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JIS SK4M

SK4M


SK4M material is Cold rolled special steel strip.

Chemical composition of SK4M, SK4M mechanical properties, SK4M datasheet, SK4M equivalent grade, Heat treatment and temperature process of SK4M.


SK4M property sheet

SK4M Spec.

Related Materials

Chemical Composition of SK4M

C 0.90-1.00
Si Max 0.35
Mn Max 0.50
P Max 0.030
S Max 0.030
Cr Max 0.30
Ni Max 0.25
Cu Max 0.25

Mechanical Properties of SK4M

Rp0.2 (MPa) 344 (≥)
Rm (MPa) 791 (≥)
AKV (J) 23
A (%) 43
Z (%) 31
Hardness HBW 133

SK4M shape and dimensions

SK4M Round bar: 1mm-800mm
SK4M Square bar: 10mm * 10mm-600mm *600mm
SK4M Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SK4M Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SK4M Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SK4M Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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