec.

Related Materials

Chemical Composition of SK4

C 0.90-1.00
Si 0.15-0.35
Mn 0.15-0.50
P Max 0.030
S Max 0.030

Mechanical Properties of SK4

Rp0.2 (MPa) 464 (≥)
Rm (MPa) 323 (≥)
AKV (J) 34
A (%) 32
Z (%) 34
Hardness HBW 441

SK4 shape and dimensions

SK4 Round bar: 1mm-800mm
SK4 Square bar: 10mm * 10mm-600mm *600mm
SK4 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SK4 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SK4 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SK4 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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