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GOST 55X20H4AΓ9M

55X20H4AΓ9M


55X20H4AΓ9M material is Russia GOCT standard stainless steel and heat resistant steel steel grade and chemical composition.

Chemical composition of 55X20H4AΓ9M, 55X20H4AΓ9M mechanical properties, 55X20H4AΓ9M datasheet, 55X20H4AΓ9M equivalent grade, Heat treatment and temperature process of 55X20H4AΓ9M.


55X20H4AΓ9M property sheet

55X20H4AΓ9M Spec.

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55X20H4AΓ9M

Chemical Composition of 55X20H4AΓ9M

C: 0.50 0.60
Si: Max 0.45
Mn: 8.00 10.00
P: Max 0.040
S: Max 0.030
Cr: 20.00 22.00
Ni: 3.50 4.50
Mo: Max Min
N: 0.30 0.60

Mechanical Properties of 55X20H4AΓ9M

Rp0.2 (MPa) 448 (≥)
Rm (MPa) 797 (≥)
AKV (J) 21
A (%) 31
Z (%) 44
Hardness HBW 412

55X20H4AΓ9M shape and dimensions

55X20H4AΓ9M Round bar: 1mm-800mm
55X20H4AΓ9M Square bar: 10mm * 10mm-600mm *600mm
55X20H4AΓ9M Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
55X20H4AΓ9M Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
55X20H4AΓ9M Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
55X20H4AΓ9M Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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