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JIS SK90

SK90


SK90 material is Carbon tool steel.

Chemical composition of SK90, SK90 mechanical properties, SK90 datasheet, SK90 equivalent grade, Heat treatment and temperature process of SK90.


SK90 property sheet

SK90 Spec.

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Chemical Composition of SK90

C 0.85-0.95
Si 0.15-0.35
Mn 0.15-0.50
P Max 0.030
S Max 0.030

Mechanical Properties of SK90

Rp0.2 (MPa) 873 (≥)
Rm (MPa) 547 (≥)
AKV (J) 33
A (%) 23
Z (%) 13
Hardness HBW 432

SK90 shape and dimensions

SK90 Round bar: 1mm-800mm
SK90 Square bar: 10mm * 10mm-600mm *600mm
SK90 Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
SK90 Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
SK90 Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
SK90 Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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