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GBT 8Cr20Si2Ni

8Cr20Si2Ni


8Cr20Si2Ni material is Chinese GB standard of internal combustion engine valve steel bar (GB/T 12773-1991).

Chemical composition of 8Cr20Si2Ni, 8Cr20Si2Ni mechanical properties, 8Cr20Si2Ni datasheet, 8Cr20Si2Ni equivalent grade, Heat treatment and temperature process of 8Cr20Si2Ni.


8Cr20Si2Ni property sheet

8Cr20Si2Ni Spec.

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8Cr20Si2Ni

Chemical Composition of 8Cr20Si2Ni

C 0.75-0.85
Si 1.75-2.25
Mn 0.20-0.60
P 0.03
S 0.03
Cr 19.0-20.5
Ni 1.15-1.65

Mechanical Properties of 8Cr20Si2Ni

Rp0.2 (MPa) 865 (≥)
Rm (MPa) 595 (≥)
AKV (J) 42
A (%) 24
Z (%) 23
Hardness HBW 431

8Cr20Si2Ni shape and dimensions

8Cr20Si2Ni Round bar: 1mm-800mm
8Cr20Si2Ni Square bar: 10mm * 10mm-600mm *600mm
8Cr20Si2Ni Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
8Cr20Si2Ni Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
8Cr20Si2Ni Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
8Cr20Si2Ni Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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