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GBT 55Si2Mn

55Si2Mn


55Si2Mn material is China structural steel and alloy steel.

Chemical composition of 55Si2Mn, 55Si2Mn mechanical properties, 55Si2Mn datasheet, 55Si2Mn equivalent grade, Heat treatment and temperature process of 55Si2Mn.


55Si2Mn property sheet

55Si2Mn Spec.

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Chemical Composition of 55Si2Mn

C 0.52-0.60
Si 1.50-2.00
Mn 0.60-0.90
P 0.035
S 0.035
Cr Max 0.35
Ni Max 0.35

Mechanical Properties of 55Si2Mn

Rp0.2 (MPa) 749 (≥)
Rm (MPa) 822 (≥)
AKV (J) 34
A (%) 22
Z (%) 14
Hardness HBW 244

55Si2Mn shape and dimensions

55Si2Mn Round bar: 1mm-800mm
55Si2Mn Square bar: 10mm * 10mm-600mm *600mm
55Si2Mn Flat bar: Thickness:8mm-800mm Width:10mm to 1500mm
55Si2Mn Sheet or Plate: Thickness:3mm-80mm Width:1.5mm to 1500mm
55Si2Mn Strip or Coil: Thickness:0.1mm-3mm Width:1.5mm-1500mm
55Si2Mn Forgings: Shafts with flanks/pipes/tubes/slugs/donuts/cubes/other shapes

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